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Amazon SAA-C03 Exam - Topic 2 Question 51 Discussion

An ecommerce company is migrating its on-premises workload to the AWS Cloud. The workload currently consists of a web application and a backend Microsoft SQL database for storage.The company expects a high volume of customers during a promotional event. The new infrastructure in the AWS Cloud must be highly available and scalable.Which solution will meet these requirements with the LEAST administrative overhead?
C) Migrate the web application to Amazon EC2 instances that run in an Auto Scaling group across two Availability Zones behind an Application Load Balancer. Migrate the database to Amazon RDS with Multi-AZ deployment.
A) Migrate the web application to two Amazon EC2 instances across two Availability Zones behind an Application Load Balancer. Migrate the database to Amazon RDS for Microsoft SQL Server with read replicas in both Availability Zones.
B) Migrate the web application to an Amazon EC2 instance that runs in an Auto Scaling group across two Availability Zones behind an Application Load Balancer. Migrate the database to two EC2 instances across separate AWS Regions with database replication.
D) Migrate the web application to three Amazon EC2 instances across three Availability Zones behind an Application Load Balancer. Migrate the database to three EC2 instances across three Availability Zones.

Amazon SAA-C03 Exam - Topic 2 Question 51 Discussion

Actual exam question for Amazon's SAA-C03 exam
Question #: 51
Topic #: 2
[All SAA-C03 Questions]

An ecommerce company is migrating its on-premises workload to the AWS Cloud. The workload currently consists of a web application and a backend Microsoft SQL database for storage.

The company expects a high volume of customers during a promotional event. The new infrastructure in the AWS Cloud must be highly available and scalable.

Which solution will meet these requirements with the LEAST administrative overhead?

Show Suggested Answer Hide Answer
Suggested Answer: C

To ensure high availability and scalability, the web application should run in an Auto Scaling group across two Availability Zones behind an Application Load Balancer (ALB). The database should be migrated to Amazon RDS with Multi-AZ deployment, which ensures fault tolerance and automatic failover in case of an AZ failure. This setup minimizes administrative overhead while meeting the company's requirements for high availability and scalability.

Option A: Read replicas are typically used for scaling read operations, and Multi-AZ provides better availability for a transactional database.

Option B: Replicating across AWS Regions adds unnecessary complexity for a single web application.

Option D: EC2 instances across three Availability Zones add unnecessary complexity for this scenario.

AWS Reference:

Auto Scaling Groups

Amazon RDS Multi-AZ


by Belen at Nov 15, 2024, 05:21 AM

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Ngoc
6 months ago
Is RDS really that much easier to manage than EC2 for the database?
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Stephen
6 months ago
I agree, C is the way to go for scalability and availability.
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Marsha
7 months ago
Wait, why would anyone choose D? Three instances for the database seems overkill!
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Kip
7 months ago
I think Option A is better for less complexity.
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Wilson
7 months ago
Option C seems solid with Multi-AZ for the database.
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Fanny
7 months ago
I remember that having more instances can help with availability, but option D seems like overkill with three EC2 instances. I’m leaning towards option C, but I need to double-check the requirements.
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Arthur
7 months ago
I think option C is the best choice because it combines Auto Scaling with RDS, which should reduce admin overhead. But I’m a bit confused about how Multi-AZ works in practice.
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Maile
8 months ago
I practiced a similar question where we had to choose between EC2 and RDS. I feel like option A might be too complex with the read replicas, but I can't recall the exact details.
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Tran
8 months ago
I remember studying about using Amazon RDS for databases, especially for high availability. I think option C sounds familiar, but I'm not entirely sure about the Multi-AZ part.
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Mona
8 months ago
This is a tough one. I'll need to review the cloud service options and high availability concepts to make sure I select the right solution.
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Sherita
8 months ago
I'm confident I can work through this step-by-step. The question provides good details to help me identify the best approach.
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Whitney
8 months ago
Okay, the key here is to find the solution with the least administrative overhead. I'll focus on that as I evaluate the choices.
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Lisbeth
8 months ago
Hmm, I'm a bit unsure about the database migration options. I'll need to think through the tradeoffs carefully.
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Freeman
8 months ago
This looks like a pretty straightforward cloud migration question. I think I can handle this one.
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Paulene
2 years ago
Option C uses Amazon RDS with Multi-AZ deployment for the database, ensuring high availability and scalability with less administrative overhead.
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Maynard
2 years ago
Why do you think option C is better?
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Marge
2 years ago
Hmm, I dunno, have you considered the 'Throw everything at the cloud and hope it sticks' approach? Just kidding, C is the clear winner here.
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Soledad
1 year ago
Definitely, C seems like the most efficient option for the company's needs.
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Soledad
1 year ago
That sounds like a solid plan. High availability and scalability without too much administrative overhead.
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Soledad
2 years ago
C) Migrate the web application to Amazon EC2 instances that run in an Auto Scaling group across two Availability Zones behind an Application Load Balancer. Migrate the database to Amazon RDS with Multi-AZ deployment.
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Bettina
2 years ago
I'm with Olen on this one. C seems like the most streamlined and scalable solution.
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Jina
1 year ago
I'm leaning towards C too. It seems like the most straightforward solution for the company's needs.
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Phil
1 year ago
C definitely seems like the least administrative overhead option for this migration.
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Agustin
1 year ago
I think C is the way to go as well. It's the most efficient choice.
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Isidra
2 years ago
I agree, C seems like the best option for high availability and scalability.
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Paulene
2 years ago
I disagree, I believe option C is the most suitable.
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Maynard
2 years ago
I think option A is the best choice.
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Olen
2 years ago
Option C is the way to go! Minimal administrative overhead and high availability, perfect for a promotional event.
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Suzi
1 year ago
It's a smart choice for handling a high volume of customers during a promotional event.
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Antonio
2 years ago
And having the database on Amazon RDS with Multi-AZ deployment ensures high availability without much manual intervention.
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Gianna
2 years ago
I agree, using Amazon EC2 instances in an Auto Scaling group will definitely help with scalability.
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Brock
2 years ago
Option C is the way to go! Minimal administrative overhead and high availability, perfect for a promotional event.
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