Which of the following provides access to one or more applications through a single centralized interface?

A. Remote access portal
B. Virtual private network
C. Network access control system
D. DMZ

Answer: A
Explanation: A remote access portal provides access to one or more applications through a single centralized interface. A virtual private network provides a secure tunnel for transmitting data through an insecure network such as the Internet. Network access control systems can be used to check if remote access device meets predefined criteria.

Computer Science & Information Technology

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Computer Science & Information Technology