Computer Networking
When a group of computers is connected together in a small area without the help of telephone lines, it is called

Value added network (VAN)
None of these
Wide area network (WAN)
Local area network(LAN)
Remote communication network (RCN)

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Computer Networking
RS-232-G

None of these
specifies only the mechanical characteristics of an interface by providing a 25-pin connector
requires only 7 pin out of 25 in order to transmit digital data over public telephone lines
is an interface between two data circuit terminating equipment as examplified by a local and remote modem
is an interface standard between Data terminal Equipment and Data Circuit Terminating Equipment

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Computer Networking
What is a stub network?

A network with more than one exit point.
A network with more than one exit and entry point.
A network with only one entry and no exit point.
A network that has only one entry and exit point.

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