Which of the following protocols is used as a signaling protocol for the initial connection between hosts, but does not participate in data transfer during the session?
A) NTP
B) LDAP
C) TFTP
D) SIP

Question

Quizplus · Accepted Answer

SIP (Session Initiation Protocol) is a signaling protocol used for establishing sessions between hosts, often used in VoIP (Voice over Internet Protocol) communication. SIP is responsible for initiating, modifying, and terminating sessions, but does not participate in the actual data transfer during the session. NTP (Network Time Protocol) is used for time synchronization between hosts, LDAP (Lightweight Directory Access Protocol) is used for accessing directory services, and TFTP (Trivial File Transfer Protocol) is used for transferring small files.

Which of the Following Protocols Is Used as a Signaling