Topic 1 Question 481
A company hosts a three-tier web application in the AWS Cloud. A Multi-AZAmazon RDS for MySQL server forms the database layer Amazon ElastiCache forms the cache layer. The company wants a caching strategy that adds or updates data in the cache when a customer adds an item to the database. The data in the cache must always match the data in the database.
Which solution will meet these requirements?
Implement the lazy loading caching strategy
Implement the write-through caching strategy
Implement the adding TTL caching strategy
Implement the AWS AppConfig caching strategy
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- 正解だと思う選択肢: B
In the write-through caching strategy, when a customer adds or updates an item in the database, the application first writes the data to the database and then updates the cache with the same data. This ensures that the cache is always synchronized with the database, as every write operation triggers an update to the cache.
👍 6LONGMEN2023/05/18 - 正解だと思う選択肢: B
write-through caching strategy updates the cache at the same time as the database
👍 2nosense2023/05/16
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