Amazon DVA-C02 Exam - Topic 4 Question 61 Discussion

Actual exam question for Amazon's DVA-C02 exam

Question #: 61
Topic #: 4

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?

AA read-through cache

BA write-behind cache

CA lazy-loading cache

DA write-through cache

Show Suggested Answer

Suggested Answer: D

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

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Thad

12 days ago

D) A write-through cache ensures data consistency, but might slow down performance.

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Desiree

17 days ago

C) A lazy-loading cache might not provide real-time data.

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Cory

22 days ago

I disagree, B) A write-behind cache could be more efficient for updates.

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Miriam

27 days ago

I think A) A read-through cache is the best choice. It fetches data on demand.

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Diane

1 month ago

D) A write-through cache ensures data consistency, but might slow down performance.

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Wenona

1 month ago

C) A lazy-loading cache might not provide real-time data.

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Shenika

1 month ago

I disagree, B) A write-behind cache could be more efficient for updates.

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Hortencia

2 months ago

I think A) A read-through cache is the best choice. It fetches data on demand.

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Laurel

2 months ago

D) A write-through cache ensures data consistency but may slow down performance.

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Aliza

2 months ago

C) A lazy-loading cache might not be ideal for real-time. It delays data loading.

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Carissa

2 months ago

I disagree, B) A write-behind cache could work too. It updates the cache asynchronously.

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Marjory

2 months ago

I think A) A read-through cache is the best choice. It fetches data on demand.

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Aileen

2 months ago

Really? I didn't know write-behind caches could be that useful!

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Edward

3 months ago

Definitely leaning towards write-through, it keeps data consistent.

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Basilia

4 months ago

Wait, I thought lazy-loading was the way to go for real-time?

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Elfriede

4 months ago

I disagree, a read-through cache might be more efficient.

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Zachary

4 months ago

A write-through cache sounds like the best option here.

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Isreal

5 months ago

Surprised no one mentioned write-behind, it could be useful too!

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Sharika

5 months ago

Definitely going with write-through, it keeps data consistent.

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Tu

5 months ago

Wait, isn't a lazy-loading cache too slow for real-time dashboards?

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Elvera

5 months ago

I disagree, I think a read-through cache would work better.

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Nancey

5 months ago

A write-through cache sounds like the best fit here.

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Matt

6 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

6 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

6 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

6 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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