Learn the correct command to change a job or address space’s service class in mainframe systems. Discover the syntax and parameters to effectively manage workload performance.
Table of Contents
Question
Which command is uesd to change a job/address space’s service class
A. E SRVCLASS, JOBNAME, XXXXX
B. E SRVCLASS, JOBNAME=XXXXX
C. E JOBNAME,SRVCLASS=XXXXX
D. none
Answer
The correct command to change a job or address space’s service class in a mainframe environment is:
C. E JOBNAME,SRVCLASS=XXXXX
Explanation
To break it down:
- “E” is the command used to change various attributes of a job or address space.
- “JOBNAME” specifies the name of the job or address space whose service class you want to change.
- “SRVCLASS=XXXXX” indicates that you are changing the service class, with “XXXXX” being the name of the new service class you want to assign.
Using this command, you can dynamically alter the service class of a running job or address space, which allows you to manage workload performance by assigning appropriate resources and priorities.
The other options provided are incorrect because:
- Option A uses incorrect syntax by separating the job name and service class with a comma.
- Option B uses the wrong syntax for specifying the job name and service class.
- Option D suggests that none of the provided commands are correct, which is not true.
By using the “E JOBNAME,SRVCLASS=XXXXX” command, mainframe operators and performance analysts can effectively manage and optimize the performance of jobs and address spaces in real-time.
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