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  3. Which command on router EzonexamA will assign the last usable IP address from the 192.168.32.128/28 subnetwork to a router inter

Which command on router EzonexamA will assign the last usable IP address from the 192.168.32.128/28 subnetwork to a router inter

admin2009-05-19  53
问题 Which command on router EzonexamA will assign the last usable IP address from the 192.168.32.128/28 subnetwork to a router interface?
A. EzonexamA(config-if)# ip address 192.168.32.142 255.255.255.240
B. EzonexamA(config-if)# ip address 192.168.32.143 255.255.255.240
C. EzonexamA(config-if)# ip address 192.168.32.158 255.255.255.240
D. EzonexamA(config-if)# ip address 192.168.32.145 255.255.255.240
E. EzonexamA(config-if)# ip address 192.168.32.144 255.255.255.240
F. EzonexamA(config-if)# ip address 192.168.32.158 255.255.255.240
G. None of the above
选项
答案A
解析 Explanation:
The last usable IP address would be 128 + (16-2) = 142 because only the last 4 bits of the last octet are used for host addressing.
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