SAA Application Performance & Scalability 3

Question 1

Which Salesforce mechanism should an architect recommend to handle high-volume record inserts that trigger complex automation without hitting governor limits?

Accepted Answer

Use Bulk API with appropriate batch sizes and async triggers

Answer

Execute all triggers synchronously in a single transaction

Answer

Disable all triggers during data loads

Answer

Use Streaming API to insert records

Question 2

What does the 'Defer Sharing Calculation' option do in Salesforce, and when is it relevant?

Accepted Answer

It delays sharing rule recalculation during large data imports to prevent system slowdowns

Answer

It permanently disables sharing rules for an object

Answer

It caches sharing rule results in Platform Cache

Answer

It converts sharing rules to manual shares for performance

Question 3

An architect needs to make a long-running callout from Salesforce without blocking the user. Which Apex feature supports this?

Accepted Answer

Continuation (Asynchronous Callout)

Answer

Scheduled Apex

Answer

Future Method with callout=true

Answer

Platform Events

Question 4

What is the maximum number of DML statements allowed per Apex transaction?

Accepted Answer

150

Answer

50

Answer

100

Answer

200

Question 5

Which design pattern helps prevent recursive trigger execution in a high-volume data environment?

Accepted Answer

Static Boolean flag pattern

Answer

Observer pattern

Answer

Decorator pattern

Answer

Singleton with Platform Cache

Question 6

An architect is designing a solution where millions of records need to be archived from Salesforce to an external data warehouse. Which approach best minimizes impact on org performance?

Accepted Answer

Use Bulk API 2.0 during off-peak hours with data archival flows

Answer

Export via Reports scheduled nightly

Answer

Use a trigger to copy records to an external object on save

Answer

Schedule Batch Apex to delete and re-insert records

Question 7

What is the maximum heap size allowed per synchronous Apex transaction?

Accepted Answer

6 MB

Answer

3 MB

Answer

12 MB

Answer

24 MB