Given network address 200.12.30.0 with network mask 255.255.255.0, which subnet mask can be used to create 12 subnetworks? Each subnetwork must support 10 host addresses.

The correct answer is C. /28. You've hit your weekly limit · resets 5am (America/New_York)

Network Addressing

Question

Options

A/25
B/26
C/28
D/30

How the community answered

(42 responses)

A
10% (4)
B
5% (2)
C
71% (30)
D
14% (6)

Explanation

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Topics

#subnetting#subnet mask#/28#host calculation

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