Multiple choice

In DQDB, data transfer is done

  1. from left to right

  2. from right to left

  3. both (1) and (2)

  4. none of these
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

DQDB (Distributed Queue Dual Bus) consists of two unidirectional buses that carry data in opposite directions. This dual-bus configuration allows nodes to transmit data to any other node on the network by choosing the appropriate bus. Consequently, data transfer can be viewed as occurring in both directions across the network span.

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