A.Alarm

B.Detection

C.Real-time monitoring

D.Close service

A.Self-protection

B.Real-time update virus database

C.Shelling technology

D.Format the disk

A.Encryption of SSL VPN technology only takes effect on the application layer

B.SSL VPN technology is perfect for NAT traversal scenarios

C.SSL VPN requires dial client

D.SSL VPN technology expands the network range of enterprises

A.Plan->Check->Action->Do

B.Check->Plan->Do->Action

C.Plan->Do->Check->Action

D.Plan->Check->Do->Action

A.LNS assign private IP addresses for remote users.

B.After the remote user access the Internet, the L2TP tunnel connection request can be initiated directly from the remote LNS through the client software.

C.The remote users do not need to install VPN client software

D.The LNS device receives the user's L2TP connection request, and the user can be verified according to the username and password.