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IBM MQ v9.4 Administrator - Professional Sample Questions:

1. In a large enterprise, administrators configure channel exits to enforce security policies on communication links. What is the main role of a channel exit program in IBM MQ?

A) To manage message expiry intervals before they reach the queue
B) To provide built-in encryption for persistent messages
C) To apply custom logic such as authentication or auditing on channel data
D) To replicate messages across multiple clusters automatically

2. When securing IBM MQ communication channels between queue managers, which combination of configuration ensures both authentication of connecting queue managers and encryption of messages in transit?

A) Defining SSL/TLS on the channel and configuring CHLAUTH rules to allow only trusted queue managers
B) Relying on operating system file permissions for queue storage
C) Using channel exit programs only
D) Enabling non-persistent message delivery to reduce interception risk

3. In IBM MQ, when integrating multiple applications across different operating systems, which feature ensures that messages can be exchanged reliably and securely while supporting automatic reconnection in case of network interruptions?

A) Application-level error handling only
B) Shared memory queues
C) Channels with automatic client reconnection and SSL encryption
D) Non-persistent messaging without transactions

4. For large-scale IBM MQ environments, which administration tool provides a centralized interface for managing multiple queue managers, monitoring queue depths, viewing message details, and performing configuration changes, while also supporting both GUI and command-line scripting for advanced operations?

A) runmqsc command line interface only
B) MQSC scripting without GUI
C) Dead-letter queue management script
D) IBM MQ Explorer

5. What is the significance of dead-letter queues in IBM MQ, how are they configured, and what role do they play in handling messages that cannot be delivered to their intended destination due to errors such as full queues, non-existent queues, or permission issues?

A) Dead-letter queues automatically retry failed messages indefinitely until successful delivery.
B) Dead-letter queues encrypt all messages to prevent data leakage during delivery failures.
C) Dead-letter queues store successfully delivered messages as a backup for auditing.
D) Dead-letter queues temporarily hold messages that fail delivery due to issues like non-existent queues, full queues, or authorization errors, allowing administrators to review and resolve problems.

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