PCNSE Question #619: Real Exam Question with Answer & Explanation

Question

An engineer is attempting to resolve an issue with slow traffic. Which PAN-OS feature can be used to prioritize certain network traffic?

Options

• APrisma Access for Mobile Users
• BForward Error Correction (FEC)
• CSaaS Quality Profile
• DQuality of Service (QoS)

Explanation

To resolve slow traffic issues by prioritizing specific network traffic, the Palo Alto Networks firewall utilizes its Quality of Service (QoS) feature.

Common mistakes.

• A. Prisma Access for Mobile Users is a cloud-based security platform that extends enterprise security to mobile users, and it does not directly provide a feature to prioritize traffic on a PAN-OS firewall.
• B. Forward Error Correction (FEC) is a data transmission technique used to detect and correct errors in data without retransmission, typically employed in SD-WAN for link resilience, not for traffic prioritization.
• C. A SaaS Quality Profile in PAN-OS is used to monitor the performance and health of SaaS applications, which might inform QoS decisions but is not the mechanism for traffic prioritization itself.

Concept tested. Traffic prioritization (QoS)

Reference. https://docs.paloaltonetworks.com/pan-os/10-2/pan-os-admin/quality-of-service.html

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