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Question 583 - CLF-C01 discussion

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A company's ecommerce website is experiencing sudden and significant traffic changes that are causing performance problems in the company database. Users report that attempts to access the website are taking too long. A developer needs to implement a caching layer by using Amazon ElastiCache. The website must be responsive, no matter which product a user views Updates to product information and prices must be strongly consistent.

Which cache-writing strategy will meet these requirements?

A.
Write to the cache directly Synchronize the backend later
Answers
A.
Write to the cache directly Synchronize the backend later
B.
Write to the backend first Wait for the cache to expire
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B.
Write to the backend first Wait for the cache to expire
C.
Write to the cache and the backend at the same time
Answers
C.
Write to the cache and the backend at the same time
D.
Write to the backend first. Then update the TTL of the item in the cache=
Answers
D.
Write to the backend first. Then update the TTL of the item in the cache=
Suggested answer: C
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asked 16/09/2024
Korrakot Tianniam
34 questions
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