A company is building a new campus that will have wired and wireless devices. The network will be designed to support casual internet usage for guests and break rooms for employees. Which of the…

ESP (Encapsulating Security Payload) is an IPsec protocol component primarily used for VPNs, providing confidentiality and authentication for IP packets, not a direct Wi-Fi authentication method for users.

Pre-Shared Key (PSK) authentication, commonly used in WPA/WPA2/WPA3 Personal, is well-suited for guest access because it involves a single, shared password that can be easily distributed and configured by guests, simplifying connectivity for casual internet use.

WPA (Wi-Fi Protected Access) is a security standard for wireless networks, but it's not an authentication method itself; PSK is the specific authentication mechanism often employed within WPA standards for consumer-grade use.

IKE (Internet Key Exchange) is a protocol used in conjunction with IPsec to establish security associations, not a direct user authentication method for Wi-Fi access.