In a telephone system, the grade of service means – McqOptions

MCQOPTIONS

1.	In a telephone system, the grade of service means
A.	the quality of sound reception at the receiver telephone
B.	the probability that a called for connection is established
C.	the type of wires cables used for the system
D.	none of the above
Answer» C. the type of wires cables used for the system

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