CICS Interview Questions and Answers
Ques 16. Explain the difference between a transient data queue and a temporary storage queue in CICS.
Transient data queues hold data within a task and are deleted when the task ends. Temporary storage queues persist data even after the task terminates.
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Ques 17. What is the CEMT transaction used for in CICS?
CEMT (CICS Execution Management Transaction) is used for monitoring and managing CICS resources, transactions, and tasks during runtime.
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Ques 18. Explain the purpose of the COMMAREA in a CICS program.
The COMMAREA (Communication Area) is a reserved area for passing data between cooperating programs in a CICS transaction.
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Ques 19. What is the significance of the EXEC CICS RETURN command?
EXEC CICS RETURN is used to explicitly terminate a CICS program and return control to the calling program or transaction.
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Ques 20. How can you handle deadlock situations in CICS?
Deadlocks can be handled by defining proper timeouts, using SYNCPOINT and HANDLE CONDITION, or implementing deadlock detection and resolution mechanisms.
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