Question

What is the primary function of the CICS (Customer Information Control System) in mainframe computing?

A To provide an interface for database management and data storage on mainframes.
B To manage and control transaction processing and provide online transaction processing (OLTP) capabilities.
C To facilitate network communication and manage data exchange between different mainframe systems.
D To handle graphical user interface (GUI) design and user interaction on mainframe systems.
E To optimize system performance by managing memory allocation and CPU usage.
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