Why are serial connections preferred over parallel connections for long transmission lengths?

IT Questions BankCategory: CCNA 4 v4Why are serial connections preferred over parallel connections for long transmission lengths?

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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