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Community QuestionSeen on 14 CBTs

Lightweight Directory Access Protocol (LDAP)

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a standardized directory access protocol that allows queries to be made of directories (specifically, pared down X.500-based directories). If a directory service supports LDAP, you can query that directory with an LDAP client, but it's LDAP itself that is growing in popularity and is being used extensively in online white and yellow pages. Main access protocol used by Active Directory. It operates, by default, at port 389. LDAP syntax uses commas between names. LDAP breach can be quite serious, so many use secure LDAP (LDAPS), all communications are encrypted with SSL/TLS and port 636 is used.

Alternate answers seen on other CBTs

The same question shows up worded slightly differently across CBT versions. Here are the other answer variants we've indexed.

Port 389

Comptia A+ Port Numbers →

an open and cross platform protocol used for directory services authentication

Comptia Exam Objectives Security+ →

Information from media (newspapers, television), public government reports, professional and academic publications, and other openly available.

Comptia Sec+ 601 Exam Objectives →

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