Multiple choice

In an IPv4 with a Subnet Mask of 255.255.192.0, how many bits are used to define network?

  1. 32

  2. 18

  3. 10

  4. 2
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

A subnet mask of 255.255.192.0 corresponds to 8 bits for the first octet, 8 bits for the second, and 2 bits for the third (192 is 11000000 in binary). Adding these together (8+8+2) results in 18 bits defining the network portion.

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