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Question 345 - PCNSE discussion

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An engineer is troubleshooting a traffic-routing issue.

What is the correct packet-flow sequence?

A.
PBF > Zone Protection Profiles > Packet Buffer Protection
Answers
A.
PBF > Zone Protection Profiles > Packet Buffer Protection
B.
BGP > PBF > NAT
Answers
B.
BGP > PBF > NAT
C.
PBF > Static route > Security policy enforcement
Answers
C.
PBF > Static route > Security policy enforcement
D.
NAT > Security policy enforcement > OSPF
Answers
D.
NAT > Security policy enforcement > OSPF
Suggested answer: C

Explanation:

The correct packet-flow sequence is C. PBF > Static route > Security policy enforcement. This sequence describes the order of operations that the firewall performs when processing a packet. PBF stands for Policy-Based Forwarding, which is a feature that allows the firewall to override the routing table and forward traffic based on the source and destination addresses, application, user, or service. PBF is evaluated before the static route lookup, which is the default method of forwarding traffic based on the destination address and the longest prefix match.Security policy enforcement is the stage where the firewall applies the security policy rules to allow or block traffic based on various criteria, such as zone, address, port, user, application, etc12.Reference:Policy-Based Forwarding,Packet Flow Sequence in PAN-OS

asked 23/09/2024
Gina Diaz
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