N10-009 Question #280: Real Exam Question with Answer & Explanation

Question

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 following authentication methods is best suited for guests given the requirements of this scenario?

Options

• AESP
• BPSK
• CWPA
• DIKE

Explanation

Pre-Shared Key (PSK) is the best authentication method for guest networks due to its simplicity, allowing easy access for casual internet usage without complex individual authentication setups.

Common mistakes.

• A. 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.
• C. 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.
• D. 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.

Concept tested. Wi-Fi authentication methods for guests

Reference. https://learn.microsoft.com/en-us/windows-server/networking/core-network-guide/cnwg-wireless-access-points

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