A Class C network uses subnet mask 255.255.255.224. How many usable hosts per subnet?
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Correct answer: (C) 30
Explanation
/27 → 2^5 − 2 = 30.
From DSSSB TGT Computer Science Full Mock Test 2
This is question 171 of DSSSB TGT Computer Science Full Mock Test 2. 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.