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السؤال 339

What part of a packet radio frame contains the routing and handling information?

  1. Directory
  2. Preamble
  3. Headerالإجابة الصحيحة
  4. Trailer

الشرح

The header carries the addressing and control fields that tell the network where the frame is going and how to handle it; the trailer at the other end carries the frame check sequence used for error detection.

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السؤال 339: What part of a packet radio frame contains the routing and… · FCC General Class (Element 3) · Questena