單項選擇題公司要求修改“eth0網(wǎng)卡”的IP地址172.16.22.8和子網(wǎng)掩碼255.255.255.128的命令:()

A.ifconfigeth0172.16.22.8netmask255.255.255.128
B.ifconfig172.18.48.56netmask255.255.255.128
C.ifdowneth0172.16.22.8netmask255.255.255.128
D.ifconfigup172.18.48.56netmask255.255.255.128


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