Learn about the role of Multiple Console Support (MCS) consoles in z/OS mainframe systems for managing normal console operations and system messages.
Table of Contents
Question
____ Consoles are used by z/OS for normal console operations.
A. Multiple console support
B. Synchronous write to operator console
C. Extended MCS console
D. Hardware Management console
Answer
A. Multiple console support
Explanation
Multiple Console Support (MCS) consoles are used by z/OS for normal console operations. MCS allows multiple consoles to be used concurrently to manage the z/OS system.
Key points about MCS consoles:
- MCS provides support for multiple operator consoles to control the z/OS system simultaneously. This allows workload to be divided among different operators.
- MCS consoles receive system messages and allow operators to issue commands to the operating system. They are the primary interface for interacting with z/OS.
- MCS enables features like the ability to direct messages to specific consoles, configure routing codes to control message delivery, and define console attributes.
- Multiple types of MCS consoles exist, including physical MCS consoles (like 3270-type devices) and extended MCS consoles (software-based consoles).
So in summary, MCS consoles, managed by the Multiple Console Support (MCS) facility, are a core component of z/OS used for regular system operations, messaging, and command input. The other options listed – synchronous write to operator, extended MCS console, and HMC – do not accurately describe the overall console used for normal z/OS operations, making Multiple Console Support the correct answer.
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