A.網(wǎng)段地址和主機地址 B.主機地址和網(wǎng)絡(luò)掩碼 C.網(wǎng)段地址和網(wǎng)絡(luò)掩碼
A.10米 B.100米 C.185米 D.200米
A.backup state-down 8 state-up 60 B.backup state-down 60;backup state-up 8 C.backup state-down 8;backup state-up 60 D.backup state-down 8;backup state-up time 60