Exam AWS Certified Solutions Architect - Associate SAA-C03 All Questions

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Exam AWS Certified Solutions Architect - Associate SAA-C03 topic 1 question 174 discussion

Exam question from Amazon's AWS Certified Solutions Architect - Associate SAA-C03

Question #: 174
Topic #: 1

[All AWS Certified Solutions Architect - Associate SAA-C03 Questions]

A company has a multi-tier application that runs six front-end web servers in an Amazon EC2 Auto Scaling group in a single Availability Zone behind an Application Load Balancer (ALB). A solutions architect needs to modify the infrastructure to be highly available without modifying the application.

Which architecture should the solutions architect choose that provides high availability?

A. Create an Auto Scaling group that uses three instances across each of two Regions.
B. Modify the Auto Scaling group to use three instances across each of two Availability Zones.
C. Create an Auto Scaling template that can be used to quickly create more instances in another Region.
D. Change the ALB in front of the Amazon EC2 instances in a round-robin configuration to balance traffic to the web tier.

Show Suggested Answer

Suggested Answer: B 🗳️

by Nigma at Nov. 15, 2022, 4:19 p.m.

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Comments

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Nigma

Highly Voted 1 year, 9 months ago

B. auto scaling groups can not span multi region

upvoted 30 times

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cookieMr

Highly Voted 1 year, 1 month ago

Selected Answer: B

Option A (creating an Auto Scaling group across two Regions) introduces additional complexity and potential replication challenges, which may not be necessary for achieving high availability within a single Region. Option C (creating an Auto Scaling template for another Region) suggests multi-region redundancy, which may not be the most straightforward solution for achieving high availability without modifying the application. Option D (changing the ALB to a round-robin configuration) does not provide the desired high availability. Round-robin configuration alone does not ensure fault tolerance and does not leverage multiple Availability Zones for resilience. Hence, modifying the Auto Scaling group to use three instances across each of two Availability Zones is the appropriate choice to provide high availability for the multi-tier application.

upvoted 10 times

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satyaammm

Most Recent 6 months, 1 week ago

Selected Answer: B

Modifying the ALB is the most suitable option here.

upvoted 1 times

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TariqKipkemei

11 months, 1 week ago

Selected Answer: B

Modify the Auto Scaling group to use three instances across each of two Availability Zones

upvoted 4 times

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Guru4Cloud

1 year ago

Selected Answer: B

Option B. Modify the Auto Scaling group to use three instances across each of the two Availability Zones.

upvoted 3 times

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techhb

1 year, 7 months ago

B. auto scaling groups cannot span multi region

upvoted 6 times

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Buruguduystunstugudunstuy

1 year, 8 months ago

Selected Answer: B

Option B. Modify the Auto Scaling group to use three instances across each of the two Availability Zones. This option would provide high availability by distributing the front-end web servers across multiple Availability Zones. If there is an issue with one Availability Zone, the other Availability Zone would still be available to serve traffic. This would ensure that the application remains available and highly available even if there is a failure in one of the Availability Zones.

upvoted 5 times

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career360guru

1 year, 8 months ago

Selected Answer: B

Option B

upvoted 1 times

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k1kavi1

1 year, 8 months ago

Selected Answer: B

Agreed

upvoted 1 times

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Shasha1

1 year, 8 months ago

B option B This architecture provides high availability by having multiple Availability Zones hosting the same application. This allows for redundancy in case one Availability Zone experiences downtime, as traffic can be served by the other Availability Zone. This solution also increases scalability and performance by allowing traffic to be spread across two Availability Zones.

upvoted 2 times

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