DB_Chapter 9 Sequence 3

Question 1

You run a ping and it fails. You are certain that all your routers and hosts are connected. The distant end even says that you are connected. What could be the issue why the ping failed? Pg 285

Answer 1

Most likely one of the remote routers does not have the route back to your network. So that ping packet gets dropped on the return trip.

Question 2

T or F. When You send information to Bob through the network, Bob’s hardware address is used in your default gateway’s Ethernet interface. Pg 286

Answer 2

False, the destination hardware address used is the default gateway ‘s Ethernet interface.

Question 3

T or F. If multiple hosts are talking to the server using http, they all must use a different source port number in order to keep the data separate at the transport layer. Pg 287

Answer 3

True.

Question 4

What do routers and Ethernet devices check to see where they need to send its information to its destination? Pg 284

Answer 4

They check the ARP Cache