DNS uses which port number?
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Correct answer: (A) 53
Explanation
DNS = 53; SMTP = 25; POP3 = 110; DHCP = 67/68.
From DSSSB TGT Computer Science Full Mock Test 1
This is question 171 of DSSSB TGT Computer Science Full Mock Test 1. 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.