Computer Networking
The term 'duplex' refers to the ability of the data receiving stations to echo back a confirming message to the sender. In full duplex data transmission, both the sender and the receiver

None of these
can do one way data transmission only
cannot talk at once
can send or receive data one at a time
can receive and send data simultaneously

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

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