Palo Alto Networks Exam PCNSA Topic 4 Question 59 Discussion

Actual exam question for Palo Alto Networks's Palo Alto Networks Certified Network Security Administrator exam

Question #: 59
Topic #: 4

[All Palo Alto Networks Certified Network Security Administrator Questions]

In which two types of NAT can oversubscription be used? (Choose two.)

AStatic IP

BDestination NAT

CDynamic IP and Port (DIPP)

DDynamic IP

Show Suggested Answer

Suggested Answer: C, D

Oversubscription is a feature that allows you to use more private IP addresses than public IP addresses for NAT. This means that multiple private IP addresses can share the same public IP address, as long as they use different ports. Oversubscription can be used in two types of NAT: Dynamic IP and Port (DIPP) and Dynamic IP. DIPP NAT translates both the source IP address and the source port number of the outgoing packets, and can have an oversubscription rate greater than 1. Dynamic IP NAT translates only the source IP address of the outgoing packets, and can have an oversubscription rate of 1 or less. Static IP and Destination NAT do not support oversubscription, as they require a one-to-one mapping between the private and public IP addresses.Reference:Source NAT,Configure NAT,NAT

by Jerry at Mar 17, 2024, 10:42 PM

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Kimi

11 days ago

Haha, oversubscription, that's like when you have more people trying to use the internet than your bandwidth can handle, right? I bet that's a common problem in my dorm.

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Providencia

12 days ago

I'm not so sure about that. I think Destination NAT might also allow for oversubscription, since you can map multiple external addresses to a single internal address.

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Cathrine

13 days ago

Yeah, I agree with Karina. Dynamic IP and Port (DIPP) seems like a good option for oversubscription, since you can map multiple internal addresses to a single external address.

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Karina

14 days ago

Hmm, this looks like a tricky NAT question. I'm not too sure about oversubscription, but I think options B and C might be the correct answers.

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