You have a 255.255.252.0 mask. Which of the following is the valid CIDR notation?

A) /20
B) /21
C) /22
D) /23

C
Explanation: C) The 255.255.252.0 mask converts to 11111111 11111111 11111100 00000000 in binary, which includes 22 mask bits.

Computer Science & Information Technology

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