Computer Networking
RS-232-G

is an interface standard between Data terminal Equipment and Data Circuit Terminating Equipment
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
None of these
is an interface between two data circuit terminating equipment as examplified by a local and remote modem

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Computer Networking
"BAUD" rate means

The number of bits transmitted per unit time.
None of these
The number of bytes transmitted per unit time.
The rate at which the signal changes.

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