三、應(yīng)用題（共20分）。
應(yīng)用題必須用藍、黑色鋼筆或者圓珠筆寫在答題紙的相應(yīng)位置上，否則無效。
答案：（1）①59.67.147.132/30 ；②59.67.147.128/30
③59.67.147.64/28；④59.67.147.48/28
⑤59.67.156.0/22；⑥59.67.148.0/22
答案：（2）SNMP
子網(wǎng)網(wǎng)絡(luò)地址子網(wǎng)掩碼可用IP地址段
子網(wǎng)1
（25臺）59.67.149.192/27255.255.255.24459.67.149.193~59.67.149.222
子網(wǎng)2
（25臺）59.67.149.224/27255.255.255.22459.67.149.225~59.67.149.254
子網(wǎng)3
（55臺）59.67.149.128/26255.255.255.19259.67.149.129~59.67.149.190
答案：（3）