A colleague mentions using a remote access VPN. Which of the following protocols or technologies would you expect your colleague to have used?
- TLS
- IPsec
- GRE
- FTPS
Explanation: The term remote access VPN, or client VPN, typically refers to a VPN for which one endpoint is a user device, such as a phone, tablet, or PC. In those cases, TLS is the more likely protocol to use. TLS is included in browsers, and is commonly used to connect securely to websites. GRE along with IPsec is more likely to be used to create a site-to-site VPN connection. FTPS refers to FTP Secure, which uses TLS to secure FTP sessions.
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