Computer Networking
You are trying to decide which type of network you will use at your office, and you want the type that will provide communication and avoid collisions on the cable. Which of the following is the best choice?

CSMA/CD
Token-Ring
CSMA/CA
ARCnet
Ethernet

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Computer Networking
You type the following command into the router and receive the following output:Router#show serial 0/0 ^% Invalid input detected at '^' marker.Why was this error message displayed?

You need to be in privileged mode.
Part of the command is missing.
You cannot have a space between serial and 0/0.
The router does not have a serial0/0 interface.

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