PCNSE · Question #759
PCNSE Question #759: Real Exam Question with Answer & Explanation
The correct answer is A: Pre-NAT source IP address. If you want to apply QoS treatment to traffic based on source, you must specify the pre-NAT source address (such as pre-NAT source IP, pre-NAT source zone, pre-NAT destination IP, and post-NAT destination zone) in a QoS policy rule. https://docs.paloaltonetworks.com/pan-os/11-0/p
Question
A firewall engineer is configuring quality of service (QoS) policy for the IP address of a specific server in an effort to limit the bandwidth consumed by frequent downloads of large files from the internet. Which combination of pre-NAT and/or post-NAT information should be used in the QoS rule?
Options
- APre-NAT source IP address
- BPost-NAT source IP address
- CPre-NAT source IP address
- DPost-NAT source IP address
Explanation
If you want to apply QoS treatment to traffic based on source, you must specify the pre-NAT source address (such as pre-NAT source IP, pre-NAT source zone, pre-NAT destination IP, and post-NAT destination zone) in a QoS policy rule. https://docs.paloaltonetworks.com/pan-os/11-0/pan-os-admin/quality-of-service/configure-qos
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