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Amazon DVA-C02 Exam - Topic 4 Question 61 Discussion

A developer is integrating Amazon ElastiCache in an application. The cache will store data from a database. The cached data must populate real-time dashboards. Which caching strategy will meet these requirements?
D) A write-through cache
A) A read-through cache
B) A write-behind cache
C) A lazy-loading cache

Amazon DVA-C02 Exam - Topic 4 Question 61 Discussion

Actual exam question for Amazon's DVA-C02 exam
Question #: 61
Topic #: 4
[All DVA-C02 Questions]

A developer is integrating Amazon ElastiCache in an application. The cache will store data from a database. The cached data must populate real-time dashboards. Which caching strategy will meet these requirements?

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Suggested Answer: D

by Desire at Mar 08, 2026, 07:35 AM

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Hortencia
3 days ago
I think A) A read-through cache is the best choice. It fetches data on demand.
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Laurel
8 days ago
D) A write-through cache ensures data consistency but may slow down performance.
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Aliza
13 days ago
C) A lazy-loading cache might not be ideal for real-time. It delays data loading.
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Carissa
18 days ago
I disagree, B) A write-behind cache could work too. It updates the cache asynchronously.
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Marjory
23 days ago
I think A) A read-through cache is the best choice. It fetches data on demand.
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Aileen
29 days ago
Really? I didn't know write-behind caches could be that useful!
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Edward
1 month ago
Definitely leaning towards write-through, it keeps data consistent.
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Basilia
3 months ago
Wait, I thought lazy-loading was the way to go for real-time?
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Elfriede
3 months ago
I disagree, a read-through cache might be more efficient.
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Zachary
3 months ago
A write-through cache sounds like the best option here.
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Isreal
3 months ago
Surprised no one mentioned write-behind, it could be useful too!
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Sharika
3 months ago
Definitely going with write-through, it keeps data consistent.
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Tu
3 months ago
Wait, isn't a lazy-loading cache too slow for real-time dashboards?
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Elvera
4 months ago
I disagree, I think a read-through cache would work better.
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Nancey
4 months ago
A write-through cache sounds like the best fit here.
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Matt
4 months ago
I’m leaning towards a write-behind cache, but I’m not confident it would meet the real-time requirement.
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Yaeko
4 months ago
I practiced a similar question, and I feel like a read-through cache could also work, but it might not be as efficient for real-time updates.
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Anglea
4 months ago
I think a write-through cache might be the right choice since it updates the cache and the database simultaneously.
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Cristy
5 months ago
I remember studying caching strategies, but I'm not entirely sure which one is best for real-time dashboards.
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