Câu 2: ECSS: EC-Council Certified Security Specialist v9.0

VPN technology is structured on the basis of tunneling. It requires the setting up and upholding of a logical network connection. The packets built in a particular VPN protocol design are put in a nutshell inside another base or carrier protocol. They are then transmitted between the VPN client and the server and deencapsulated finally on the receiving side. Which of the following statements best describes the function of voluntary tunneling?

1. A. Managing of connection setup is carried out by the VPN client
2. B. Authenticates clients and relates them with certain VPN servers using logic built into the broker's device
3. C. Details of the VPN server's connectivity from the VPN clients are concealed
4. D. VPN connection is managed between the client and a VPN server — đáp án hiện tại