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Question 40 - PCSFE discussion

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Which element protects and hides an internal network in an outbound flow?

A.
DNS sinkholing
Answers
A.
DNS sinkholing
B.
User-ID
Answers
B.
User-ID
C.
App-ID
Answers
C.
App-ID
D.
NAT
Answers
D.
NAT
Suggested answer: D

Explanation:

NAT is the element that protects and hides an internal network in an outbound flow. NAT is a feature that translates the source or destination IP address or port of a packet as it passes through the firewall. NAT can protect and hide an internal network in an outbound flow by replacing the private IP addresses of the internal hosts with a public IP address of the firewall or another device, making them appear as a single entity to the external network. This prevents external hosts from directly accessing or identifying the internal hosts, and also conserves the public IP address space. DNS sinkholing, User-ID, and App-ID are not elements that protect and hide an internal network in an outbound flow, but they are related features that can enhance security and visibility. Reference: Palo Alto Networks Certified Software Firewall Engineer (PCSFE), [NAT Overview], [DNS Sinkholing Overview], [User-ID Overview], [App-ID Overview]

asked 23/09/2024
Haitham Hanash
27 questions
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