一台Catalyst 6500和一台Catalyst 3548交换机的设备管理地址分别是213.78.3.20/24, 213.78.3.21/24,缺省路由地址都是213.783.1,下列这2台交换机的相关配置正确的是
A.
Switch-6500>(enable)set interface scO 213.78.3.20.255.255.255.0 213.78.3.255Switch-6500>(enable)set ip route 0.0.0.0 213.78 3.1 Switch-3548(config)#ip default-gateway 213.78.3.1Switch-3548(config)#interface scOSwitch-3548(config-if)#ip address 213.78.3.21 255.255.255.0
B.
Switch-6500>(enable)set interface sc0 213.78.3.20 255.255.255.0 213.78.3.255Switch-6500>(enable)set ip default gateway0.0.0.0 213.78.3.1Switch-3548(config)#ip default gateway 213.78.3.1Switch-3548(config)#interface vlanlSwitch-35-48(config if#ip address 213.78.3.21 255.255.255.0
C.
Switch 6500>(enable)set interface scO 213.78.3.20 255.255 255.0 213.78.3.255Switch-6500>(enable)set ip route 0.0.0.0 213.78.3.1Switch-3548(config)#ip default-gateway 213.78.3.1Switch-3548(config)#interface vlanlSwitch-3548(config-if)#ip address 213.78.3. 21 255.255.255.0
D.
Switch-6500>(enable)setintefacc se0 213.78.3 20 0.0.0.255 213.783.255Switch-6500>(enable)set ip Toute0.0.0.0. Switch-3548(config)#ip default-gateway 213.78.3.1Switch-3548(config)#interface vlanlSwitch-3548(config-if)#ip address 213.78.3. 21 0.0.0.255