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Question 127Asked in BPSC TRE 3.0 (2024) Computer Science Class 11-12

What is the purpose of a subnet mask in TCP/IP networking?

  1. ATo identify the network portion of an IP address
  2. BTo identify the host portion of an IP address
  3. CTo convert IP addresses into domain names
  4. DMore than one of the above
  5. ENone of the above
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Correct answer: (D) More than one of the above

Explanation

The subnet mask separates an IP address into its network and host portions: the 1 bits mark the network part and the 0 bits mark the host part. So A and B are both correct.

From BPSC TRE 3.0 (2024) Computer Science Class 11-12 — Previous Year Paper

This is question 127 of BPSC TRE 3.0 (2024) Computer Science Class 11-12 — Previous Year Paper. 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.