Computer Networking
The fundamental requirements of private-to-public network interconnection methods which need to be provided in gateways is/are

to assign address to private network DTEs
universal accessibility for private network Data Terminal Equipment (DTE)
None of these
adequate cost control mechanisms for administration of the private networks
A and B both

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Computer Networking
Demodulation is the process of

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

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