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

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

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Computer Networking
Bus is

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

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