Exam MCIA-Level-1 Topic 3 Question 173 Discussion

Actual exam question for MuleSoft's MCIA-Level-1 exam
Question #: 173
Topic #: 3

A system API EmployeeSAPI is used to fetch employee's data from an underlying SQL database.
The architect must design a caching strategy to query the database only when there is an update to the employees stable or else return a cached response in order to minimize the number of redundant transactions being handled by the database.
What must the architect do to achieve the caching objective?

A. Use an On Table Row on employees table and call invalidate cache
Use an object store caching strategy and expiration interval to empty B. Use a Scheduler with a fixed frequency every hour triggering an invalidate cache flow Use an object store caching strategy and expiration interval to empty C. Use a Scheduler with a fixed frequency every hour triggering an invalidate cache flow Use an object store caching strategy and set expiration interval to 1-hour D. Use an on table rule on employees table call invalidate cache and said new employees data to cache Use an object store caching strategy and set expiration interval to 1-hour

Suggested Answer: A Vote an answer

To achieve efficient caching and reduce redundant database transactions, the following strategy can be implemented:
* On Table Row Listener: Implement an "On Table Row" trigger on the employees' table. This trigger will monitor changes (inserts, updates, deletes) in the employee records.
* Invalidate Cache: Upon detecting changes in the employees' table, the trigger will call a flow to invalidate the current cache.
* Object Store for Caching: Utilize MuleSoft's object store to cache the employee data. This store can hold the data for quick retrieval.
* Set Expiration Interval: Configure the expiration interval for the cached data to ensure it is cleared when necessary. For this scenario, since we are invalidating cache on actual data changes, setting the expiration interval to empty can be suitable.
* Return Cached Data: If there are no updates, the cached response is returned, reducing database load.
References:
* MuleSoft Documentation on Object Store
* Caching Strategies

by Arvin at Oct 06, 2026, 12:18 AM

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