Consider the following: //TU00001T JOB ATUT000,TU00001,CLASS=7,MSGCLASS=X,TIME=(,10) //STEP1 EXEC PGM=PROGRAM1,TIME=(,6) //STEP2 EXEC PGM=PROGRAM2 //STEP3 EXEC PGM=PROGRAM3,TIME=(,15) Which of the following statements are true:

technology mainframe

  1. Step 1 can use 6 seconds of CPU time.

  2. Step 2 has no time limitations.

  3. Step 3 can use 15 seconds of CPU time.

  4. Each step is limited to its specifically mentioned time, but the entire job can only use 10

Show answer
Correct Option: A,D

AI Explanation

To answer this question, let's go through each option to understand why it is correct or incorrect:

Option A) Step 1 can use 6 seconds of CPU time - This option is correct. In the JCL (Job Control Language) provided, STEP1 is specified to have a time limit of (,6), which means it can use up to 6 seconds of CPU time.

Option B) Step 2 has no time limitations - This option is incorrect. In the JCL provided, there is no specific time limit mentioned for STEP2. However, this does not mean that STEP2 has no time limitations. By default, if no time limit is specified, the STEP will have the same time limit as the overall job.

Option C) Step 3 can use 15 seconds of CPU time - This option is incorrect. In the JCL provided, STEP3 is specified to have a time limit of (,15), which means it can use up to 15 seconds of CPU time.

Option D) Each step is limited to its specifically mentioned time, but the entire job can only use 10 - This option is correct. In the JCL provided, the overall job (JOB statement) is specified to have a time limit of (,10), which means the entire job can only use 10 seconds of CPU time. Each individual step can have its own specific time limit, but the total time used by all the steps combined cannot exceed the time limit specified in the JOB statement.

Therefore, the correct answer is A, D.

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