Question 36
Regarding L2TP VPN, which of the following is wrong?
Question 37
An enterprise wants to build a server system and requires the following functions: 1. The enterprise needs to have its own dedicated mailbox, and the sending and receiving of emails needs to go through the enterprise's server; 2. The server must provide file transfer and access services. Users in different departments of the enterprise provide accounts with different permissions: 3. When the enterprise accesses the internal webpage of the enterprise, the enterprise can directly enter the domain name in the browser to access. To meet the above requirements, which of the following servers do enterprises need to deploy? ( )*
Question 38
about Internet users andVPNIn the description of access user authentication, which of the following is false?
Question 39
Which of the following is not a quintuple range?
Question 40
Security technology has different methods in different technical levels and fields. Which of the following devices can be used for network layer security? (multiple choice)