多项选择题

Which three statements about the Cisco Easy VPN feature are true？（）

A.If the VPN server is configured for Xauth， the VPN client waits for a username / password challenge.
B.The Cisco Easy VPN feature only supports transform sets that provide authentication and encryption.
C.The VPN client initiates aggressive mode （AM） if a pre-shared key is used for authentication during the IKE phase 1 process.
D.The VPN client verifies a server username/password challenge by using a AAA authentication server that supports TACACS+ or RADIUS.
E.The VPN server can only be enabled on Cisco PIX Firewalls and Cisco VPN 3000 series concentrators.
F.When connecting with a VPN client，the VPN server must be configured for ISAKMP group 1，2 or 5.

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单项选择题

Refer to the exhibit.

Which statement about the authentication process is true？（）

A.The LIST1 list will disable authentication on the console port.
B.Because no method list is specified， the LIST1 list will not authenticate anyone on the console port.
C.All login requests will be authenticated using the group tacacs+ method.
D.All login requests will be authenticated using the local database method.
E.The default login authentication will automatically be applied to all login connections.

单项选择题

Refer to the exhibit. What type of security solution will be provided for the inside network？（）

A.The TCP connection that matches the defined ACL will be reset by the router if the connection does not complete the three-way handshake within the defined time period.
B.The router will reply to the TCP connection requests. If the three-way handshake completes successfully， the router will establish a TCP connection between itself and the server.
C.The TCP traffic that matches the ACL will be allowed to pass through the router and create a TCP connection with the server.
D.The router will intercept the traceroute messages. It will validate the connection requests before forwarding the packets to the inside network.

多项选择题

Refer to the exhibit.

What are the two options that are used to provide High Availability IPsec？（）

A.RRI
B.IPsec Backup Peerings
C.Dynamic Crypto Ma
D.HSRP
E.IPsec Stateful Switchover （SSO）
F.Dual Router Mode （DRM） IPsec