Question

1. Which of the following statements are true about routers and routing on the Internet. Choose two answers. A. Protocols ensure that a single path between two computers is established before sending packets over it. B. Routers are hierarchical and the "root" router is responsible for communicating to sub-routers the best paths for them to route internet traffic. C. A packet traveling between two computers on the Internet may be rerouted many times along the way or even lost or "dropped". D. Routers act independently and route packets as they see fit.

Answer 1

Not A - Internet is packet-switched, not circuit-switched. The packets might follow different paths.
Not B - The routers communicate with each other to determine the path.

C correct - The Internet Protocol or IP used by routers to send packets makes no guarantee that they will be delivered. It uses best-effort delivery.

Not D - See answer B above.

Answer 2

Answer:

C. A packet traveling between two computers on the Internet may be rerouted many times along the way or even lost or "dropped".

D. Routers act independently and route packets as they see fit.