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Question 88Asked in DSSSB TGT Computer Science (Technical), 12 Sep 2025, Shift 3 (5:00 PM)

Which protocol enables presence detection, contact management, and real-time messaging

Which protocol enables presence detection, contact management, and real-time messaging in instant messaging applications?
  1. AIMAP (Internet Message Access Protocol)
  2. BSIP (Session Initiation Protocol)
  3. CXMPP (Extensible Messaging and Presence Protocol)
  4. DIRC (Internet Relay Chat)
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Correct answer: (C) XMPP (Extensible Messaging and Presence Protocol)

Explanation

XMPP (Jabber) is an open XML-based protocol for instant messaging, presence (online status) and contact lists (rosters). IMAP is for email, and SIP sets up calls.

From DSSSB TGT Computer Science PYQ (Technical), 12 Sep 2025, Shift 3 (5:00 PM)

This is question 88 of DSSSB TGT Computer Science PYQ (Technical), 12 Sep 2025, Shift 3 (5:00 PM). See all questions of this paper with answers, or attempt the paper as a timed online test to get your score and all-India rank.