GSLC Question #501: Real Exam Question with Answer & Explanation

The correct answer is B. PEAP D. PPTP. MS-CHAPv2 requires a tunneling or encapsulating protocol to carry it securely; both PEAP and PPTP provide that capability for wireless and VPN authentication respectively.

Question

Which of the following security protocols can be used to support MS-CHAPv2 for wireless client authentication? Each correct answer represents a complete solution. Choose two.

Options

AHTTP
BPEAP
CIPSec
DPPTP

Explanation

MS-CHAPv2 requires a tunneling or encapsulating protocol to carry it securely; both PEAP and PPTP provide that capability for wireless and VPN authentication respectively.

Common mistakes.

A. HTTP is a web transfer protocol and has no mechanism to carry or encapsulate MS-CHAPv2 authentication exchanges.
C. IPsec authenticates using certificates or pre-shared keys via IKE and does not natively support MS-CHAPv2.

Concept tested. Protocols tunneling MS-CHAPv2 for wireless authentication

Reference. https://learn.microsoft.com/en-us/windows-server/networking/technologies/nps/nps-top

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