Multiple choice technology mainframe

What is the purpose of DD DUMMY statement

  1. Marks a deleted DD statement

  2. Begins an interpreted command stream

  3. Specifies no space allocation & no disposition processing

  4. Suppress command processing

Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

The DD DUMMY statement in JCL is used to allocate no space and perform no disposition processing. It's typically used to satisfy JCL syntax requirements when no actual dataset allocation is needed, or to bypass certain data definition requirements without creating physical datasets.

AI explanation

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

Option A) Marks a deleted DD statement - This option is incorrect. The purpose of the DD DUMMY statement is not to mark a deleted DD statement.

Option B) Begins an interpreted command stream - This option is incorrect. The purpose of the DD DUMMY statement is not to begin an interpreted command stream.

Option C) Specifies no space allocation & no disposition processing - This option is correct. The DD DUMMY statement is used to specify that no space allocation should be performed and no disposition processing should be done for the DD statement.

Option D) Suppress command processing - This option is incorrect. The purpose of the DD DUMMY statement is not to suppress command processing.

The correct answer is C) Specifies no space allocation & no disposition processing. This option is correct because the DD DUMMY statement is used to specify that no space allocation should be performed and no disposition processing should be done for the DD statement.