Multiple choice technology mainframe

Primary space allocated first and then if required Secondary space will be allocated. b. Secondary space allocated first and then if required Primary space will be allocated. c. Primary and Secondary space allocated at the time of Job starts execution. d. Primary and Secondary space allocated at the time of Step starts execution. Which statement(s) is TRUE?

  1. a & c

  2. b & d

  3. a, c, d

  4. a only
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

In JCL, primary space allocation occurs first when the job starts. Secondary space is allocated dynamically if needed during step execution when primary space is exhausted. Therefore both statements 'a' (Primary first, then Secondary if required) and 'c' (Primary allocated at job start) are correct.

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