Question

What is a CICS transaction?

A. The amount of data transferred by executing a single CICS command
B. A request issued by a synch point manager
C. A unit of work initiated by a single request
D. A request issued by a resource manager

Answer 1

A CICS transaction refers to a single unit of work initiated by a user's request in a CICS application. It represents an atomic set of operations that ensure data consistency and integrity.

Step-by-step explanation:

A CICS transaction is C. A unit of work initiated by a single request. This means that it is an instance of a user request to a CICS (Customer Information Control System) application. CICS is a mixed-language application server that provides online transaction management and connects users to applications. When a transaction is triggered, it can access and update shared data and resources. Each CICS transaction is intended to be executed atomically, which guarantees that all operations within a transaction either complete successfully as a unit or are all rolled back if any part of the transaction fails. This ensures the consistency and integrity of data.