Computer Networking
If one link fails, only that link is affected. All other links remain active. Which topology does this?

Star topology
Bus topology
Mesh topology
Physical topology

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Computer Networking
Carrier is

One or more conductors that serve as a common connection for a related group of devices
None of these
a collection of interconnected functional units that provides a data communications service among stations attached to the network
a continuous frequency capable of being modulated or impressed with a second signal
the condition when two or more sections attempt to use the same channel at the same time

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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?

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

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