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 192.168.32.142 255.255.255.240B. EzonexamA(config-if) ip address 192.168.32.143 255.255
题目
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
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参考答案和解析
正确答案：A
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.
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.