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Amazon Exam SOA-C02 Topic 2 Question 114 Discussion

Actual exam question for Amazon's SOA-C02 exam
Question #: 114
Topic #: 2
[All SOA-C02 Questions]

The company wants to improve the security and high availability of a two-tier web application that was rehosted to AWS, currently in a single Availability Zone.

Options (Select TWO):

Show Suggested Answer Hide Answer
Suggested Answer: A, D

To improve security and availability, the best approach is to configure Multi-AZ for both the web and database tiers.

Multi-AZ Auto Scaling for Web Tier: Deploying the web-tier instances in an Auto Scaling group across multiple AZs with an internet-facing ALB provides high availability and fault tolerance.

RDS Multi-AZ for SQL Server: Migrating the SQL Server to RDS with Multi-AZ deployment ensures database redundancy and failover without additional management overhead.

Placing the web tier in multiple Regions would add unnecessary complexity, and migrating the database to DynamoDB is not suitable for applications requiring SQL Server's relational capabilities.


by Jamey at Apr 05, 2025, 11:03 PM

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Nicolette
19 days ago
I'm going with A and D. Simplicity is key here. Auto Scaling and a load balancer for the web tier, plus migrating the database to RDS with Multi-AZ. Boom, problem solved!
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Hubert
3 days ago
I agree, Auto Scaling and a load balancer will definitely help with high availability.
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Rosenda
1 months ago
Haha, C is a classic. Just launch another database instance in a second region and enable replication. That's a surefire way to introduce more complexity and potential points of failure. No thanks!
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Brandon
16 days ago
D) Use AWS Database Migration Service (AWS DMS) to migrate the database EC2 instance to Amazon RDS for SQL Server with Multi-AZ Database Mirroring (DBM).
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Miriam
22 days ago
A) Place the web-tier instances in an Auto Scaling group. Configure the Auto Scaling group to support a Multi-AZ deployment into private subnets that are behind an internet-facing Application Load Balancer.
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Barbra
1 months ago
I'm not sure about option B. Deploying in multiple AWS Regions seems like overkill for this scenario.
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Ernest
1 months ago
B is definitely the way to go. Scaling across multiple regions is the ultimate high availability solution. And who needs a database when you can just throw everything into DynamoDB, right? (E)
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Belen
7 days ago
But don't you think A is also important for ensuring the web-tier instances are scalable?
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Jesusa
8 days ago
I agree, B sounds like a solid plan for high availability.
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Kaitlyn
1 months ago
A and D seem like the best options to improve security and availability. The Auto Scaling group and load balancer in A will provide high availability, and migrating to RDS with Multi-AZ DBM in D will ensure the database is highly available.
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Krissy
2 months ago
I agree with Stefania. Using Auto Scaling group with Multi-AZ deployment is a solid solution.
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Stefania
2 months ago
I think option A is a good choice to improve security and high availability.
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