Computer Networking
Business meeting and conferences can be held by linking distantly located people through a computer network. Not only the participants exchange information but are able to see each other. What is it called?

Telemailing
Telemeeting
Teleconferencing
Teletalking
None of these

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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.
You cannot have a space between serial and 0/0.
Part of the command is missing.

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