Computer Networking
Which of the following might be used by a company to satisfy its growing communications needs?

controller
concentrator
multiplexer
All of these
front-end processor

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

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

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Computer Networking
Bandlimited signal is

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

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