When using an LDAP server as the authentication server, if you want to perform user authentication, which of the following operations needs to be performed on the data of the LDAP server?

Question

Options

• AQuery class
• BDelete class
• CWriting class
• DUpdate class

• A
  84% (38)
• B
  4% (2)
• C
  9% (4)
• D
  2% (1)

Explanation

When authenticating a user against an LDAP server, the system performs a query (search/bind) operation - it looks up the user's distinguished name (DN) in the directory and verifies the supplied credentials match the stored entry. No data is created, removed, or changed; authentication is inherently a read-only lookup.

• B (Delete) is wrong - authentication never removes directory entries; that would destroy user accounts.
• C (Write/Add) is wrong - authentication doesn't create new records; writing is used for provisioning, not verifying identity.
• D (Update/Modify) is wrong - authentication doesn't alter existing data; modifying attributes belongs to account management operations.

Memory tip: Think of LDAP authentication as "checking an ID" - you look at the card (query), you don't write on it, delete it, or replace it.

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