SALESFORCE-PD1 Practice Test 4 — 10 Questions

Question 1

Which THREE design patterns or tools help ensure secure coding practices regarding CRUD and FLS in Apex? Choose 3 options.

Accepted Answer

Using Security.stripInaccessible() before upserting data.. Security.stripInaccessible, WITH SECURITY_ENFORCED clause, and explicit Schema describe checks are valid methods.

Answer

Declaring every class with 'without sharing'.

Answer

Relying solely on Lightning Web Component HTML rendering tags.

Question 2

An Apex transaction performs a DML operation, followed by a callout to an external REST API, followed by another DML operation. What exception will Salesforce throw?

Accepted Answer

CalloutException. Salesforce throws a CalloutException when a DML operation has occurred before a callout in the same transaction, to prevent database locks.

Answer

AsyncException

Answer

LimitException

Answer

SystemException

Question 3

When deploying via Metadata API, what happens if a test class fails during the deployment?

Accepted Answer

The deployment fails and rolls back all changes.. The entire deployment fails by default unless specified otherwise.

Answer

Only the failing test class is ignored.

Answer

The deployment succeeds but flags a warning.

Answer

The deployment continues but prevents Apex compilation.

Question 4

Which Apex data type is best suited for storing monetary amounts with high precision?

Accepted Answer

Decimal. The Decimal data type is used for currency and precise numerical calculations in Apex.

Answer

Double

Answer

String

Answer

Integer

Question 5

What is the return type of a SOQL query that returns a single aggregate result, such as SELECT COUNT() FROM Account?

Accepted Answer

Integer. A SOQL query using COUNT() without a GROUP BY clause returns an Integer representing the row count.

Answer

AggregateResult

Answer

Decimal

Answer

List<SObject>

Question 6

An Apex trigger executes during a bulk insert of 300 records. To adhere to best practices regarding governor limits and bulkification, how should SOQL queries be written?

Accepted Answer

Query once outside the loop using a collection of IDs from Trigger.new. Queries must be written using bulkified collections, querying once outside of loops using bind variables for all records in Trigger.new.

Answer

Query inside a for-loop iterating over Trigger.new

Answer

Query each record individually using Limits.getQueries() checks

Answer

Use an asynchronous future method for every individual record

Question 7

A developer is writing a test method that performs a callout to an external REST service. Which interface must the developer implement to provide mock responses during the unit test execution?

Accepted Answer

HttpCalloutMock. HttpCalloutMock is the interface implemented to supply a mock HTTP response during test context when callouts are made.

Answer

InstallHandler

Answer

Schedulable

Answer

Database.Batchable

Question 8

Which THREE best practices should a developer follow to avoid governor limits when writing SOQL queries in Apex? Choose 3 options.

Accepted Answer

Query only the specific fields needed rather than using SELECT *.. Best practices include avoiding queries inside loops, using bind variables, and querying only necessary fields.

Answer

Execute a separate SOQL query for every child record individually.

Answer

Always use SELECT FIELDS(ALL) to ensure all data is retrieved.

Question 9

Which TWO statements about SOQL relationship queries are true? Choose 2 options.

Accepted Answer

Child-to-parent queries use dot notation (e.g., Account.Name).. Parent-to-child queries use subqueries in parentheses, and child-to-parent queries use dot notation.

Answer

SOQL supports traversing up to 10 levels of parent relationships.

Answer

Parent-to-child queries use dot notation on the parent object.

Answer

Child-to-parent queries require subqueries.

Question 10

Which TWO of the following statements about Trigger.new and Trigger.old are accurate?

Accepted Answer

Trigger.old is available in update triggers. Trigger.new is always present on insert/update; Trigger.old is always present on update/delete.

Answer

Trigger.old is available in insert triggers

Answer

Trigger.newMap is available in before insert

Answer

Trigger.new is available in delete triggers