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Eccouncil 312-40 Exam - Topic 9 Question 38 Discussion

Actual exam question for Eccouncil's 312-40 exam
Question #: 38
Topic #: 9
[All 312-40 Questions]

An organization is developing a new AWS multitier web application with complex queries and table joins.

However, because the organization is small with limited staff, it requires high availability. Which of the following Amazon services is suitable for the requirements of the organization?

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Suggested Answer: D

For a multitier web application that requires complex queries and table joins, along with the need for high availability, Amazon DynamoDB is the suitable service. Here's why:

Support for Complex Queries: DynamoDB supports complex queries and table joins through its flexible data model and secondary indexes.

High Availability: DynamoDB is designed for high availability and durability, with data replicated across multiple AWS Availability Zones1.

Managed Service: As a fully managed service, DynamoDB requires minimal operational overhead, which is ideal for organizations with limited staff.

Scalability: It can handle large amounts of traffic and data, scaling up or down as needed to meet the demands of the application.

Reference: Amazon DynamoDB is a NoSQL database service that provides fast and predictable performance with seamless scalability. It is suitable for applications that require consistent, single-digit millisecond latency at any scale1. It's a fully managed, multi-region, durable database with built-in security, backup and restore, and in-memory caching for internet-scale applications1.


by Suzan at Mar 05, 2026, 05:35 AM

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Viva
2 days ago
Totally agree, it’s perfect for high availability!
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Tijuana
7 days ago
I think Amazon DynamoDB is the best choice here.
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Eladia
12 days ago
Not sure if DynamoDB can handle all those table joins effectively...
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Lindsey
18 days ago
I agree, DynamoDB is the best fit for complex queries!
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Lisha
23 days ago
Wait, why would anyone choose Amazon Glacier here?
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Isreal
28 days ago
I think Amazon HSM could work too, but not as efficient.
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William
1 month ago
Definitely go with Amazon DynamoDB for high availability!
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Marshall
1 month ago
From what I recall, DynamoDB is a NoSQL database that scales well, so it seems like the most suitable option for a multitier application needing high availability.
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Trina
1 month ago
I’m a bit confused about the other options. I know Glacier is for archiving, but I can't remember what HSM and Snowball are really used for in this context.
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Dannette
2 months ago
I think we practiced a similar question in class, and I recall that DynamoDB is designed for high availability, which might make it the right choice here.
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Kaycee
2 months ago
I remember studying about DynamoDB and its ability to handle complex queries, but I'm not entirely sure if it's the best fit for high availability.
upvoted 0 times
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