Final answer:
Two-way authentication in WAP requires both ends of a connection to authenticate each other, providing a secure method of communication. Two -way authentication is required.
Step-by-step explanation:
In the context of Wireless Application Protocol (WAP) authentication levels, when both ends of the connection are required to authenticate to confirm validity, this is known as Two-way authentication. This process ensures that both the client and the server verify each other's identity.
Before establishing a connection, making it a more secure method of communication. Relaxed authentication might imply that only one end needs to authenticate, Server authentication refers to only the server being authenticated by the client, and Anonymous means no authentication is necessary.
For a scenario where both ends must confirm validity, two-way authentication is required. It is a more secure form of authentication compared to other options such as Server authentication or Anonymous authentication.