73·STUDY

Extra exam question E2D08

Subelement E2, OPERATING PROCEDURES· Group E2D

E2D08

What type of packet frame is used to transmit APRS beacon data?

  • A.Acknowledgement
  • B.Burst
  • C.Unnumbered Information (correct answer)
  • D.Connect

WhyAPRS beacon data is carried in an Unnumbered Information packet frame. APRS beacon data is carried in an AX.25 Unnumbered Information (UI) frame, a connectionless frame type well suited to broadcasting position and status data without needing to establish a two-way link first, answer C. Acknowledgement, burst, and connect frame types serve different purposes within packet protocols and aren't what carries APRS beacons.

Published 2026-08-28 · Last updated 2026-08-28 · Question text is verbatim from the 2024-2028 NCVEC Element 4 pool (public domain); the explanation above is original writing, see our methodology.

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