Why are serial connections preferred over parallel connections for long transmission lengths?
- Parallel connections do not support error checking.
- Parallel connections are subject to excessive attenuation.
- Parallel connections are subject to clock skew and to crosstalk between wires.
- Parallel connections transmit over only two wires and therefore transmit data more slowly.
Exam with this question: CCNA Exploration 4: EWAN Chapter 2 Exam
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