電腦網路 子網路切割 - 考試

By Gary
at 2015-06-10T20:22
at 2015-06-10T20:22
Table of Contents
我想問一題 想不太出來
有一個B級網路位址是 141.45.67.189
subnet mask 255.255.255.128
問題: 請問該網域最多能有幾個subnet
我的點是B級網路 前面16個bit 卡死 141.45.0.0 這樣
能變得是後面16 但為什麼這題答案最多只能切512個subnet
是因為子網域遮罩 /25 的問題嗎 我有看知識+有人回答
25-16 =9 2^9=512
難道不能再借1 BIT在繼續切下去嗎 謝謝
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