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Question 67Asked in UGC NET Computer Science, June 2015 (Paper II & III, Selected Questions)

Which are the two modes of IP security?

  1. ATransport and certificate
  2. BTransport and tunnel
  3. CCertificate and tunnel
  4. DPreshared and transport
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Correct answer: (B) Transport and tunnel

Explanation

Transport mode:- IP header, IPSec, headers IP payload. Tunnel Mode:- New IP header, IPSec, headers, old IP header, IP payload. IP Sec can be implemented in a host-to-host transport mode, as well as in network tunning mode.

From UGC NET Computer Science PYQ, June 2015 (Paper II & III, Selected Questions)

This is question 67 of UGC NET Computer Science PYQ, June 2015 (Paper II & III, Selected Questions). 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.