Computer Networking
RS-232-G

None of these
is an interface standard between Data terminal Equipment and Data Circuit Terminating Equipment
requires only 7 pin out of 25 in order to transmit digital data over public telephone lines
specifies only the mechanical characteristics of an interface by providing a 25-pin connector
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 rate at which the signal changes.
The number of bytes transmitted per unit time.
The number of bits transmitted per unit time.
None of these

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