Exam NGFW-Engineer Topic 2 Question 124 Discussion

Actual exam question for Palo Alto Networks's NGFW-Engineer exam
Question #: 124
Topic #: 2

An engineer is configuring a GlobalProtect portal and wants to enable split tunneling. The requirement is to route DNS queries for "https://www.google.com/search?q=corp.internal.com" to the DNS servers assigned by the VPN, while allowing all other DNS queries to be resolved by the client's locally configured DNS.
What is the effect of configuring this split DNS policy?

A. It provides selective DNS resolution, with specified domains resolved through the tunnel, optimizing performance for other lookups. B. It blocks access to all domains that are not explicitly listed in the split tunnel configuration. C. It forces all applications to use the corporate DNS servers, regardless of the split tunnel settings for IP traffic. D. It creates a DNS proxy on the client endpoint that forwards all queries to the firewall for inspection.

Suggested Answer: A Vote an answer

Basic Concept: Split DNS lets GlobalProtect resolve selected domains through VPN DNS while leaving other names to local DNS. This improves performance without breaking internal name resolution.
Why A is Correct: The policy selectively resolves listed corporate domains through the tunnel and leaves all other lookups local.
Why B is Wrong: It blocks access to all domains that are not explicitly listed in the split tunnel configuration.
relates to VPN configuration, but it does not address the specific PAN-OS requirement for selectors, tunnel interface functions, routing, or Security policy in this scenario.
Why C is Wrong: It forces all applications to use the corporate DNS servers, regardless of the split tunnel settings for IP traffic. relates to VPN configuration, but it does not address the specific PAN-OS requirement for selectors, tunnel interface functions, routing, or Security policy in this scenario.
Why D is Wrong: It creates a DNS proxy on the client endpoint that forwards all queries to the firewall for inspection. relates to VPN configuration, but it does not address the specific PAN-OS requirement for selectors, tunnel interface functions, routing, or Security policy in this scenario.

by Joshua at Jun 19, 2026, 09:07 PM

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