The primary source of error in data communications is:
A) echoes
B) intermodulation noise
C) spikes
D) attenuation
E) cross-talk
Correct Answer:
Verified
Q53: In a _ , more than one
Q54: Cross-talk:
A)occurs when one circuit picks up signals
Q55: On digital circuits, we use _ to
Q56: _can obliterate a group of bits, causing
Q57: _ is an effective way to prevent
Q59: In general, controlled approaches:
A)work better than contention
Q60: _ is an effective way to prevent
Q61: In communication protocols, _ are used to
Q62: In ARQ, a NAK:
A)is sent by the
Q63: Synchronous transmission:
A)cannot be used on multipoint circuits
B)is
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