CompTIA
N10-005 · Question #633
Which of the following default services uses TCP/UDP port 88?
The correct answer is D. Kerberos. Kerberos, the network authentication protocol used in Active Directory and many enterprise environments, uses TCP and UDP port 88. It provides mutual authentication between clients and services using tickets. LDAP uses port 389, IGMP is a network-layer protocol with no…
Networking concepts
Question
Which of the following default services uses TCP/UDP port 88?
Options
- ALDAP
- BIGMP
- CHTTP
- DKerberos
How the community answered
(34 responses)- A6% (2)
- B3% (1)
- C3% (1)
- D88% (30)
Explanation
Kerberos, the network authentication protocol used in Active Directory and many enterprise environments, uses TCP and UDP port 88. It provides mutual authentication between clients and services using tickets. LDAP uses port 389, IGMP is a network-layer protocol with no transport port, and HTTP uses port 80.
Topics
#Kerberos#port 88#authentication protocols#protocol ports
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