A. This router is not configured with the number OSPF

B. The router's announcement network address does not match the interface mask.

C. The area configured by this router is different from the area ID ID of its home router.

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

A. SNMPv1 has no privacy and uses community for authentication

B. SNMPv2c has privacy and uses usernames for authentication

C. SNMPv3 has privacy and uses community for authentication

D. SNMPv2c has privacy and uses usernames for authentication

E. SNMPv3 has privacy and uses usernames for authentication

A. VPN PE PE, the VPN route is exchanged between the ingress and the egress.

B. ASBR VPNV4, VPNv4 does not save routes, and does not advertise between routes.

C. Reporting Forwarding Layer Labels Up to two are required in the script.

D. Cross-domain mode is not suitable when using multiple VPN-Option-c ASs.

A. TRUE

B. FALSE

A. Use sequence authentication ID. MD5 Hash random number and secret key algorithm to calculate a value

B. CHAP authentication authentication must be configured under the user interface

C. It requires three texts to report authentication, and only send the name on the network instead of sending the password.

D. If the party does not have a username authentication account, the endpoint interface may not be configured with a password.