关于Windows server 2008 R2操作系统中DHCP的说法正确的是（ ）。A.DHCP服务器的租约期一定是8天B.网络中计算机只能使用dhcp server分配的地址，如果用户手动设置地址则一定不能使用网络C.当租约期过了一半时，客户机将释放自己的地址，重新寻服务器分配地址D.一旦租约超期，客户机将重新开始IP地址申请分配过程
关于Windows server 2008 R2操作系统中DHCP的说法正确的是（ ）。
A.DHCP服务器的租约期一定是8天
B.网络中计算机只能使用dhcp server分配的地址，如果用户手动设置地址则一定不能使用网络
C.当租约期过了一半时，客户机将释放自己的地址，重新寻服务器分配地址
D.一旦租约超期，客户机将重新开始IP地址申请分配过程
B.网络中计算机只能使用dhcp server分配的地址，如果用户手动设置地址则一定不能使用网络
C.当租约期过了一半时，客户机将释放自己的地址，重新寻服务器分配地址
D.一旦租约超期，客户机将重新开始IP地址申请分配过程
参考解析
解析：在Windows操作系统中，客户机在租约过半时，将联系DHCP服务器更新租约。而不是释放地址。一直等到超过租约，才重新开始IP地址的分配过程。
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