Computer Networking
Which configuration command must be in effect to allow the use of 8 subnets if the Class C subnet mask is 255.255.255.224?

Router (config) #ip subnet-zero
Router (config) #ip classless
Router (config) #no ip classful
Router (config) #ip unnumbered

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Computer Networking
Demodulation is the process of

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

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Computer Networking
Carrier is

None of these
the condition when two or more sections attempt to use the same channel at the same time
a continuous frequency capable of being modulated or impressed with a second signal
a collection of interconnected functional units that provides a data communications service among stations attached to the network
One or more conductors that serve as a common connection for a related group of devices

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