Cisco 300-420 Exam - Topic 15 Question 116 Discussion

Actual exam question for Cisco's 300-420 exam

Question #: 116
Topic #: 15

Refer to the exhibit.

Refer to the exhibit. An engineer must connect the IPv6 island to the IPv4-only network to provide IPv6 hosts access to file servers and DNS services in the IPv4 network. Which NAT should the engineer choose?

Astateless NAT66

Bstateful NAT66

Cstatic NAT-PT

Ddynamic NAT-PT

Show Suggested Answer

Suggested Answer: D

by Flo at Aug 18, 2025, 10:23 PM

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Dan

8 months ago

Stateless NAT66 won't work for IPv4 access.

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Jesusita

9 months ago

Wait, isn't dynamic NAT-PT more efficient for this?

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Tijuana

9 months ago

I think static NAT-PT is the way to go here.

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Moira

9 months ago

I had no idea NAT-PT was still relevant!

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Timmy

9 months ago

Totally agree, it simplifies the connection!

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Valentin

9 months ago

I feel like I might be mixing up NAT types; I thought NAT66 was only for IPv6-to-IPv6 connections, but maybe it applies here too?

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Carla

10 months ago

I practiced a similar question where NAT-PT was mentioned, but I can't recall if static or dynamic was preferred for this scenario.

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Charlie

10 months ago

I think stateful NAT66 might be the answer since it handles dynamic translations better, but I need to double-check that.

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Nickolas

10 months ago

I remember studying NAT types, but I'm not sure if NAT-PT is the right choice for connecting IPv6 to IPv4.

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Janessa

10 months ago

I'm leaning towards stateful NAT66. That seems like the most robust option to handle the translation between the two IP versions.

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Glendora

10 months ago

I'm pretty sure dynamic NAT-PT is not the right choice here since we need to provide IPv6 hosts access to the IPv4 network, not the other way around.

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Sherill

11 months ago

Okay, I've got this. The key is to connect the IPv6 island to the IPv4 network, so I think stateless NAT66 is the way to go.

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Shannan

11 months ago

Hmm, I'm a bit confused on the differences between stateful and stateless NAT66. I'll need to review those concepts.

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Wai

11 months ago

This is a tricky one. I'll need to think through the differences between the NAT options carefully.

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Deja

11 months ago

Hold up, is this a trick question? I bet static NAT-PT is the right answer. It's the most straightforward approach.

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Alberta

12 months ago

I agree with Johnetta, stateful NAT66 would be the best option for this scenario.

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Hayley

1 year ago

I'm going with dynamic NAT-PT. It's more flexible and can handle the IPv4 to IPv6 translation better.

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Rhea

11 months ago

I agree with you, stateful NAT66 is a good option for this scenario.

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Albert

12 months ago

I think stateful NAT66 would be a better choice. It provides better security and tracking of connections.

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Johnetta

1 year ago

I think the engineer should choose stateful NAT66.

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Annmarie

1 year ago

Stateful NAT66 seems like the obvious choice here. Why even consider the other options?

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Isadora

12 months ago

User1: I agree, stateful NAT66 is the best option for this scenario.

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