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 159 discussion

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

Question #: 159
Topic #: 1

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

A company is planning to migrate its virtual server-based workloads to AWS. The company has internet-facing load balancers backed by application servers. The application servers rely on patches from an internet-hosted repository.
Which services should a solutions architect recommend be hosted on the public subnet? (Choose two.)

A. NAT gateway
B. Amazon RDS DB instances
C. Application Load Balancers
D. Amazon EC2 application servers
E. Amazon Elastic File System (Amazon EFS) volumes

Show Suggested Answer

Suggested Answer: AC 🗳️

by Paitan at Aug. 10, 2020, 10:24 a.m.

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Paitan

Highly Voted 3 years, 11 months ago

Nat Gateway and ALB should be on the the Public subnet. So answer is A and C.

upvoted 79 times

Dilip_Yadav123

3 years, 9 months ago

A and C both are fit for above requirement

upvoted 3 times

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vladi72

Highly Voted 3 years, 10 months ago

NAT Gateway needed if something on private subnet needs access to internet for patches or so...Question says app servers depend on patches but why they should be in private subnet? So I think answer should be C and D

upvoted 12 times

PrAshwin

3 years, 9 months ago

In a ideal 3 tier architeture, web servers are in public subnet, App servers, db servers are in private subnet. so the app server is in private subnet so that its more secure and is accessed only by the ALB

upvoted 2 times

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rubytong

3 years, 10 months ago

Agree. Answer should be C & D, "The application servers rely on patches from an internet-hosted repository", adding NAT Gateway increasing data transfer cost and unnecessary in this scenario.

upvoted 3 times

Sayto

3 years, 9 months ago

Simply because it's more secure !! always choose the more secure option over the cost-effective one. Especially if cost is not mentioned

upvoted 9 times

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mfaktas

Most Recent 1 year, 9 months ago

Selected Answer: AC

NAT gateway is a must for the internet and they are already using Load balancers on thier system running so there is no doubt here.

upvoted 1 times

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StacyY

2 years ago

A & C, Nat gateway and ELB shall be in public subnet

upvoted 1 times

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queen101

2 years, 11 months ago

AAAACCCCCC

upvoted 1 times

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Red8aron

3 years, 1 month ago

Selected Answer: AC

Hint: servers using an internet-hosted repository

upvoted 2 times

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brunaalencar

3 years, 1 month ago

Selected Answer: AC

https://docs.aws.amazon.com/elasticloadbalancing/latest/application/tutorial-application-load-balancer-cli.html https://docs.aws.amazon.com/vpc/latest/userguide/vpc-nat-gateway.html#nat-gateway-creating

upvoted 2 times

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naveenagurjara

3 years, 1 month ago

Selected Answer: CD

ALB can be placed directly on public subnet that has Internet access by default. The apps can be hosted on EC2 in Private zones behind the ALB. You don't need a NAT gwy in this case.

upvoted 1 times

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muhsin

3 years, 8 months ago

C , D no need to have NAT Gateway. There is not any requirement for private subnet. company will move its application servers and load balancer on the internet to AWS so you need to have EC2 for application servers and ALB for the load balancer on the internet.

upvoted 3 times

HereToReAssureMyself

3 years ago

Which services should a solution architect propose for public subnet hosting? would you put Application servers in public hosting?

upvoted 1 times

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woke

3 years, 9 months ago

A. NAT gateway and C. Application Load Balancers

upvoted 4 times

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jkwek

3 years, 9 months ago

Answer is A and C. https://docs.aws.amazon.com/elasticloadbalancing/latest/application/tutorial-application-load-balancer-cli.html https://docs.aws.amazon.com/vpc/latest/userguide/vpc-nat-gateway.html#nat-gateway-creating

upvoted 3 times

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WellsPham

3 years, 9 months ago

The desired architect is: Public subnet: ALB, NAT Gateway Private subnet: Ec2 Application Servers Why is NAT Gateway in public subnet? Because application servers rely on batch from internet. In private subnet, it doesn't have internet connection so NAT is needed.

upvoted 3 times

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tinyshare

3 years, 9 months ago

If you choose A and C, where are you going to put your applications without a sever? That's really dumb.

upvoted 5 times

derekurizar

3 years, 1 month ago

It is because the question is what services should be on the public subnet :D The application servers should be on the private subnet. Just pay attention on every word of the question, because they will try to confuse you :c

upvoted 2 times

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goooood

3 years, 9 months ago

A & C it's on my exam today

upvoted 6 times

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0utsider

3 years, 9 months ago

Ans: C & D They have: LB and servers They want to migrate to public subnet + servers need internet access NAT gateway is not needed in public subnet For their LB -> ALB For their servers -> EC2

upvoted 2 times

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Abdullah777

3 years, 9 months ago

the key is "recommend be hosted on the public subnet" AC

upvoted 3 times

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syu31svc

3 years, 9 months ago

A for sure "internet-facing load balancers" -> C

upvoted 2 times

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