Free CompTIA Network+ N10-009 Practice Question

Port 636 is used for LDAP over SSL, often referred to as LDAPS. It ensures that the communication between the LDAP client and server is encrypted, providing confidentiality and integrity to the data exchanged. This is crucial for preventing unauthorized access and eavesdropping. Port 389, while commonly used for LDAP, transmits data in plain text and thus is not suitable for environments where security is a concern. Port 443 is generally used for HTTPS traffic, and Port 53 is for DNS services, neither of which are relevant to secure LDAP communications.