Multiple choice technology web technology

Which of the following are the functions of the Queue Manager?

  1. It manages queues of messages for application programs

  2. It coordinates updates to databases and queues using a two-phase commit

  3. It segments messages (if necessary) and assembles them.

  4. It provides an application programming interface, the Message Queue Interface (MQI).
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A Correct answer
Explanation

The Queue Manager's primary function is to manage queues of messages for application programs. The two-phase commit coordination (B) is handled by transaction managers, not the queue manager itself. Message segmentation/reassembly (C) is typically done by messaging channels. The MQI API (D) is provided by client libraries, not the queue manager.

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