Which of the following description is correct about the sort of the call setup process for L2TP corridors?
1. L2TP tunnel
2. PPP connection
3. LNS authenticates users
4. Users accessintranet resources
5. Establish an L2TP session

Which of the following description is wrong about the Intrusion Prevention System (IPS)?

Firewall update signature database and Virus database online through security service center, requires the firewall can connect to the Internet first, and then need to configure the correct DNS addresses.

Which of the following is not the identity of the IPSec SA?

When the USG series firewall hard disk is in place, which of the following logs can be viewed? (Multiple Choice)