Computer Networking
After coding a document into a digital signal, it can be sent by telephone, telex or satellite to the receiver where the signal is decoded and an exact copy of the original document is made. What is it called?

None of these
Word processor
Telex
Electronic mail
Facsimile

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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?

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

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