某單位IP地址需求數(shù)如下表所示,給定地址192.168.1.0/24,按照可變長(zhǎng)子網(wǎng)掩碼的設(shè)計(jì)思想,部門(mén)3的子網(wǎng)掩碼為()
A.255.255.255.128 B.255.255.255.192 C.255.255.255.224 D.255.255.255.240
A.202.117.110.94B.202.117.110.95C.202.117.110.96D.202.117.110.97