[問題] 子網路問題
If three bits are borrowed from host field of a class C network ,
what will the rangeof usable hosts be in the first subnet?
(a).32 through 0.63
(b).0 through .32
(c).33 through 0.62
(d).1 through .31
答案是(a),為何不是0~31呢?(雖然沒有這個選項)
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