a. Distinguish between data links and routes.

18a.) paths across a single network are called ________.

a. Routes

b. Data links

c. Physical links

d. None of the above

b. In Figure 1-15, how many data links are there when the packet travels to Host 5.6.7.8?

c. How many routes will there be?

d. In general, when a source host sends a packet to a destination host, will there probably be more data links or routes along the way? Explain. (The answer is not in the text.)

18d.) When a source host sends a packet to a destination host, there will probably be ________ along the way.

a. More routes

b. More data links

c. About the same number of routes and data links

d. All of the above