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Amazon SAP-C02 Exam - Topic 3 Question 64 Discussion

Actual exam question for Amazon's SAP-C02 exam
Question #: 64
Topic #: 3
[All SAP-C02 Questions]

An EC2-based ticketing service pulls a frequently updated pricing file (stored in S3) on startup. Sometimes EC2s have stale pricing, causing charge issues.

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Suggested Answer: C

Mountpoint for Amazon S3allows EC2 instances to directly access files in S3 as aPOSIX-compliant mount point, ensuring they always get the latest data without copying or syncing.

It's simple and cost-effective for read-heavy patterns.

Mountpoint for Amazon S3


by Slyvia at Jan 22, 2026, 02:28 PM

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Francoise
5 days ago
This sounds similar to a practice question about caching strategies. Should we consider using a cache invalidation strategy for the pricing file?
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Brunilda
10 days ago
I remember something about using S3 event notifications to trigger updates, but I'm not sure if that's the best approach here.
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Lamonica
15 days ago
This seems like a classic case of keeping cached data fresh. I'd experiment with different caching strategies, like using DynamoDB or ElastiCache to store the pricing data, and see if that helps avoid the staleness issue.
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Merilyn
20 days ago
I'm a little confused on the best approach here. Should I focus on the EC2 instances or the S3 file? I guess I'd start by understanding the current architecture and workflow in more detail.
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Mi
25 days ago
Okay, so the key is making sure the EC2 instances always have the latest pricing data. I'd look at setting up some kind of event-driven architecture, where the S3 file update triggers an update to the EC2 instances.
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Dottie
1 month ago
Hmm, this seems tricky. I'd want to dig into the EC2 startup process and see if there's a way to automatically refresh the pricing data on a regular schedule. Maybe some kind of cron job or scheduled Lambda function?
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Jess
1 month ago
I'd start by checking the S3 pricing file for any issues with the data or update frequency. Then I'd look at the EC2 instances and see if there's a way to cache the pricing info more effectively.
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