Multiple choice technology mainframe

For a data set defined with NOERASE, which of the following is not true?

  1. a) Desirable for sensitive data

  2. b) Removes catalog entries

  3. c) All the above

  4. d) None
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

NOERASE specifies that data is not physically overwritten with binary zeros when the VSAM dataset is deleted, leaving raw data on disk. Heat-sensitive or confidential data requires the ERASE parameter to ensure complete destruction. Thus, NOERASE is not desirable for sensitive data, which makes statement a not true.

AI explanation

To answer this question, we need to understand what the NOERASE option does in relation to a data set.

The NOERASE option is used when defining a data set to prevent data from being overwritten or erased when new data is written to the data set. It is commonly used for sensitive data that should not be modified or deleted.

Let's go through each option to understand why it is correct or incorrect:

Option A) Desirable for sensitive data - This option is incorrect because the NOERASE option is indeed desirable for sensitive data. It ensures that the data remains intact and is not accidentally erased or modified.

Option B) Removes catalog entries - This option is incorrect because the NOERASE option does not remove catalog entries. It only prevents data from being overwritten or erased.

Option C) All the above - This option is incorrect because both Option A and Option B are true. Therefore, this statement is also true.

Option D) None - This option is correct because the statement "None" implies that all of the options are true, which is not the case. Option A is not true because the NOERASE option is desirable for sensitive data.

The correct answer is A) Desirable for sensitive data.

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