Multiple choice

In DQDB, there are ____ buses.

  1. two

  2. three

  3. four

  4. many
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A Correct answer
Explanation

The acronym DQDB stands for Distributed Queue Dual Bus. As the name implies, the architecture relies on exactly two unidirectional buses to facilitate communication between all connected nodes. One bus handles traffic in one direction, while the second bus handles traffic in the opposite direction.

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