A Class B network uses the subnet mask 255.255.248.0. What is the maximum…

2024

A Class B network uses the subnet mask 255.255.248.0. What is the maximum number of hosts that can be supported in each subnet?

  1. A.

    1022

  2. B.

    1023

  3. C.

    2046

  4. D.

    2047

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Show answer & explanation

Correct answer: C

  • Subnet mask 255.255.248.0 = /21

  • Host bits = 32 − 21 = 11

  • Maximum hosts per subnet = 211−2=2046

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