QUEUES:
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1. What are the Different Types of Queues ?

ANS :
1) Initiation Queue : These are the queues to temporarily store a Trigger
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Message sent by the Q manager
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2) Transmission Queue : Its a Q where messages are stored temporarily destined
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for a remote Q manager.We must define at least one Transmission Q for each Remote Q manager to which the messages has to be sent by a local Q manager.

3) Cluster Transmission Queue : Each Q manager within a cluster send messages
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to SYSTEM.CLUSTER.TRANSMIT.QUEUE.A definition of this queue is created when Q manager is created by default.

4) Dead Letter Queue : Its a Q that can store messages not delivered to correct
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destination.SYSTEM.DEAD.LETTER.QUEUE

5) Command Queues:  Command Q ,SYSTEM.ADMIN.COMMAND.QUEUE, is a local Q to
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which applications can send MQSC commands for processing.These commands are processed by the command server and response is sent back to the Reply-to Q.
                  

6) Reply-to queues : It is a Q used by an application to receive messages sent
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by another application.Its a Local Q to the sending application and specified as part of the message descriptor of sending application.

7) Event Queues :