Exam AWS Certified Solutions Architect - Associate SAA-C02 All Questions

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Exam AWS Certified Solutions Architect - Associate SAA-C02 topic 1 question 196 discussion

Exam question from Amazon's AWS Certified Solutions Architect - Associate SAA-C02

Question #: 196
Topic #: 1

[All AWS Certified Solutions Architect - Associate SAA-C02 Questions]

A company is concerned that two NAT instances in use will no longer be able to support the traffic needed for the company's application. A solutions architect wants to implement a solution that is highly available fault tolerant, and automatically scalable.
What should the solutions architect recommend?

A. Remove the two NAT instances and replace them with two NAT gateways in the same Availability Zone.
B. Use Auto Scaling groups with Network Load Balancers for the NAT instances in different Availability Zones.
C. Remove the two NAT instances and replace them with two NAT gateways in different Availability Zones.
D. Replace the two NAT instances with Spot Instances in different Availability Zones and deploy a Network Load Balancer.

Show Suggested Answer

Suggested Answer: C 🗳️

by manoj101 at Aug. 28, 2020, 3:04 a.m.

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Comments

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manoj101

Highly Voted 3 years, 11 months ago

C is correct. 1 NAT Gateway is required in each of the AZ.

upvoted 55 times

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sxti

Highly Voted 3 years, 10 months ago

Good catch Rasj, BUT "Availability - Highly available. NAT gateways in each Availability Zone are implemented with redundancy. Create a NAT gateway in each Availability Zone to ensure zone-independent architecture." So we at this point we don't need any ELB.

upvoted 9 times

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mfaktas

Most Recent 1 year, 9 months ago

Selected Answer: C

let me give you a hint. AWS always wants you to use nat gateways over nat instances if you dont see any concerns about the cost in the question just stick with nat gateway.

upvoted 1 times

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YanisGTR

2 years, 5 months ago

as i can see most peoples go with "C" ok ! Q: highly available fault tolerant, and automatically scalable ?! any tool make this ?! i mean if we lose any of our "instances" in any AZ or High trafic ?! where is our back ?! Auto Scaling + - instances & Load Balancer Trafic And the Questions Ask About highly available fault tolerant So ans = "B" Maybe i'm wrong or Maybe i'm right ,,,, If I'm wrong, I hope someone who knows me will correct me ,,, Thanks.

upvoted 1 times

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Jennie95

2 years, 11 months ago

Selected Answer: C

NAT Gateway is always better solution than NAT instance (via Cloudguru and other courses)

upvoted 2 times

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slcheng

3 years ago

Selected Answer: B

question require self-scaling system , not bandwidth scaling. pick B

upvoted 3 times

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tototo

3 years, 7 months ago

Selected Answer: C

C is correct.

upvoted 1 times

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ansarica

3 years, 9 months ago

Absolutely C. Nat gateway auto-scales out managed by AWS itself, So C is the correct answer.

upvoted 3 times

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woke

3 years, 9 months ago

C. Remove the two NAT instances and replace them with two NAT gateways in different Availability Zones.

upvoted 2 times

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Toony

3 years, 9 months ago

How is C automatically scalable? Ans is B

upvoted 3 times

Rupesh1987

3 years, 9 months ago

NAT gateway is managed by AWS itself. They are scalable upto 45gbps from 5 gbps. Please read documents about NAT gateway.

upvoted 5 times

JoshuaAlkar

2 years, 3 months ago

now its actually scale up to 100GB according to AWS

upvoted 1 times

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syu31svc

3 years, 9 months ago

100% is C Replace NAT Instances with NAT Gateways and in different AZ for high availability

upvoted 3 times

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KK_uniq

3 years, 10 months ago

C for sure. NAT gateway is highly avaiable unlike NAT instance, but within one AZ. So we need to install atleast in different AZ

upvoted 2 times

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Yogi

3 years, 10 months ago

no NAT instances, NAT GWs in MultAZ is the answer.

upvoted 3 times

Yogi

3 years, 10 months ago

Ans = C

upvoted 2 times

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c4s1v0

3 years, 10 months ago

C is the best suitable solution as the NAT gateways can scale upto 45 GBPS.

upvoted 1 times

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Elias23

3 years, 10 months ago

C is the correct answer : replace Nat instance with the NAT Gateway because: the NAT Gateway is: Highly available so we can create NAT Gateway for each AZ and it's scalable automatically scales up to 45 Gbps. https://cloudacademy.com/wp-content/uploads/2015/12/Screen-Shot-2017-12-27-at-1.22.13-PM.png

upvoted 2 times

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Jay_12

3 years, 10 months ago

C- Nat gateway is ideal for this network. The company needs fault tolerant in their network which different Availability Zones will solve.

upvoted 1 times

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bleble00001

3 years, 10 months ago

This should be sufficient to understand why NAT Gateway over NAT Instances.. https://docs.aws.amazon.com/vpc/latest/userguide/vpc-nat-comparison.html

upvoted 2 times

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