SAA Application Performance & Scalability 2

Question 1

Which approach should an architect recommend to allow external systems to upsert Salesforce records without knowing internal Salesforce IDs?

Accepted Answer

Define an External ID field on the object

Answer

Use Record Types as keys

Answer

Use composite APIs with lookup fields

Answer

Store IDs in Custom Metadata

Question 2

A Visualforce page is experiencing slow load times due to excessive view state. What is the maximum allowed view state size?

Accepted Answer

128 KB

Answer

64 KB

Answer

256 KB

Answer

512 KB

Question 3

What is the primary advantage of using Queueable Apex over Future Methods?

Accepted Answer

Queueable Apex supports chaining and can accept non-primitive parameters

Answer

Queueable Apex bypasses all governor limits

Answer

Queueable Apex runs synchronously for faster execution

Answer

Queueable Apex supports bulk DML with no limit

Question 4

In a Large Data Volume environment, which index type must Salesforce Support enable, as it is not available through Setup by default?

Accepted Answer

Custom Index

Answer

Standard Index

Answer

Skinny Table Index

Answer

Composite Index

Question 5

Platform Events in Salesforce are primarily used to improve scalability by enabling which architectural pattern?

Accepted Answer

Event-driven architecture with decoupled producers and consumers

Answer

Synchronous point-to-point integration

Answer

Batch data processing pipelines

Answer

Real-time UI refresh via Apex callbacks

Question 6

When should an architect choose SOSL (Salesforce Object Search Language) over SOQL for a use case?

Accepted Answer

When searching for a term across multiple objects and fields simultaneously

Answer

When querying a single object with known field values

Answer

When performing aggregate queries like SUM or COUNT

Answer

When filtering by date ranges on large datasets

Question 7

A custom object has 10 million records and queries are timing out. Salesforce Support confirms the WHERE clause field is indexed. What should the architect investigate next?

Accepted Answer

Check if the query is non-selective due to too many matching records (>10% of total)

Answer

Increase SOQL query timeout via setup

Answer

Switch from SOQL to Apex loops for filtering

Answer

Enable field history tracking