Multiple choice

The National Airspace Data Interchange Network has used which protocol to interconnect remote airfields with air route traffic control centres?

  1. NCP

  2. LCP

  3. ISDN

  4. HDLC

  5. X.25
Reveal answer Fill a bubble to check yourself
E Correct answer
Explanation

The X.25 protocol, adopted as a standard by the Consultative Committee for International Telegraph and Telephone (CCITT), is a commonly-used network protocol. The X.25 protocol allows computers on different public networks to communicate through an intermediary computer at the network layer level.

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