A.When this router is configured, the ospf process number is not configured

B.The area configured by this routerID and its neighbor router areaID is different

C.This router did not announce the network connected to neighbors when configuring ospf

D.This router is not configured with authentication function but the neighbor router is configured with authentication function

A.4000-4999

B.1000-1999

C.2000-2999

D.3000-3999

A.The system file cannot be modified when the device is started next time

B.The running configuration file is not saved

C.The system file used by the device this time is ar2220-v200r003c00spc00.cc

D.next system startup file system can use the command "startup system software <startup-software-name>" to modify

A.Divide vlan by access member structure

B.Divide VLAN by geographical area

C.Divide VLAN by business

D.Divide VLAN by logical area

A.Client3 belongs to VLAN30, and the command for dividing VLAN on the switch is correct

B.Client2 belongs to VLAN20, and the switch based on the MAC address division command is correct

C.Client4 belongs to VLAN40, and the command for dividing VLAN on the switch is correct

D.Client1 belongs to VLAN10, and the command for dividing VLAN on the switch is correct