Computer Networking
When a group of computers is connected together in a small area without the help of telephone lines, it is called

Remote communication network (RCN)
Value added network (VAN)
Wide area network (WAN)
None of these
Local area network(LAN)

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

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