作者child47 (child47)
看板TransCSI
標題[問題] 子網路問題
時間Mon Apr 10 19:12:26 2006
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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1F:→ xsque:答案d吧... 04/10 20:33
2F:→ xsque:沒事...看錯 應該c吧 04/10 20:38
3F:→ xsque:要問可用的 應該要去頭去尾吧 04/10 20:43
4F:→ xsque:不過 我又想想 或許比較新的題目不用去了吧= = 04/10 20:51
5F:推 Likefeeling:怎麼一堆人都說D?? 04/10 22:23
6F:→ xsque:直覺都選D吧 可是D頭去尾沒去 可以這樣去法嗎?高手請指教 04/10 23:02
7F:→ child47:(C)選項不是第一個subnet 04/11 00:36
8F:→ child47:我看另一本考題答案是無解,它解1 through 30 04/11 00:37
9F:推 Likefeeling:1~30 沒有錯 0跟31不可以使用... 04/11 03:45