Web Science/Part2: Emerging Web Properties/How big is the World Wide Web/Problems with the question about the size of the Web/quiz

1

Which two reasons make it difficult to answer the question: "What is the size of the world wide web?"

	It is not clear what size means.
	It is underspecified what we understand as the world wide web
	the dark web makes it hard to index all web pages
	Once the size of something exceeds a peta byte it cannot be measured precisely

2

When Looking at this picture of the web. What modelling choices could have been made?

	web pages are nodes of a graph and edges are links
	domains are nodes of a graph and edges exists for every link between domains
	all of the above
	none of the above

3

Which of the following viewpoints are commonly used when modelling the world wide web

	software system
	a diagram
	graph of connected web pages
	a mathematical function
	a spider web
	collection of text documents

4

how could you measure the size of a distributed software system

	count how many computers have the software installed
	gather information about the computing time being used
	you cannot do so
	the linces of code of each installed software component is a good indicator