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.