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Question 6Asked in DSSSB TGT Computer Science (Technical), 13 Sep 2025, Shift 3 (5:00 PM)

What mechanism is used by TCP to establish a reliable connection?

  1. AThree-way handshake
  2. BSimple handshake
  3. CFour-way handshake
  4. DTwo-way handshake
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Correct answer: (A) Three-way handshake

Explanation

TCP sets up a connection with a three-way handshake (SYN, SYN-ACK, ACK). The two sides agree on initial sequence numbers before data is sent.

From DSSSB TGT Computer Science PYQ (Technical), 13 Sep 2025, Shift 3 (5:00 PM)

This is question 6 of DSSSB TGT Computer Science PYQ (Technical), 13 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.