Computer Networking
RS-232-G

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

ANSWER DOWNLOAD EXAMIANS APP

Computer Networking
MAC is

None of these
a very common bit-oriented data link protocol issued to ISO.
a method access control technique or multiple-access transmission media
a method of determining which device has access to the transmission medium at any time
network access standard for connecting stations to a circuit-switched network

ANSWER DOWNLOAD EXAMIANS APP