以IP地址192.168.145.177/27为例,该地址所处网段中实际可用地址范围为:()
A:192.168.145.129―192.168.145.190
B:192.168.145.161―192.168.145.175
C:192.168.145.160―192.168.145.191
D:192.168.145.161―192.168.145.190
出自:移动综合接入专业考试