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Amazon SAP-C02 Exam - Topic 11 Question 39 Discussion

Actual exam question for Amazon's SAP-C02 exam
Question #: 39
Topic #: 11
[All SAP-C02 Questions]

A delivery company is running a serverless solution in tneAWS Cloud The solution manages user data, delivery information and past purchase details The solution consists of several microservices The central user service stores sensitive data in an Amazon DynamoDB table Several of the other microservices store a copy of parts of the sensitive data in different storage services

The company needs the ability to delete user information upon request As soon as the central user service deletes a user every other microservice must also delete its copy of the data immediately

Which solution will meet these requirements?

Show Suggested Answer Hide Answer
Suggested Answer: C

Set Up EventBridge Event Bus:

Step 1: Open the Amazon EventBridge console and create a custom event bus. This bus will be used to handle user deletion events.

Step 2: Name the event bus appropriately (e.g., user-deletion-bus).

Post Events on User Deletion:

Step 1: Modify the central user service to post an event to the custom EventBridge event bus whenever a user is deleted.

Step 2: Ensure the event includes relevant details such as the user ID and any other necessary metadata.

Create EventBridge Rules for Microservices:

Step 1: For each microservice that needs to delete user data, create a new rule in EventBridge that triggers on the user deletion event.

Step 2: Define the event pattern to match the user deletion event. This pattern should include the event details posted by the central user service.

Invoke Microservice Logic:

Step 1: Configure the EventBridge rule to invoke a target, such as an AWS Lambda function, which contains the logic to delete the user data from the microservice's data store.

Step 2: Each microservice should have its Lambda function or equivalent logic to handle the deletion of user data upon receiving the event.

Using Amazon EventBridge ensures a scalable, reliable, and decoupled approach to handle the deletion of user data across multiple microservices. This setup allows each microservice to independently process user deletion events without direct dependencies on other services.

Reference

AWS EventBridge Documentation

DynamoDB Streams and AWS Lambda Triggers

Implementing the Transactional Outbox Pattern with EventBridge Pipes (AWS Documentation) (Amazon Web Services, Inc.) (Amazon Web Services, Inc.) (AWS Documentation) (AWS Cloud Community).


by Lawrence at Sep 12, 2024, 09:51 PM

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Veda
3 months ago
Wait, can all microservices really delete data that fast? Sounds risky!
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Stephania
3 months ago
D? Really? That doesn't seem efficient at all.
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Tasia
3 months ago
C seems a bit overcomplicated for this task.
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Kathryn
4 months ago
I think B is better, SNS is more straightforward.
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Noemi
4 months ago
Option A sounds solid with DynamoDB Streams!
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Joseph
4 months ago
I’m leaning towards the SQS solution, but I’m not clear on how the event filtering would work for each microservice.
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Carla
4 months ago
I practiced a similar question where EventBridge was used for event-driven architectures. It seems like a solid option for this scenario.
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Ronny
4 months ago
I think using SNS for event notifications could work, but I’m a bit confused about how the subscriptions would handle multiple microservices.
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Johnathon
5 months ago
I remember studying about DynamoDB Streams, but I'm not entirely sure if they can trigger immediate deletions in all microservices.
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Norah
5 months ago
I'm leaning towards option B with SNS. That seems like a simple way to notify all the microservices about the user deletion, and they can each react to the event.
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Devorah
5 months ago
Based on the requirements, I think option C using EventBridge is the way to go. It allows the central user service to publish the deletion event, and each microservice can subscribe to that event to take the appropriate action.
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Derrick
5 months ago
Hmm, I'm a bit confused about the different AWS services mentioned here. I'll need to review my notes on DynamoDB, SNS, EventBridge, and SQS to figure out which one would be the best fit.
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Margo
5 months ago
This seems like a pretty straightforward question. I think the key is to find a way to propagate the user deletion event from the central user service to all the other microservices.
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Hester
5 months ago
Hmm, I'm not sure about this one. The question mentions different systems, so I'm wondering if an AppExchange package would be enough. Maybe I should consider the Apex and MuleSoft options as well.
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Christiane
5 months ago
I remember practicing with examples where avoiding was emphasized, but I'm a bit unclear on the reasoning behind that.
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Abel
1 year ago
I'm with Amber on this one - the DynamoDB Streams approach (A) seems the most bulletproof for this use case.
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Eleonore
1 year ago
Haha, option D with the SQS queue? Sounds like a recipe for some epic race conditions and eventual consistency issues!
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Isabella
1 year ago
I'd go with option B and use DynamoDB event notifications and Amazon SNS. Seems simpler than the Lambda function in option A.
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Leoma
1 year ago
Definitely, it ensures that all copies of the sensitive data are deleted immediately when a user request is made.
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Arleen
1 year ago
Yeah, having each microservice subscribe to the SNS topic for user deletion events makes sense.
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Dyan
1 year ago
I agree, it does seem simpler than setting up a Lambda trigger like in option A.
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Ariel
1 year ago
Yeah, option B definitely seems like the most efficient solution for deleting user information across all microservices.
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Fidelia
1 year ago
Option B sounds like a good choice. Using DynamoDB event notifications and Amazon SNS seems efficient.
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Mozell
1 year ago
I agree, option B seems straightforward and effective for ensuring all microservices delete user data immediately.
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Glen
1 year ago
Option B sounds like the best choice. Using DynamoDB event notifications and Amazon SNS seems efficient.
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Tasia
1 year ago
I see your point, Nan. Option C does seem like a more efficient solution for deleting user data across all microservices.
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Ezekiel
1 year ago
Option C with EventBridge looks interesting, but I'm not sure if it provides the same level of guarantee as the DynamoDB Streams approach.
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Rhea
1 year ago
Let's go with Option A then, to make sure all microservices delete user data immediately.
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Carman
1 year ago
I agree, Option A seems like a safer bet for ensuring immediate data deletion.
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Aleshia
1 year ago
I think Option A with DynamoDB Streams might provide a more reliable solution.
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Carlee
1 year ago
Option C with EventBridge is a good choice for this scenario.
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Nan
1 year ago
I disagree, I believe option C is better as it uses Amazon EventBridge to invoke logic in each microservice.
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Johnna
1 year ago
I think option A could work because it uses DynamoDB Streams to trigger events for user deletion.
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Amber
1 year ago
The DynamoDB Streams and Lambda solution (A) seems like the most robust and reliable way to ensure immediate data deletion across all microservices.
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Selene
1 year ago
Yes, option A provides a seamless way to ensure all microservices delete user data simultaneously.
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Natalie
1 year ago
I agree, option A with DynamoDB Streams and Lambda seems like the best choice for immediate data deletion.
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