Internet Protocol Analysis/Internet Layer IPv4/Quiz
Internet Protocol Analysis
Internet Layer IPv4
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The Internet layer is a group of internetworking methods, protocols, and specifications in the Internet protocol suite that are used to
from the originating
, if necessary, to the destination
specified by a network address.
The Internet layer is not responsible for reliable transmission. It provides only
The core protocols used in the Internet layer are
is primarily used for error and diagnostic functions.
is used by IPv4 hosts and adjacent multicast routers to establish multicast group memberships.
Internet Protocol Security (IPsec) is a suite of protocols for securing Internet Protocol (IP) communications by
each IP packet in a data stream.
Each IP datagram has two components, a header and a data payload. The IP header is tagged with
needed to route and deliver the datagram.
addresses, most often written in the
Private IPv4 network address ranges are reserved for use in private networks and include
Private networks communicate with public networks through
The link-local IPv4 address range,
, is similar to a private network address range but is not routable.
The loopback address range,
is reserved for loopback, or internal host addressing.
The primary address pool of the Internet, maintained by the Internet Assigned Numbers Authority (IANA), was exhausted in
Valid IPv4 host addresses have a first octet in the range
(originally Class A),
(originally Class B), or
(originally Class C).
Multicast addresses have a first octet in the range
(originally Class D).
Addresses with a first octet in the range
are unused (reserved / experimental).
Classful networking was replaced by
starting in 1993.
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