In Figure 1:28, when Host A transmits a packet to Host B, how many physical links, data links, and routes will there be along the way? How many packets and frames? How many switches and routers? (Hint: The answers are in the figure but work it out yourself.)
1-2. Repeat for Host C sending a packet to Host E.
1-3. Repeat for Host A to Host C.
1-4. Repeat for Host E and Router 3.
1-5. Repeat for Router 1 and Router 3.
1-6. Repeat for Router 1 and Router 2.