CompTIA
N10-009 · Question #242
Which of the following ports creates a secure connection to a directory service?
The correct answer is D. 636. LDAP (Lightweight Directory Access Protocol) uses port 389 for standard connections and port 636 for LDAP over SSL (LDAPS), which secures directory service communication.
Submitted by kev92· Mar 6, 2026Network Security
Question
Which of the following ports creates a secure connection to a directory service?
Options
- A22
- B389
- C445
- D636
How the community answered
(51 responses)- A6% (3)
- B2% (1)
- C2% (1)
- D90% (46)
Explanation
LDAP (Lightweight Directory Access Protocol) uses port 389 for standard connections and port 636 for LDAP over SSL (LDAPS), which secures directory service communication.
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