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Salesforce Certified Platform Developer II - Multiple Choice Sample Questions:

1. Universal Containers wants to notify an external system in the event that an unhandled exception occurs when their nightly Apex batch job runs.
What is the appropriate publish/subscribe logic to meet this requirement?

A) Have the external system subscribe to a standardPlatform Event that gets fired with with Eventbus.publish(1.
B) Have the external system subscribe to a custom Platform Event that gets fired with addError{).
C) Have the external system subscribe to a customPlatform Event that gets fired with EventBus.publish(1,
D) Have the external system subscribe to a standard Platform Event that gets fired.

2. Which code snippet processes records in the most memory efficient manner, avoiding governor limits such as "Apex heap size too large"?
A)

B) C)

D)

A) Option D
B) Option A
C) Option B
D) Option C

3. Refer to the markup below:

A Lightning web component displays the Account name and two custom fields out of 275 that exist on the abject. The custom fields are correctly declared and populated. However, the developer receives complaints that the component performs slowly. What can the developer do to improve the performance?

A) Add density="compat" to the component.
B) Replace layout-type =''1" with fields=(fields}.
C) Add cache="true" to the component.
D) Replace Layout-type =''Full1" with Layout-type="Partial".

4. A developer implemented a custom data table in a Lightning web component with filter functionality. However, users are submitting support tickets about long load times when the filters are changed. The component uses an Apex method that is called to query for records based on the selected filters.
What should the developer do to improve performance of the component?

A) Use SOSL to query the records on filter change.
B) Use a selective SOQL query with a custom Index.
C) Return all records into a list when the component is created and filter the array In JavaScript.
D) Use setstoraclel() in the Apex method to store the response In the client-side cache.

5. Which two best practices should the developer implement to optimize this code? Choose 2 answers

A) Use a collection for the DML statement.
B) Change the trigger context to after update, after insert
C) Query the Driving-Structure_C records outside of the loop
D) Remove the DML statement.

Solutions: