Computer Networking
Bandlimited signal is

All of these
a signal all of whose energy is contained within a finite frequency range
None of these
transmission of signals without modulation
simultaneous transmission of data to a number of stations

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Computer Networking
Which of the following statements is correct for the use of packet switching?

All of these
by employing wide bandwidth circuits for the trunk networks substantial economies through extensive sharing of capacity could be achieved.
the subdivision of information into individually addressed packets in conjunction with alternative routing arrangement enabled the transmission path to be altered in the event of congestion or individ
the employment of additional intelligence within the network enabled more sophisticated error control and link control procedures to be applied
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?

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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