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Computer Networks

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Learning Guide

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This learning guide supports the Wikiversity course Computer Networks, available at http://en.wikiversity.org/wiki/Network%2B.

Overview

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Network+/Collection/Sidebar Network+ is a CompTIA computer networking certification that includes computer network concepts, installation and configuration, media and topologies, management, and security.

This resource features a combination of Wikipedia readings, YouTube videos, and hands-on learning activities as a study guide to prepare for CompTIA Network+ Certification.

This entire Wikiversity course can be downloaded as a PDF by selecting Download Learning Guide in the sidebar (which will preserve hyperlinks.)

Preparation

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Learners would be best served by first approaching introductory computer and computer support concepts.

Objectives

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See list of all objectives 0% developed. For each domain:

Wikiversity Development Stages
Sparse resource 0% Developing resource 25% Maturing resource 50% Developed resource 75% Comprehensive resource 100%
  1. Networking Concepts 0% developed
  2. Network Implementation 0% developed
  3. Network Operations 0% developed
  4. Network Security 0% developed
  5. Network Troubleshooting 0% developed

Also see list of acronyms 0% developed and technologies 0% developed.

Test Details

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Exam description:

The CompTIA Network+ certification verifies that the successful candidate has the knowledge and skills required to:

  • Establish network connectivity by deploying wired and wireless devices.
  • Understand and maintain network documentation.
  • Understand the purpose of network services.
  • Understand basic datacenter, cloud and virtual networking concepts.
  • Monitor network activity, identifying performance and availability issues.
  • Implement network hardening techniques.
  • Manage, configure, and troubleshoot network infrastructure.

Number of questions: Maximum of 90

Length of test: 90 minutes

Passing score: 720 (on 100-900 scale)

Recommended experience:

CompTIA A+ certification and a minimum of 9-12 months of hands-on experience working in a junior network administrator/network support technician job role.

Exam code: N10-009

Languages: English, Japanese, German, Spanish, (Portuguese to follow)

See Also

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CompTIA

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Wikibooks has a book on the topic of Network Plus Certification.
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References

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Architecture

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Network+/Collection/Sidebar This section of the computer networks course covers devices, remote access, services, WAN technologies, media, topologies, infrastructure, addressing, routing, unified communications, virtualization and cloud, and implementation.

Preparation

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Learners should already be familiar with network fundamentals.

Lessons

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See Also

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References

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Network+
Download Learning Guide

This lesson covers network devices.

Objectives and Skills

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Objectives and skills for the devices portion of Network+ certification include:[1]

  • Explain the functions and applications of various network devices
    • Router
    • Switch
    • Multilayer switch
    • Firewall
    • HIDS
    • IDS/IPS
    • Access point (wireless/wired)
    • Content filter
    • Load balancer
    • Hub
    • Analog modem
    • Packet shaper
    • VPN concentrator

Readings

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  1. Read Wikipedia: Networking hardware.

Multimedia

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  1. Watch YouTube: Common Network Devices - CompTIA Network+ N10-006 - 1.1.
  2. Watch YouTube: Intrusion Detection and Prevention Systems - CompTIA Network+ N10-006 - 1.1.
  3. Watch YouTube: Content Filters - CompTIA Network+ N10-006 - 1.1.
  4. Watch YouTube: Load Balancers - CompTIA Network+ N10-006 - 1.1.
  5. Watch YouTube: Packet Shapers - CompTIA Network+ N10-006 - 1.1.
  6. Watch YouTube: VPN Concentrators - CompTIA Network+ N10-006 - 1.1.

Activities

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References

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  1. ↑ CompTIA: Network+ Certification Exam Objectives - Exam N10-006
Network+
Download Learning Guide

This lesson covers remote access.

Objectives and Skills

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Objectives and skills for the remote access portion of Network+ certification include:[1]

  • Compare and contrast the use of networking services and applications
    • VPN
      • Site to site/host to site/host to host
      • Protocols
        • IPsec
        • GRE
        • SSL VPN
        • PTP/PPTP
    • TACACS/RADIUS
    • RAS
    • Web services
    • Unified voice services
    • Network controllers

Readings

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  1. Read Wikipedia: Virtual private network.
  2. Read Wikipedia: TACACS.
  3. Read Wikipedia: RADIUS.
  4. Read Wikipedia: Web service.
  5. Read Wikipedia: Unified communications.
  6. Read Wikipedia: Wireless LAN controller.

Multimedia

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  1. Watch YouTube: VPN Connections - CompTIA Network+ N10-006 - 1.2.
  2. Watch YouTube: VPN Protocols - CompTIA Network+ N10-006 - 1.2.
  3. Watch YouTube: TACACS and RADIUS - CompTIA Network+ N10-006 - 1.2.
  4. Watch YouTube: Remote Access Services - CompTIA Network+ N10-006 - 1.2.
  5. Watch YouTube: Web Services - CompTIA Network+ N10-006 - 1.2.
  6. Watch YouTube: Unified Voice Services - CompTIA Network+ N10-006 - 1.2.
  7. Watch YouTube: Wireless LAN Controllers - CompTIA Network+ N10-006 - 1.2.

Activities

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References

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  1. ↑ CompTIA: Network+ Certification Exam Objectives - Exam N10-006
Network+
Download Learning Guide

This lesson introduces network services.

Objectives and Skills

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Objectives and skills for the network services portion of Network+ certification include:[1]

  • Install and configure the following networking services/applications
    • DHCP
      • Static vs dynamic IP addressing
      • Reservations
      • Scopes
      • Leases
      • Options (DNS servers, suffixes)
      • IP helper/DHCP relay
    • DNS
      • DNS servers
      • DNS records (A, MX, AAAA, CNAME, PTR)
      • Dynamic DNS
    • Proxy/Reverse Proxy
    • NAT
      • PAT
      • SNAT
      • DNAT
    • Port forwarding

Readings

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  1. Read Wikipedia: Dynamic Host Configuration Protocol.
  2. Read Wikipedia: Domain Name System.
  3. Read Wikipedia: Proxy server.
  4. Read Wikipedia: Network address translation.
  5. Read Wikipedia: Port forwarding.

Multimedia

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  1. Watch YouTube: DHCP Addressing Overview - CompTIA Network+ N10-006 - 1.3.
  2. Watch YouTube: DHCP Reservations - CompTIA Network+ N10-006 - 1.3.
  3. Watch YouTube: DHCP Scopes - CompTIA Network+ N10-006 - 1.3.
  4. Watch YouTube: DHCP Leases - CompTIA Network+ N10-006 - 1.3.
  5. Watch YouTube: DHCP Options - CompTIA Network+ N10-006 - 1.3.
  6. Watch YouTube: An Overview of DNS - CompTIA Network+ N10-006 - 1.3.
  7. Watch YouTube: DNS Records - CompTIA Network+ N10-006 - 1.3.
  8. Watch YouTube: Dynamic DNS - CompTIA Network+ N10-006 - 1.3.
  9. Watch YouTube: Proxy Servers - CompTIA Network+ N10-006 - 1.3.
  10. Watch YouTube: Understanding Network Address Translation - CompTIA Network+ N10-006 - 1.3.

Activities

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References

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  1. ↑ CompTIA: Network+ Certification Exam Objectives - Exam N10-006
Network+
Download Learning Guide

This lesson covers Wide Area Network (WAN) technologies.

Objectives and Skills

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Objectives and skills for the WAN technologies portion of Network+ certification include:[1]

  • Explain the characteristics and benefits of various WAN technologies
    • Fiber
      • SONET
      • DWDM
      • CWDM
    • Frame relay
    • Satellite
    • Broadband cable
    • DSL/ADSL
    • ISDN
    • ATM
    • PPP/Multilink PPP
    • MPLS
    • GSM/CDMA
      • LTE/4G
      • HSPA+
      • 3G
      • Edge
    • Dialup
    • WiMAX
    • Metro-Ethernet
    • Leased lines
      • T-1
      • T-3
      • E-1
      • E-3
      • OC3
      • OC12
    • Circuit switch vs packet switch

Readings

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  1. Read Wikipedia: Wide area network.

Multimedia

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  1. Watch YouTube: SONET, DWDM, and CWDM - CompTIA Network+ N10-006 - 1.4.
  2. Watch YouTube: ATM, Frame Relay, and MPLS - CompTIA Network+ N10-006 - 1.4.
  3. Watch YouTube: Satellite, ISDN, Cable, DSL, and dialup networks - CompTIA Network+ N10-006 - 1.4.
  4. Watch YouTube: PPP and Multilink PPP - CompTIA Network+ N10-006 - 1.4.
  5. Watch YouTube: GSM, CDMA, and WiMAX - CompTIA Network+ N10-006 - 1.4.
  6. Watch YouTube: Leased Lines and Metro Ethernet - CompTIA Network+ N10-006 - 1.4.
  7. Watch YouTube: Circuit Switching and Packet Switching - CompTIA Network+ N10-006 - 1.4.

Activities

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References

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  1. ↑ CompTIA: Network+ Certification Exam Objectives - Exam N10-006
Network+
Download Learning Guide

This lesson covers media (cabling and connectors)

Objectives and Skills

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Objectives and skills for the media portion of Network+ certification include:[1]

  • Install and properly terminate various cable types and connectors using appropriate tools
    • Copper connectors
      • RJ-11
      • RJ-45
      • RJ-48C
      • DB-9/RS-232
      • DB-25
      • UTP coupler
      • BNC coupler
      • BNC
      • F-connector
      • 110 block
      • 66 block
    • Copper cables
      • Shielded vs unshielded
      • CAT3, CAT5, CAT5e, CAT6, CAT6a
      • PVC vs plenum
      • RG-59
      • RG-6
      • Straight-through vs crossover vs rollover
    • Fiber connectors
      • ST
      • SC
      • LC
      • MTRJ
      • FC
      • Fiber coupler
    • Fiber cables
      • Single mode
      • Multimode
      • APC vs UPC
    • Media converters
      • Single mode fiber to Ethernet
      • Multimode fiber to Ethernet
      • Fiber to coaxial
      • Single mode to multimode fiber
    • Tools
      • Cable crimpers
      • Punch down tool
      • Wire strippers
      • Snips
      • OTDR
      • Cable certifier

Readings

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  1. Read Introduction.
  2. Read Wikipedia: Registered jack.
  3. Read Wikipedia: BNC connector.
  4. Read Wikipedia: F connector.
  5. Read Wikipedia: D-subminiature.
  6. Read Wikipedia: Patch panel.
  7. Read Wikipedia: 110 block.
  8. Read Wikipedia: Optical fiber connector.
  9. Read Wikipedia: Networking cables.
  10. Read Wikipedia: Twisted pair.
  11. Read Wikipedia: Coaxial cable.
  12. Read Wikipedia: Optical fiber cable.
  13. Read Wikipedia: Plenum cable.
  14. Read Wikipedia: Fiber media converter.
  15. Read Wikipedia: Broadband over power lines.
  16. Read Wikipedia: Crimp connection.
  17. Read Wikipedia: Punch down tool.
  18. Read Wikipedia: Wire stripper.
  19. Read Wikipedia: Optical time-domain reflectometer.
  20. Read Wikipedia: Cable tester.

Multimedia

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  1. Watch YouTube: Copper Connectors- CompTIA Network+ N10-006 - 1.5.
  2. Watch YouTube: Copper Cabling - CompTIA Network+ N10-006 - 1.5.
  3. Watch YouTube: Straight-Through, Crossover, and Rollover Cables - CompTIA Network+ N10-006 - 1.5.
  4. Watch YouTube: Fiber Connectors - CompTIA Network+ N10-006 - 1.5.
  5. Watch YouTube: Fiber Cables - CompTIA Network+ N10-006 - 1.5.
  6. Watch YouTube: Media Converters - CompTIA Network+ N10-006 - 1.5.
  7. Watch YouTube: Network Cabling Tools - CompTIA Network+ N10-006 - 1.5.

Activities

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References

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  1. ↑ CompTIA: Network+ Certification Exam Objectives - Exam N10-006
Network+
Download Learning Guide

This lesson covers topologies.

Objectives and Skills

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Objectives and skills for the topologies portion of Network+ certification include:[1]

  • Differentiate between common network topologies
    • Mesh
      • Partial
      • Full
    • Bus
    • Ring
    • Star
    • Hybrid
    • Point-to-point
    • Point-to-multipoint
    • Client-server
    • Peer-to-peer

Readings

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  1. Read Wikipedia: Network topology.
  2. Read Wikipedia: Client–server model.
  3. Read Wikipedia: Peer-to-peer.

Multimedia

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  1. Watch YouTube: Common Network Topologies - CompTIA Network+ N10-006 - 1.6.

Activities

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References

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  1. ↑ CompTIA: Network+ Certification Exam Objectives - Exam N10-006
Network+
Download Learning Guide

This lesson covers network infrastructure.

Objectives and Skills

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Objectives and skills for the infrastructure portion of Network+ certification include:[1]

  • Differentiate between network infrastructure implementations
    • WAN
    • MAN
    • LAN
    • WLAN
      • Hotspot
    • PAN
      • Bluetooth
      • IR
      • NFC
    • SCADA/ICS
      • ICS server
      • DCS/closed network
      • Remote terminal unit
      • Programmable logic controller
    • Medianets
      • VTC
        • ISDN
        • IP/SIP

Readings

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  1. Read Wikipedia: Wide area network.
  2. Read Wikipedia: Metropolitan area network.
  3. Read Wikipedia: Local area network.
  4. Read Wikipedia: Wireless LAN.
  5. Read Wikipedia: Personal area network.
  6. Read Wikipedia: Industrial control system.
  7. Read Wikipedia: SCADA.
  8. Read Wikipedia: Videoconferencing.

Multimedia

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  1. Watch YouTube: Network Infrastructures - CompTIA Network+ N10-006 - 1.7.

Activities

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References

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  1. ↑ CompTIA: Network+ Certification Exam Objectives - Exam N10-006
Network+
Download Learning Guide

This lesson covers network addressing.

Objectives and Skills

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Objectives and skills for the network addressing portion of Network+ certification include:[1]

  • Given a scenario, implement and configure the appropriate addressing schema
    • IPv6
      • Auto-configuration
        • EUI 64
      • DHCP6
      • Link local
      • Address structure
      • Address compression
      • Tunneling 6to4, 4to6
        • Teredo, miredo
    • IPv4
      • Address structure
      • Subnetting
      • APIPA
      • Classful A, B, C, D
      • Classless
    • Private vs public
    • NAT/PAT
    • MAC addressing
    • Multicast
    • Unicast
    • Broadcast
    • Broadcast domains vs collision domains

Readings

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  1. Read Wikipedia: IP address.
  2. Read Wikipedia: IPv6.
  3. Read Wikipedia: Classful network.
  4. Read Wikipedia: CIDR notation.
  5. Read Wikipedia: Classless Inter-Domain Routing.
  6. Read Wikipedia: Subnetwork.
  7. Read Wikipedia: IPv4 subnetting reference.
  8. Read Wikipedia: Private network.
  9. Read Wikipedia: Network address translation.
  10. Read Wikipedia: MAC address.
  11. Read Wikipedia: Multicast.
  12. Read Wikipedia: Link-local address.

Multimedia

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  1. Watch YouTube: Binary Math - CompTIA Network+ N10-006 - 1.8.
  2. Watch YouTube: An Overview of IPv6 - CompTIA Network+ N10-006 - 1.8.
  3. Watch YouTube: IPv6 Address Configuration - CompTIA Network+ N10-006 - 1.8.
  4. Watch YouTube: IPv6 Interoperability - CompTIA Network+ N10-006 - 1.8.
  5. Watch YouTube: IPv4 Classes - CompTIA Network+ N10-006 - 1.8.
  6. Watch YouTube: Classless Inter-Domain Routing - CompTIA Network+ N10-006 - 1.8.
  7. Watch YouTube: IPv4 Addresses and Subnetting - CompTIA Network+ N10-006 - 1.8.
  8. Watch YouTube: APIPA - CompTIA Network+ N10-006 - 1.8.
  9. Watch YouTube: Unicast, Multicast, and Broadcast - CompTIA Network+ N10-006 - 1.8.
  10. Watch YouTube: Broadcast Domains and Collision Domains - CompTIA Network+ N10-006 - 1.8.

Activities

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References

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  1. ↑ CompTIA: Network+ Certification Exam Objectives - Exam N10-006
Network+
Download Learning Guide

This lesson covers routing.

Objectives and Skills

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Objectives and skills for the routing portion of Network+ certification include:[1]

  • Explain the basics of routing concepts and protocols
    • Loopback interface
    • Routing loops
    • Routing tables
    • Static vs dynamic routes
    • Default route
    • Distance vector routing protocols
      • RIPv2
    • Hybrid routing protocols
      • BGP
    • Link state routing protocols
      • OSPF
      • IS-IS
    • Interior vs exterior gateway routing protocols
    • Autonomous system numbers
    • Route redistribution
    • High availability
      • VRRP
      • Virtual IP
      • HSRP
    • Route aggregation
    • Routing metrics
      • Hop counts
      • MTU, bandwidth
      • Costs
      • Latency
      • Administrative distance
      • SPB

Readings

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  1. Read Introduction.
  2. Read Wikipedia: Routing.
  3. Read Wikipedia: Distance-vector routing protocol.
  4. Read Wikipedia: Link-state routing protocol.
  5. Read Wikipedia: Routing Information Protocol.
  6. Read Wikipedia: Open Shortest Path First.
  7. Read Wikipedia: Enhanced Interior Gateway Routing Protocol.
  8. Read Wikipedia: Border Gateway Protocol.
  9. Read Wikipedia: Virtual Router Redundancy Protocol.
  10. Read Wikipedia: Hot Standby Router Protocol.

Multimedia

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  1. Watch YouTube: Routing Tables - CompTIA Network+ N10-006 - 1.9.
  2. Watch YouTube: Route Aggregation and Redistribution - CompTIA Network+ N10-006 - 1.9.
  3. Watch YouTube: Routing Metrics - CompTIA Network+ N10-006 - 1.9.
  4. Watch YouTube: Static and Dynamic Routing - CompTIA Network+ N10-006 - 1.9.
  5. Watch YouTube: Link State, Distance Vector, and Hybrid Routing Protocols - CompTIA Network+ N10-006 - 1.9.
  6. Watch YouTube: IGP and EGP - CompTIA Network+ N10-006 - 1.9.
  7. Watch YouTube: High Availability - CompTIA Network+ N10-006 - 1.9.

Activities

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References

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  1. ↑ CompTIA: Network+ Certification Exam Objectives - Exam N10-006
Network+
Download Learning Guide

This lesson covers unified communications.

Objectives and Skills

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Objectives and skills for the unified communications portion of Network+ certification include:[1]

  • Identify the basics elements of unified communication technologies
    • VoIP
    • Video
    • Real time services
      • Presence
      • Multicast vs unicast
    • QoS
      • DSCP
      • COS
    • Devices
      • UC servers
      • UC devices
      • UC gateways

Readings

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  1. Read Wikipedia: Voice over IP.
  2. Read Wikipedia: Quality of service.

Multimedia

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  1. Watch YouTube: Unified Communication Technologies - CompTIA Network+ N10-006 - 1.10.

Activities

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References

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  1. ↑ CompTIA: Network+ Certification Exam Objectives - Exam N10-006
Network+
Download Learning Guide

This lesson covers unified virtualization and cloud concepts.

Objectives and Skills

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Objectives and skills for the virtualization and cloud concepts portion of Network+ certification include:[1]

  • Compare and contrast technologies that support cloud and virtualization
    • Virtualization
      • Virtual switches
      • Virtual routers
      • Virtual firewall
      • Virtual vs physical NICs
      • Software defined networking
    • Storage area network
      • iSCSI
      • Jumbo frame
      • Fibre Channel
      • Network attached storage
    • Cloud concepts
      • Public IaaS, SaaS, PaaS
      • Private IaaS, SaaS, PaaS
      • Hybrid IaaS, SaaS, PaaS
      • Community IaaS, SaaS, PaaS

Readings

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  1. Read Wikipedia: Virtualization.
  2. Read Wikipedia: Storage area network.
  3. Read Wikipedia: Cloud computing.

Multimedia

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  1. Watch YouTube: Virtualization - CompTIA Network+ N10-006 - 1.11.
  2. Watch YouTube: Storage Area Networks - CompTIA Network+ N10-006 - 1.11.
  3. Watch YouTube: Cloud Technologies - CompTIA Network+ N10-006 - 1.11.

Activities

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References

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  1. ↑ CompTIA: Network+ Certification Exam Objectives - Exam N10-006
Network+
Download Learning Guide

This lesson covers network implementation.

Objectives and Skills

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Objectives and skills for the network implementation portion of Network+ certification include:[1]

  • Given a set of requirements, implement a basic network
    • List of requirements
    • Device types/requirements
    • Environment limitations
    • Equipment limitations
    • Compatibility requirements
    • Wired/wireless considerations
    • Security considerations

Readings

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Multimedia

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  1. Watch YouTube: Implementing a Basic Network - CompTIA Network+ N10-006 - 1.12.

Activities

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References

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  1. ↑ CompTIA: Network+ Certification Exam Objectives - Exam N10-006

Operations

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Network+/Collection/Sidebar This section of the computer networks course covers monitoring, performance, configuration management, segmentation, updates, switching, and wireless.

Preparation

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Learners should already be familiar with network architecture.

Lessons

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See Also

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References

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Network+
Download Learning Guide

This lesson covers monitoring network devices via SNMP Protocol.

Objectives and Skills

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Objectives and skills for the monitoring portion of Network+ certification include:[1]

  • Given a scenario, use appropriate monitoring tools
    • Packet/network analyzer
    • Interface monitoring tools
    • Port scanner: nmap
    • Top talkers/listeners
    • SNMP management software
      • Trap
      • Get
      • Walk
      • MIBS
    • Alerts
      • Email
      • SMS
    • Packet flow monitoring
    • syslog
    • SIEM: HP ArcSight, IBM QRadar or Splunk
    • Environmental monitoring tools
      • Temperature
      • Humidity
    • Power monitoring tools
    • Wireless survey tools
    • Wireless analyzers

Readings

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Multimedia

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  1. Watch YouTube: Using Protocol Analyzers - CompTIA Network+ N10-006 - 2.1.
  2. Watch YouTube: Network Monitoring Tools - CompTIA Network+ N10-006 - 2.1.
  3. Watch YouTube: SIEM - CompTIA Network+ N10-006 - 2.1.
  4. Watch YouTube: Environmental Monitoring Tools - CompTIA Network+ N10-006 - 2.1.
  5. Watch YouTube: Wireless Tools - CompTIA Network+ N10-006 - 2.1.

Activities

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References

[edit | edit source]
  1. ↑ CompTIA: Network+ Certification Exam Objectives - Exam N10-006
Network+
Download Learning Guide

This lesson covers network performance.

Objectives and Skills

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Objectives and skills for the network performance portion of Network+ certification include:[1]

  • Given a scenario, analyze metrics and reports from monitoring and tracking performance tools
    • Baseline
    • Bottleneck
    • Log management
    • Graphing
    • Utilization
      • Bandwidth
      • Storage
      • Network device CPU
      • Network device memory
      • Wireless channel utilization
    • Link status
    • Interface monitoring
      • Errors
      • Utilization
      • Discards
      • Packet drops
      • Interface resets
      • Speed and duplex

Readings

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Multimedia

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  1. Watch YouTube: Baselines and Bottlenecks - CompTIA Network+ N10-006 - 2.2.
  2. Watch YouTube: Log Management and Graphing - CompTIA Network+ N10-006 - 2.2.
  3. Watch YouTube: Utilization Statistics - CompTIA Network+ N10-006 - 2.2.
  4. Watch YouTube: Interface Monitoring - CompTIA Network+ N10-006 - 2.2.

Activities

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  • Test your internet connection using any of the public available services: fast.com or speedtest.net. Test you network connection from command line: speedtest-cli --simple

References

[edit | edit source]
  1. ↑ CompTIA: Network+ Certification Exam Objectives - Exam N10-006
Network+
Download Learning Guide

This lesson covers configuration management.

Objectives and Skills

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Objectives and skills for the configuration management portion of Network+ certification include:[1]

  • Given a scenario, use appropriate resources to support configuration management
    • Archives/backups
    • Baselines
    • On-boarding and off-boarding of mobile devices
    • NAC
    • Documentation
      • Network diagrams (logical/physical)
      • Asset management
      • IP address utilization
      • Vendor documentation
      • Internal operating procedures/policies/standards

Readings

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Multimedia

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  1. Watch YouTube: Configuration Management - CompTIA Network+ N10-006 - 2.3.
  2. Watch YouTube: On-Boarding and Off-Boarding Mobile Devices - CompTIA Network+ N10-006 - 2.3.
  3. Watch YouTube: Network Access Control - CompTIA Network+ N10-006 - 2.3.
  4. Watch YouTube: Documenting the Network - CompTIA Network+ N10-006 - 2.3.

Activities

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References

[edit | edit source]
  1. ↑ CompTIA: Network+ Certification Exam Objectives - Exam N10-006
Network+
Download Learning Guide

This lesson covers network segmentation.

Objectives and Skills

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Objectives and skills for the network segmentation portion of Network+ certification include:[1]

  • Explain the importance of implementing network segmentation
    • SCADA systems/Industrial control systems
    • Legacy systems
    • Separate private/public networks
    • Honeypot/honeynet
    • Testing lab
    • Load balancing
    • Performance optimization
    • Security
    • Compliance

Readings

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Multimedia

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  1. Watch YouTube: Segmenting the Network - CompTIA Network+ N10-006 - 2.4.

Activities

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References

[edit | edit source]
  1. ↑ CompTIA: Network+ Certification Exam Objectives - Exam N10-006
Network+
Download Learning Guide

This lesson covers updates.

Objectives and Skills

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Objectives and skills for the updates portion of Network+ certification include:[1]

  • Given a scenario, install and apply patches and updates
    • OS updates
    • Firmware updates
    • Driver updates
    • Feature changes/updates
    • Major vs minor updates
    • Vulnerability patches
    • Upgrading vs downgrading
      • Configuration backup

Readings

[edit | edit source]

Multimedia

[edit | edit source]
  1. Watch YouTube: Patches and Updates - CompTIA Network+ N10-006 - 2.5.

Activities

[edit | edit source]

References

[edit | edit source]
  1. ↑ CompTIA: Network+ Certification Exam Objectives - Exam N10-006
Network+
Download Learning Guide

This lesson covers switching.

Objectives and Skills

[edit | edit source]

Objectives and skills for the switching portion of Network+ certification include:[1]

  • Given a scenario, configure a switch using proper features
    • VLAN
      • Native VLAN/Default VLAN
      • VTP
    • Spanning tree (802.1d)/rapid spanning tree (802.1w)
      • Flooding
      • Forwarding/blocking
      • Filtering
    • Interface configuration
      • Trunking/802.1q
      • Tag vs untag VLANs
      • Port bonding (LACP)
      • Port mirroring (local vs remote)
      • Speed and duplexing
      • IP address assignment
      • VLAN assignment
    • Default gateway
    • PoE and PoE+ (802.3af, 802.3at)
    • Switch management
      • User/passwords
      • AAA configuration
      • Console
      • Virtual terminals
      • In-band/Out-of-band management
    • Managed vs unmanaged

Readings

[edit | edit source]

Multimedia

[edit | edit source]
  1. Watch YouTube: Configuring VLANs - CompTIA Network+ N10-006 - 2.6.
  2. Watch YouTube: Spanning Tree Protocol - CompTIA Network+ N10-006 - 2.6.
  3. Watch YouTube: Switch Interface Configuration - CompTIA Network+ N10-006 - 2.6.
  4. Watch YouTube: Power Over Ethernet - CompTIA Network+ N10-006 - 2.6.
  5. Watch YouTube: Switch Management - CompTIA Network+ N10-006 - 2.6.

Activities

[edit | edit source]

References

[edit | edit source]
  1. ↑ CompTIA: Network+ Certification Exam Objectives - Exam N10-006
Network+
Download Learning Guide

This lesson covers wireless operations.

Objectives and Skills

[edit | edit source]

Objectives and skills for the wireless operations portion of Network+ certification include:[1]

  • Install and configure wireless LAN infrastructure and implement the appropriate technologies in support of wireless capable devices
    • Small office/home office wireless router
    • Wireless access points
      • Device density
      • Roaming
      • Wireless controllers
        • VLAN pooling
        • LWAPP
    • Wireless bridge
    • Site surveys
      • Heat maps
    • Frequencies
      • 2.4 Ghz
      • 5.0 Ghz
    • Channels
    • Goodput
    • Connection types
      • 802.11a-ht
      • 802.11g-ht
    • Antenna placement
    • Antenna types
      • Omnidirectional
      • Unidirectional
    • MIMO/MUMIMO
    • Signal strength
      • Coverage
      • Differences between device antennas
    • SSID broadcast
    • Topologies
      • Adhoc
      • Mesh
      • Infrastructure
    • Mobile devices
      • Cell phones
      • Laptops
      • Tablets
      • Gaming devices
      • Media devices

Readings

[edit | edit source]

Multimedia

[edit | edit source]
  1. Watch YouTube: Wireless Network Devices - CompTIA Network+ N10-006 - 2.7.
  2. Watch YouTube: Wireless Connections - CompTIA Network+ N10-006 - 2.7.
  3. Watch YouTube: Wireless Antenna Technologies - CompTIA Network+ N10-006 - 2.7.
  4. Watch YouTube: Using Wireless Networks - CompTIA Network+ N10-006 - 2.7.

Activities

[edit | edit source]

References

[edit | edit source]
  1. ↑ CompTIA: Network+ Certification Exam Objectives - Exam N10-006

Security

[edit | edit source]

Network+/Collection/Sidebar This section of the computer networks course covers risk, threats, hardening, physical security, firewalls, access control, and forensics.

Preparation

[edit | edit source]

Learners should already be familiar with network architecture and network operations.

Lessons

[edit | edit source]

See Also

[edit | edit source]

References

[edit | edit source]
Network+
Download Learning Guide

This lesson covers risk.

Objectives and Skills

[edit | edit source]

Objectives and skills for the risk portion of Network+ certification include:[1]

  • Compare and contrast risk related concepts
    • Disaster recovery
    • Business continuity
    • Battery backups/UPS
    • First responders
    • Data breach
    • End user awareness and training
    • Single point of failure
      • Critical nodes
      • Critical assets
      • Redundancy
    • Adherence to standards and policies
    • Vulnerability scanning
    • Penetration testing

Readings

[edit | edit source]

Multimedia

[edit | edit source]
  1. Watch YouTube: Business Risk - CompTIA Network+ N10-006 - 3.1.
  2. Watch YouTube: Single Point of Failure - CompTIA Network+ N10-006 - 3.1.
  3. Watch YouTube: Vulnerability Scanning - CompTIA Network+ N10-006 - 3.1.
  4. Watch YouTube: Penetration Testing - CompTIA Network+ N10-006 - 3.1.

Activities

[edit | edit source]

References

[edit | edit source]
  1. ↑ CompTIA: Network+ Certification Exam Objectives - Exam N10-006
Network+
Download Learning Guide

This lesson covers threats and vulnerabilities.

Objectives and Skills

[edit | edit source]

Objectives and skills for the threats and vulnerabilities portion of Network+ certification include:[1]

  • Compare and contrast common network vulnerabilities and threats
    • Attacks/threats
      • Denial of service
        • Distributed DoS
          • Botnet
          • Traffic spike
          • Coordinated attack
        • Reflective/amplified
          • DNS
          • NTP
          • Smurfing
        • Friendly/unintentional DoS
        • Physical attack
          • Permanent DoS
      • ARP cache poisoning
      • Packet/protocol abuse
      • Spoofing
      • Wireless
        • Evil twin
        • Rogue AP
        • War driving
        • War chalking
        • Bluejacking
        • Bluesnarfing
        • WPA/WEP/WPS attacks
      • Brute force
      • Session hijacking
      • Social engineering
      • Man-in-the-middle
      • VLAN hopping
      • Compromised system
      • Effect of malware on the network
      • Insider threat/malicious employee
      • Zero day attacks
    • Vulnerabilities
      • Unnecessary running services
      • Open ports
      • Unpatched/legacy systems
      • Unencrypted channels
      • Clear text credentials
      • Unsecure protocols
        • TELNET
        • HTTP
        • SLIP
        • FTP
        • TFTP
        • SNMPv1 and SNMPv2
      • TEMPEST/RF emanation

Readings

[edit | edit source]

Multimedia

[edit | edit source]
  1. Watch YouTube: Denial of Service - CompTIA Network+ N10-006 - 3.2.
  2. Watch YouTube: Wireless Network Attacks - CompTIA Network+ N10-006 - 3.2.
  3. Watch YouTube: Wireless Protocol Attacks - CompTIA Network+ N10-006 - 3.2.
  4. Watch YouTube: Brute Force Attacks - CompTIA Network+ N10-006 - 3.2.
  5. Watch YouTube: Session Hijacking - CompTIA Network+ N10-006 - 3.2.
  6. Watch YouTube: Social Engineering - CompTIA Network+ N10-006 - 3.2.
  7. Watch YouTube: Man in the Middle Attacks - CompTIA Network+ N10-006 - 3.2.
  8. Watch YouTube: VLAN Hopping - CompTIA Network+ N10-006 - 3.2.
  9. Watch YouTube: Compromised Systems - CompTIA Network+ N10-006 - 3.2.
  10. Watch YouTube: Insider Threats - CompTIA Network+ N10-006 - 3.2.
  11. Watch YouTube: Zero-day Attacks - CompTIA Network+ N10-006 - 3.2.
  12. Watch YouTube: Operating System Vulnerabilities - CompTIA Network+ N10-006 - 3.2.

Activities

[edit | edit source]

References

[edit | edit source]
  1. ↑ CompTIA: Network+ Certification Exam Objectives - Exam N10-006
Network+
Download Learning Guide

This lesson covers hardening techniques.

Objectives and Skills

[edit | edit source]

Objectives and skills for the hardening techniques portion of Network+ certification include:[1]

  • Given a scenario, implement network hardening techniques
    • Anti-malware software
      • Host-based
      • Cloud/server-based
      • Network-based
    • Switch port security
      • DHCP snooping
      • ARP inspection
      • MAC address filtering
      • VLAN assignments
        • Network segmentation
    • Security policies
    • Disable unneeded network services
    • Use secure protocols
      • SSH
      • SNMPv3
      • TLS/SSL
      • SFTP
      • HTTPS
      • IPsec
    • Access lists
      • Web/content filtering
      • Port filtering
      • IP filtering
      • Implicit deny
    • Wireless security
      • WEP
      • WPA/WPA2
        • Enterprise
        • Personal
      • TKIP/AES
      • 802.1x
      • TLS/TTLS
      • MAC filtering
    • User authentication
      • CHAP/MSCHAP
      • PAP
      • EAP
      • Kerberos
      • Multifactor authentication
      • Two-factor authentication
      • Single sign-on
    • Hashes
      • MD5
      • SHA

Readings

[edit | edit source]

Multimedia

[edit | edit source]
  1. Watch YouTube: Anti-Malware Software - CompTIA Network+ N10-006 - 3.3.
  2. Watch YouTube: Switch Port Security - CompTIA Network+ N10-006 - 3.3.
  3. Watch YouTube: Security Policies - CompTIA Network+ N10-006 - 3.3.
  4. Watch YouTube: Disabling Unneeded Network Services - CompTIA Network+ N10-006 - 3.3.
  5. Watch YouTube: Using Secure Protocols - CompTIA Network+ N10-006 - 3.3.
  6. Watch YouTube: Access Lists - CompTIA Network+ N10-006 - 3.3.
  7. Watch YouTube: Wireless Security - CompTIA Network+ N10-006 - 3.3.
  8. Watch YouTube: User Authentication - CompTIA Network+ N10-006 - 3.3.
  9. Watch YouTube: Hashing - CompTIA Network+ N10-006 - 3.3.

Activities

[edit | edit source]

References

[edit | edit source]
  1. ↑ CompTIA: Network+ Certification Exam Objectives - Exam N10-006
Network+
Download Learning Guide

This lesson covers physical security.

Objectives and Skills

[edit | edit source]

Objectives and skills for the physical security portion of Network+ certification include:[1]

  • Compare and contrast physical security controls
    • Mantraps
    • Network closets
    • Video monitoring
      • IP cameras/CCTVs
    • Door access controls
    • Proximity readers/key fob
    • Biometrics
    • Keypad/cipher locks
    • Security guard

Readings

[edit | edit source]

Multimedia

[edit | edit source]
  1. Watch YouTube: Physical Security Controls - CompTIA Network+ N10-006 - 3.4.

Activities

[edit | edit source]

References

[edit | edit source]
  1. ↑ CompTIA: Network+ Certification Exam Objectives - Exam N10-006
Network+
Download Learning Guide

This lesson covers firewalls.

Objectives and Skills

[edit | edit source]

Objectives and skills for the firewalls portion of Network+ certification include:[1]

  • Given a scenario, install and configure a basic firewall
    • Types of firewalls
      • Host-based
      • Network-based
      • Software vs hardware
      • Application aware/context aware
      • Small office/home office firewall
      • Stateful vs stateless inspection
      • UTM
    • Settings/techniques
      • ACL
      • Virtual wire vs routed
      • DMZ
      • Implicit deny
      • Block/allow
        • Outbound traffic
        • Inbound traffic
      • Firewall placement
        • Internal/external

Readings

[edit | edit source]
  1. Wikipedia: Firewall (computing)
  2. Wikipedia: Comparison of firewalls

Multimedia

[edit | edit source]
  1. Watch YouTube: Firewalls - CompTIA Network+ N10-006 - 3.5.
  2. Watch YouTube: Firewall Configurations - CompTIA Network+ N10-006 - 3.5.

Lesson Summary

[edit | edit source]

References

[edit | edit source]
  1. ↑ CompTIA: Network+ Certification Exam Objectives - Exam N10-006
  2. ↑ Wikipedia:Template:Firewall software
Network+
Download Learning Guide

This lesson covers access control.

Objectives and Skills

[edit | edit source]

Objectives and skills for the access control portion of Network+ certification include:[1]

  • Explain the purpose of various network access control models
    • 802.1x
    • Posture assessment
    • Guest network
    • Persistent vs non-persistent agents
    • Quarantine network
    • Edge vs access control

Readings

[edit | edit source]

Multimedia

[edit | edit source]
  1. Watch YouTube: Network Access Control Models - CompTIA Network+ N10-006 - 3.6.

Activities

[edit | edit source]

References

[edit | edit source]
  1. ↑ CompTIA: Network+ Certification Exam Objectives - Exam N10-006
Network+
Download Learning Guide

This lesson covers forensics concepts.

Objectives and Skills

[edit | edit source]

Objectives and skills for the forensics concepts portion of Network+ certification include:[1]

  • Summarize basic forensic concepts
    • First responder
    • Secure the area
      • Escalate when necessary
    • Document the scene
    • eDiscovery
    • Evidence/data collection
    • Chain of custody
    • Data transport
    • Forensics report
    • Legal hold

Readings

[edit | edit source]

Multimedia

[edit | edit source]
  1. Watch YouTube: Basic Forensic Concepts - CompTIA Network+ N10-006 - 3.7.

Activities

[edit | edit source]

References

[edit | edit source]
  1. ↑ CompTIA: Network+ Certification Exam Objectives - Exam N10-006

Troubleshooting

[edit | edit source]

Network+/Collection/Sidebar This section of the computer networks course covers troubleshooting methodology, tools, wireless issues, copper issues, fiber issues, network issues, security issues, and WAN issues.

Preparation

[edit | edit source]

Learners should already be familiar with network architecture and network operations.

Lessons

[edit | edit source]

See Also

[edit | edit source]

References

[edit | edit source]
Network+
Download Learning Guide

This lesson covers troubleshooting methodology.

Objectives and Skills

[edit | edit source]

Objectives and skills for the troubleshooting methodology portion of Network+ certification include:[1]

  • Given a scenario, implement the following network troubleshooting methodology
    • Identify the problem
      • Gather information
      • Duplicate the problem, if possible
      • Question users
      • Identify symptoms
      • Determine if anything has changed
      • Approach multiple problems individually
    • Establish a theory of probable cause
      • Question the obvious
      • Consider multiple approaches
        • Top-to-bottom/bottom-to-top OSI model
        • Divide and conquer
    • Test the theory to determine cause
      • Once theory is confirmed, determine next steps to resolve problem
      • If theory is not confirmed, re-establish new theory or escalate
    • Establish a plan of action to resolve the problem and identify potential effects
    • Implement the solution or escalate as necessary
    • Verify full system functionality and if applicable implement preventative measures
    • Document findings, actions, and outcomes

Readings

[edit | edit source]

Multimedia

[edit | edit source]
  1. Watch YouTube: Network Troubleshooting Methodology - CompTIA Network+ N10-006 - 4.1.

Activities

[edit | edit source]

References

[edit | edit source]
  1. ↑ CompTIA: Network+ Certification Exam Objectives - Exam N10-006
Network+
Download Learning Guide

This lesson covers troubleshooting tools.

Objectives and Skills

[edit | edit source]

Objectives and skills for the troubleshooting tools portion of Network+ certification include:[1]

  • Given a scenario, analyze and interpret the output of troubleshooting tools
    • Command line tools
      • ipconfig
      • netstat
      • ifconfig
      • ping/ping6/ping -6
      • fping, hping and nping
      • tracert/tracert -6/traceroute6/traceroute -6
      • nbtstat
      • nslookup
      • arp
      • arping
      • mac address lookup table
      • pathping
      • route
    • Line testers
    • Certifiers
    • Multimeter
    • Cable tester
    • Light meter
    • Toner probe
    • Speed test sites
    • Looking glass sites
    • WiFi analyzer
    • Protocol analyzer

Readings

[edit | edit source]

Multimedia

[edit | edit source]
  1. Watch YouTube: Command Line Tools - CompTIA Network+ N10-006 - 4.2.
  2. Watch YouTube: Physical Testing Tools - CompTIA Network+ N10-006 - 4.2.
  3. Watch YouTube: Web-based Troubleshooting Tools - CompTIA Network+ N10-006 - 4.2.
  4. Watch YouTube: Protocol Analyzers - CompTIA Network+ N10-006 - 4.2.

Activities

[edit | edit source]
  1. Complete Arp activities.
  2. Complete Ipconfig activities.
  3. Complete Nbtstat activities.
  4. Complete Netstat activities.
  5. Complete Nslookup activities.
  6. Complete Ping activities.
  7. Complete Route activities.
  8. Complete Tracert activities.

References

[edit | edit source]
  1. ↑ CompTIA: Network+ Certification Exam Objectives - Exam N10-006
Network+
Download Learning Guide

This lesson covers wireless issues.

Objectives and Skills

[edit | edit source]

Objectives and skills for the wireless issues portion of Network+ certification include:[1]

  • Given a scenario, troubleshoot and resolve common wireless issues
    • Signal loss
    • Interference
    • Overlapping channels
      • Mismatched channels
    • Signal-to-noise ratio
    • Device saturation
    • Bandwidth saturation
    • Untested updates
    • Wrong SSID
    • Power levels
    • Open networks
    • Rogue access point
    • Wrong antenna type
    • Incompatibilities
    • Wrong encryption
    • Bounce
    • MIMO
    • AP placement
    • AP configurations
      • LWAPP
      • Thin vs thick
    • Environmental factors
      • Concrete walls
      • Window film
      • Metal studs
    • Wireless standard related issues
      • Throughput
      • Frequency
      • Distance
      • Channels

Readings

[edit | edit source]

Multimedia

[edit | edit source]
  1. Watch YouTube: Troubleshooting Wireless Signals - CompTIA Network+ N10-006 - 4.3.
  2. Watch YouTube: Troubleshooting Wireless Configurations - CompTIA Network+ N10-006 - 4.3.

Activities

[edit | edit source]

References

[edit | edit source]
  1. ↑ CompTIA: Network+ Certification Exam Objectives - Exam N10-006
Network+
Download Learning Guide

This lesson covers copper issues.

Objectives and Skills

[edit | edit source]

Objectives and skills for the copper issues portion of Network+ certification include:[1]

  • Given a scenario, troubleshoot and resolve common copper cable issues
    • Shorts
    • Opens
    • Incorrect termination (mismatched standards)
      • Straight-through
      • Crossover
    • Cross-talk
      • Near end
      • Far end
    • EMI/RFI
    • Distance limitations
    • Attenuation/Db loss
    • Bad connector
    • Bad wiring
    • Split pairs
    • Tx/Rx reverse
    • Cable placement
    • Bad SFP/GBIC - cable or transceiver

Readings

[edit | edit source]

Multimedia

[edit | edit source]
  1. Watch YouTube: Troubleshooting Copper Cables - CompTIA Network+ N10-006 - 4.4.
  2. Watch YouTube: Troubleshooting Signal Loss - CompTIA Network+ N10-006 - 4.4.
  3. Watch YouTube: Troubleshooting Network Cabling - CompTIA Network+ N10-006 - 4.4.

Activities

[edit | edit source]

References

[edit | edit source]
  1. ↑ CompTIA: Network+ Certification Exam Objectives - Exam N10-006
Network+
Download Learning Guide

This lesson covers fiber issues.

Objectives and Skills

[edit | edit source]

Objectives and skills for the fiber issues portion of Network+ certification include:[1]

  • Given a scenario, troubleshoot and resolve common fiber cable issues
    • Attenuation/Db loss
    • SFP/GBIC - cable mismatch
    • Bad SFP/GBIC - cable or transceiver
    • Wavelength mismatch
    • Fiber type mismatch
    • Dirty connectors
    • Connector mismatch
    • Bend radius limitations
    • Distance limitations

Readings

[edit | edit source]

Multimedia

[edit | edit source]
  1. Watch YouTube: Troubleshooting Fiber Issues - CompTIA Network+ N10-006 - 4.5.

Activities

[edit | edit source]

References

[edit | edit source]
  1. ↑ CompTIA: Network+ Certification Exam Objectives - Exam N10-006
Network+
Download Learning Guide

This lesson covers network issues.

Objectives and Skills

[edit | edit source]

Objectives and skills for the network issues portion of Network+ certification include:[1]

  • Given a scenario, troubleshoot and resolve common network issues
    • Incorrect IP configuration/default gateway
    • Broadcast storms/switching loop
    • Duplicate IP
    • Speed and duplex mismatch
    • End-to-end connectivity
    • Incorrect VLAN assignment
    • Hardware failure
    • Misconfigured DHCP
    • Misconfigured DNS
    • Incorrect interface/interface misconfiguration
    • Cable placement
    • Interface errors
    • Simultaneous wired/wireless connections
    • Discovering neighboring devices/nodes
    • Power failure/power anomalies
    • MTU/MTU black hole
    • Missing IP routes
    • NIC teaming misconfiguration
      • Active-active vs active-passive
      • Multicast vs broadcast

Readings

[edit | edit source]

Multimedia

[edit | edit source]
  1. Watch YouTube: Troubleshooting IP Configurations - CompTIA Network+ N10-006 - 4.6.
  2. Watch YouTube: Troubleshooting DNS and DHCP - CompTIA Network+ N10-006 - 4.6.
  3. Watch YouTube: Troubleshooting Broadcast Storms and Switching Loops - CompTIA Network+ N10-006 - 4.6.
  4. Watch YouTube: Troubleshooting Interface Configurations - CompTIA Network+ N10-006 - 4.6.
  5. Watch YouTube: Troubleshooting VLAN Assignments - CompTIA Network+ N10-006 - 4.6.
  6. Watch YouTube: Troubleshooting Network Connectivity - CompTIA Network+ N10-006 - 4.6.
  7. Watch YouTube: Troubleshooting Mismatched MTUs - CompTIA Network+ N10-006 - 4.6.
  8. Watch YouTube: Troubleshooting NIC Teaming - CompTIA Network+ N10-006 - 4.6.

Activities

[edit | edit source]

References

[edit | edit source]
  1. ↑ CompTIA: Network+ Certification Exam Objectives - Exam N10-006
Network+
Download Learning Guide

This lesson covers security issues.

Objectives and Skills

[edit | edit source]

Objectives and skills for the security issues portion of Network+ certification include:[1]

  • Given a scenario, troubleshoot and resolve common security issues
    • Misconfigured firewall
    • Misconfigured ACLs/applications
    • Malware
    • Denial of service
    • Open/closed ports
    • ICMP related issues
      • Ping of death
      • Unreachable default gateway
    • Unpatched firmware/OSs
    • Malicious users
      • Trusted
      • Untrusted users
      • Packet sniffing
    • Authentication issues
      • TACACS/RADIUS misconfigurations
      • Default passwords/settings
    • Improper access/backdoor access
    • ARP issues
    • Banner grabbing/OUI
    • Domain/local group configurations
    • Jamming

Readings

[edit | edit source]

Multimedia

[edit | edit source]
  1. Watch YouTube: Troubleshooting Firewall Security Issues - CompTIA Network+ N10-006 - 4.7.
  2. Watch YouTube: Troubleshooting Operating System Security Issues - CompTIA Network+ N10-006 - 4.7.
  3. Watch YouTube: Troubleshooting Denial of Service - CompTIA Network+ N10-006 - 4.7.
  4. Watch YouTube: Troubleshooting ICMP and ARP - CompTIA Network+ N10-006 - 4.7.
  5. Watch YouTube: Troubleshooting Malicious User Activities - CompTIA Network+ N10-006 - 4.7.
  6. Watch YouTube: Troubleshooting Authentication Issues - CompTIA Network+ N10-006 - 4.7.

Activities

[edit | edit source]

References

[edit | edit source]
  1. ↑ CompTIA: Network+ Certification Exam Objectives - Exam N10-006
Network+
Download Learning Guide

This lesson covers WAN issues.

Objectives and Skills

[edit | edit source]

Objectives and skills for the WAN issues portion of Network+ certification include:[1]

  • Given a scenario, troubleshoot and resolve common WAN issues
    • Loss of internet connectivity
    • Interface errors
    • Split horizon
    • DNS issues
    • Interference
    • Router configurations
    • Customer premise equipment
      • Smart jack/NIU
      • Demarc
      • Loopback
      • CSU/DSU
      • Copper line drivers/repeaters
    • Company security policy
      • Throttling
      • Blocking
      • Fair access policy/utilization limits
    • Satellite issues
      • Latency

Readings

[edit | edit source]

Multimedia

[edit | edit source]
  1. Watch YouTube: Troubleshooting WAN Issues - CompTIA Network+ N10-006 - 4.8.
  2. Watch YouTube: Troubleshooting Customer Premise Equipment - CompTIA Network+ N10-006 - 4.8.
  3. Watch YouTube: Company Security Policies - CompTIA Network+ N10-006 - 4.8.

Activities

[edit | edit source]

References

[edit | edit source]
  1. ↑ CompTIA: Network+ Certification Exam Objectives - Exam N10-006

Standards

[edit | edit source]

Network+/Collection/Sidebar This section of the computer networks course covers the OSI model, theory and concepts, wireless, wired, policies and procedures, safety practices, equipment placement, change management, protocol concepts, and protocol usage.

Preparation

[edit | edit source]

Learners should already be familiar with network fundamentals.

Lessons

[edit | edit source]

See Also

[edit | edit source]

References

[edit | edit source]
Network+
Download Learning Guide

This lesson covers the OSI model.

Objectives and Skills

[edit | edit source]

Objectives and skills for the OSI model portion of Network+ certification include:[1]

  • Analyze a scenario and determine the corresponding OSI layer
    • Layer 1 – Physical
    • Layer 2 – Data link
    • Layer 3 – Network
    • Layer 4 – Transport
    • Layer 5 – Session
    • Layer 6 – Presentation
    • Layer 7 – Application

Readings

[edit | edit source]
  1. Read Introduction
  2. Read OSI Components

Multimedia

[edit | edit source]
  1. Watch YouTube: Understanding the OSI Model - CompTIA Network+ N10-006 - 5.1.

Activities

[edit | edit source]

References

[edit | edit source]
  1. ↑ CompTIA: Network+ Certification Exam Objectives - Exam N10-006
Network+
Download Learning Guide

This lesson covers theory and concepts.

Objectives and Skills

[edit | edit source]

Objectives and skills for the theory and concepts portion of Network+ certification include:[1]

  • Explain the basics of network theory and concepts
    • Encapsulation/de-encapsulation
    • Modulation techniques
      • Multiplexing
      • De-multiplexing
      • Analog and digital techniques
      • TDM
    • Numbering systems
      • Binary
      • Hexadecimal
      • Octal
    • Broadband/base band
    • Bit rates vs baud rate
    • Sampling size
    • CDMA
    • CSMA/CD and CSMA/CA
    • Carrier detect/sense
    • Wavelength
    • TCP/IP suite
      • ICMP
      • UDP
      • TCP
    • Collision

Readings

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  1. Read Introduction.

Multimedia

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  1. Watch YouTube: Network Fundamentals - CompTIA Network+ N10-006 - 5.2.
  2. Watch YouTube: Modulation Techniques - CompTIA Network+ N10-006 - 5.2.
  3. Watch YouTube: Hexadecimal Math - CompTIA Network+ N10-006 - 5.2.
  4. Watch YouTube: Octal Math - CompTIA Network+ N10-006 - 5.2.
  5. Watch YouTube: CSMA/CD and CSMA/CA - CompTIA Network+ N10-006 - 5.2.
  6. Watch YouTube: The TCP/IP Suite - CompTIA Network+ N10-006 - 5.2.

See Also

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References

[edit | edit source]
  1. ↑ CompTIA: Network+ Certification Exam Objectives - Exam N10-006
Network+
Download Learning Guide

This lesson covers wireless standards.

Objectives and Skills

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Objectives and skills for the wireless standards portion of Network+ certification include:[1]

  • Given a scenario, deploy the appropriate wireless standard
    • 802.11a
    • 802.11b
    • 802.11g
    • 802.11n
    • 802.11ac

Readings

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Multimedia

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  1. Watch YouTube: 802.11 Wireless Standards - CompTIA Network+ N10-006 - 5.3.

Activities

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References

[edit | edit source]
  1. ↑ CompTIA: Network+ Certification Exam Objectives - Exam N10-006
Network+
Download Learning Guide

This lesson covers wired standards.

Objectives and Skills

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Objectives and skills for the wired standards portion of Network+ certification include:[1]

  • Given a scenario, deploy the appropriate wired connectivity standard
    • Ethernet standards
      • 10BaseT
      • 100BaseT
      • 1000BaseT
      • 1000BaseTX
      • 10GBaseT
      • 100BaseFX
      • 10Base2
      • 10GBaseSR
      • 10GBaseER
      • 10GBaseSW
      • IEEE 1905.1-2013
        • Ethernet over HDMI
        • Ethernet over power line
    • Wiring standards
      • EIA/TIA 568A/568B
    • Broadband standards
      • DOCSIS

Readings

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Multimedia

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  1. Watch YouTube: Ethernet Standards - CompTIA Network+ N10-006 - 5.4.

Activities

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References

[edit | edit source]
  1. ↑ CompTIA: Network+ Certification Exam Objectives - Exam N10-006
Network+
Download Learning Guide

This lesson covers policies and procedures.

Objectives and Skills

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Objectives and skills for the policies and procedures portion of Network+ certification include:[1]

  • Given a scenario, implement the appropriate policies or procedures
    • Security policies
      • Consent to monitoring
    • Network policies
    • Acceptable use policy
    • Standard business documents
      • SLA
      • MOU
      • MSA
      • SOW

Readings

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Multimedia

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  1. Watch YouTube: Security and Network Policies - CompTIA Network+ N10-006 - 5.5.

Activities

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References

[edit | edit source]
  1. ↑ CompTIA: Network+ Certification Exam Objectives - Exam N10-006
Network+
Download Learning Guide

This lesson covers safety practices.

Objectives and Skills

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Objectives and skills for the safety practices portion of Network+ certification include:[1]

  • Summarize safety practices
    • Electrical safety
      • Grounding
    • ESD
      • Static
    • Installation safety
      • Lifting equipment
      • Rack installation
      • Placement
      • Tool safety
    • MSDS
    • Emergency procedures
      • Building layout
      • Fire escape plan
      • Safety/emergency exits
      • Fail open/fail close
      • Emergency alert system
    • Fire suppression systems
    • HVAC

Readings

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Multimedia

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  1. Watch YouTube: Safety Practices - CompTIA Network+ N10-006 - 5.6.
  2. Watch YouTube: Understanding Electrostatic Discharge - CompTIA Network+ N10-006 - 5.6.
  3. Watch YouTube: Emergency Procedures - CompTIA Network+ N10-006 - 5.6.

Activities

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References

[edit | edit source]
  1. ↑ CompTIA: Network+ Certification Exam Objectives - Exam N10-006
Network+
Download Learning Guide

This lesson covers equipment placement.

Objectives and Skills

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Objectives and skills for the equipment placement portion of Network+ certification include:[1]

  • Given a scenario, install and configure equipment in the appropriate location using best practices
    • Intermediate distribution frame
    • Main distribution frame
    • Cable management
      • Patch panels
    • Power management
      • Power converters
      • Circuits
      • UPS
      • Inverters
      • Power redundancy
    • Device placement
    • Air flow
    • Cable trays
    • Rack systems
      • Server rail racks
      • Two-post racks
      • Four-post racks
      • Free-standing racks
    • Labeling
      • Port labeling
      • System labeling
      • Circuit labeling
      • Naming conventions
      • Patch panel labeling
    • Rack monitoring
    • Rack security

Readings

[edit | edit source]

Multimedia

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  1. Watch YouTube: MDF and IDF - CompTIA Network+ N10-006 - 5.7.
  2. Watch YouTube: Cable and Power Management - CompTIA Network+ N10-006 - 5.7.
  3. Watch YouTube: Rack Systems - CompTIA Network+ N10-006 - 5.7.
  4. Watch YouTube: Labeling and Documentation - CompTIA Network+ N10-006 - 5.7.

Activities

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References

[edit | edit source]
  1. ↑ CompTIA: Network+ Certification Exam Objectives - Exam N10-006
Network+
Download Learning Guide

This lesson covers change management.

Objectives and Skills

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Objectives and skills for the change management portion of Network+ certification include:[1]

  • Explain the basics of change management procedures
    • Document reason for a change
    • Change request
      • Configuration procedures
      • Rollback process
      • Potential impact
      • Notification
    • Approval process
    • Maintenance window
      • Authorized downtime
    • Notification of change
    • Documentation
      • Network configurations
      • Additions to network
      • Physical location changes

Readings

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Multimedia

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  1. Watch YouTube: Change Management Procedures - CompTIA Network+ N10-006 - 5.8.

Activities

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References

[edit | edit source]
  1. ↑ CompTIA: Network+ Certification Exam Objectives - Exam N10-006
Network+
Download Learning Guide

This lesson covers protocol concepts.

Objectives and Skills

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Objectives and skills for the protocol concepts portion of Network+ certification include:[1]

  • Compare and contrast the following ports and protocols
    • 80 HTTP
    • 443 HTTPS
    • 137-139 NetBIOS
    • 110 POP
    • 143 IMAP
    • 25 SMTP
    • 5060/5061 SIP
    • 2427/2727 MGCP
    • 5004/5005 RTP
    • 1720 H.323
    • TCP
      • Connection-oriented
    • UDP
      • Connectionless

Readings

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Multimedia

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  1. Watch YouTube: Common TCP and UDP Ports - CompTIA Network+ N10-006 - 5.9.

Activities

[edit | edit source]

References

[edit | edit source]
  1. ↑ CompTIA: Network+ Certification Exam Objectives - Exam N10-006
Network+
Download Learning Guide

This lesson covers protocol usage.

Objectives and Skills

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Objectives and skills for the protocol usage portion of Network+ certification include:[1]

  • Given a scenario, configure and apply the appropriate ports and protocols
    • 20,21 FTP
    • 161 SNMP
    • 22 SSH
    • 23 Telnet
    • 53 DNS
    • 67,68 DHCP
    • 69 TFTP
    • 445 SMB
    • 3389 RDP

Readings

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Multimedia

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  1. Watch YouTube: Application Ports and Protocols - CompTIA Network+ N10-006 - 5.10.

Activities

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References

[edit | edit source]
  1. ↑ CompTIA: Network+ Certification Exam Objectives - Exam N10-006
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