C1000-200 試験問題を無料オンラインアクセス

When multiple applications need to process messages from the same queue concurrently in IBM MQ, which feature ensures that each message is consumed only once, while allowing parallel processing to improve throughput, and how does it maintain message order within a group?

• A.Queue Grouping distributes messages among consumers so that each message is processed by only one application and maintains ordering within defined groups.
• B.Clustering replicates messages to all queue managers, allowing every consumer to process each message.
• C.Dead Letter Queues store undelivered messages but do not manage parallel consumption.
• D.Shared queues allow all consumers to read the same messages, which may lead to duplication.

IBM MQ provides different types of queues. Which queue type is specifically designed to hold messages that cannot be delivered successfully to their intended destination despite repeated attempts?

• A.Transmission Queue
• B.Alias Queue
• C.Dynamic Queue
• D.Dead Letter Queue

In IBM MQ, which mechanism allows messages that cannot be delivered due to errors such as queue full, queue does not exist, or authorization failures to be captured in a separate queue, and what configuration is necessary to ensure these messages are properly handled for analysis or retry?

• A.Dead Letter Queue captures undeliverable messages and requires the queue manager's DLQ parameter to specify its target queue.
• B.Multi-instance queue managers provide failover for delivery but do not redirect failed messages.
• C.Persistent queues store messages reliably but do not handle undeliverable messages.
• D.Queue Grouping automatically redistributes messages to other consumers if delivery fails.

Which statement accurately describes how IBM MQ handles message prioritization, including how priority values assigned to messages affect the order of delivery, how queues handle messages with different priorities, and the impact on processing efficiency and application performance?

• A.MQ ignores message priority and delivers messages in the order they arrive
• B.MQ processes all messages at the same priority and cannot reorder them
• C.MQ only uses priority for logging and auditing purposes
• D.MQ supports message priority, where messages with higher priority values are delivered before lower priority ones, improving processing efficiency for critical messages

How does IBM MQ handle message persistence, and what are the trade-offs between using persistent messages versus non-persistent messages in terms of performance, reliability, and resource usage?

• A.Persistent messages are stored on disk to survive crashes, ensuring reliability but with higher I/O overhead; non-persistent messages exist in memory for faster performance but are lost on failure.
• B.Non-persistent messages are automatically replicated for reliability, while persistent messages are lost on system crash.
• C.Both persistent and non-persistent messages are stored on disk, with no difference in reliability.
• D.Persistent messages are only used in clustering, while non-persistent messages are for local queues.