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.
Part of the command is missing.
You cannot have a space between serial and 0/0.
You need to be in privileged mode.

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Computer Networking
Bandlimited signal is

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

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Computer Networking
Which of the following is true when describing an anycast address?

These addresses are meant for nonrouting purposes, but they are almost globally unique so it is unlikely they will have an address overlap.
Packets are delivered to all interfaces identified by the address. This is also called one-to-many addresses.
This address identifies multiple interfaces and the anycast packet is only delivered to one address. This address can also be called one-to-one-of-many.
Packets addressed to a unicast address are delivered to a single interface.

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Computer Networking
Demodulation is the process of

None of these
converting analog signals to digital signals
dividing the high-speed signals into frequency bands
converting digital signals to analog signals
combining many low speed channels into one high speed channel

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