What master catalog entry relates to the name of a user catalog?

  1. HLQ

  2. VVDS

  3. ALIAS

  4. Alternate index


Correct Option: C

AI Explanation

To answer this question, you need to understand the concept of master catalog and user catalog.

In a mainframe environment, the master catalog contains information about all the datasets and catalogs in the system. A user catalog, on the other hand, is a catalog created by a specific user to organize their datasets.

The master catalog entry that relates to the name of a user catalog is called an "ALIAS" entry.

Option A) HLQ - This option is incorrect because HLQ stands for High-Level Qualifier, which is a naming convention used to group related datasets together.

Option B) VVDS - This option is incorrect. VVDS stands for Virtual Volume Data Set, which is used to store information about virtual volumes.

Option C) ALIAS - This option is correct. An ALIAS entry in the master catalog is used to associate a user catalog name with the actual catalog dataset.

Option D) Alternate index - This option is incorrect. An alternate index is a type of index used in VSAM datasets.

The correct answer is C) ALIAS. This option is correct because an ALIAS entry is used to relate the name of a user catalog in the master catalog.

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