SALESFORCE-PD1 Process Automation And Logic Practice Test 7 — 15 Questions

Question 1

A developer needs to execute lightweight asynchronous logic that is chainable and allows passing complex objects to the background job. Which asynchronous feature should the developer implement?

Accepted Answer

Queueable Apex. Queueable Apex supports complex member variables including sObjects and custom Apex types, and it can be chained. Future methods only support primitive types and collections of primitive types.

Answer

Schedulable Apex

Answer

Future methods

Answer

Batch Apex

Question 2

A developer has written a Before Insert trigger on the Contact object that needs to validate user input and potentially prevent the record from saving. Which method on the Trigger context or record instance should the developer use to flag an error?

Accepted Answer

Record.addError(). To prevent a record from saving in a before trigger, the developer must use the addError() method on the sObject record instance.

Answer

ApexPages.addMessage()

Answer

Trigger.addError()

Answer

System.assert()

Question 3

During the Salesforce save order of execution, when are before triggers executed relative to custom validation rules?

Accepted Answer

Before triggers execute before custom validation rules.. Before triggers execute before custom validation rules are evaluated, allowing developers to modify field values before validation checks run.

Answer

Before triggers execute after custom validation rules.

Answer

Before triggers execute after the record is committed to the database.

Answer

Before triggers execute concurrently with custom validation rules.

Question 4

A developer is implementing a Batch Apex class to process 500,000 Contact records. Which method defines the starting point and retrieves the records to be processed?

Accepted Answer

Database.QueryLocator start(Database.BatchableContext BC). The start method of a Database.Batchable class returns either a Database.QueryLocator or an Iterable that defines the records to be processed.

Answer

void execute(Database.BatchableContext BC, List<SObject> scope)

Answer

void finish(Database.BatchableContext BC)

Answer

Database.BatchableContext start(Database.BatchableContext BC)

Question 5

A developer creates a Trigger on the Account object that performs a SOQL query inside a for loop. While testing with bulk data operations, the developer encounters a governor limit exception. Which limit is most likely exceeded?

Accepted Answer

Total number of SOQL queries issued (100). Executing SOQL queries inside a loop without bulkification easily causes the total number of SOQL queries issued per transaction (100) to be exceeded.

Answer

Maximum CPU time on a Salesforce server (10,000 milliseconds)

Answer

Total heap size allocated (6 MB)

Answer

Total number of DML statements issued (150)

Question 6

A developer needs to invoke an asynchronous method from a standard synchronous Apex trigger. The asynchronous method must be annotated with which keyword?

Accepted Answer

@future. Methods intended to run asynchronously outside the current request must be annotated with @future.

Answer

@AuraEnabled

Answer

@InvocableMethod

Answer

@testVisible

Question 7

A developer implements a Queueable class that makes an external REST callout. The developer needs to test this class using Test.startTest() and Test.stopTest(). What is required for the callout to succeed in the test method?

Accepted Answer

Implement the HttpCalloutMock interface and assign it using Test.setMock(). Callouts are not allowed in test methods unless mocked. The test must implement the HttpCalloutMock interface to simulate the response.

Answer

Set the remote site setting active in the test context.

Answer

Use the Database.AllowsCallouts interface on the test class.

Answer

Wrap the callout in a try-catch block to bypass test restrictions.

Question 8

Which trigger context variable returns a map of IDs to the new versions of the sObject records?

Accepted Answer

Trigger.newMap. Trigger.newMap contains the map of IDs to the new versions of the sObject records, available only in update, undelete, and after insert contexts.

Answer

Trigger.old

Answer

Trigger.new

Answer

Trigger.oldMap

Question 9

An architect is designing an automation solution and wants to decide between a Record-Triggered Flow and an Apex Trigger. Which scenario heavily favors choosing an Apex Trigger?

Accepted Answer

Performing sequential HTTP callouts and complex JSON parsing in response to record inserts. Complex integrations, callouts, and heavy algorithmic processing across multiple disparate objects often necessitate Apex triggers over declarative flows.

Answer

Creating a task for the record owner upon lead conversion

Answer

Updating a field on a related parent record when a child record is created

Answer

Sending a standard email alert when a picklist value changes

Question 10

What is the maximum number of asynchronous batch jobs that can be queued or active concurrently in the Flex Queue?

Accepted Answer

100. Salesforce allows up to 100 batch jobs to be placed in the holding queue (Flex Queue) waiting for execution.

Answer

5

Answer

250

Answer

50

Question 11

A developer needs to ensure that an Apex trigger fires only during the after insert context. Which check should be placed at the beginning of the trigger body?

Accepted Answer

if (Trigger.isAfter && Trigger.isInsert). Checking Trigger.isAfter and Trigger.isInsert ensures the code runs only during the desired trigger event.

Answer

if (Trigger.size > 0)

Answer

if (Trigger.isExecuting)

Answer

if (Trigger.isBefore && Trigger.isUpdate)

Question 12

A developer is writing a Queueable class that needs to make a callout and also perform a DML operation afterward in the same transaction. Which interface must be added to the Queueable class definition?

Accepted Answer

Database.AllowsCallouts. To make HTTP callouts in Queueable Apex, the class must implement the Database.AllowsCallouts interface.

Answer

Schedulable

Answer

Database.Batchable<SObject>

Answer

InstallHandler

Question 13

When should a developer choose Flow Builder over Apex for implementing business automation logic?

Accepted Answer

When standard screen interactions, record modifications, and maintenance by administrators are prioritized.. Flow Builder is recommended for standard record transformations, screen prompts, and declarative logic because it is faster to build and maintain.

Answer

When implementing custom encryption algorithms.

Answer

When complex web service callouts with complex XML namespaces need to be parsed.

Answer

When processing millions of records asynchronously in background batches.

Question 14

A developer has a trigger that updates parent Account records when Child Contacts are modified. To prevent infinite recursion, the developer uses a static boolean variable in a helper class. What is a key limitation of using static variables for recursion control in Salesforce?

Accepted Answer

Static variables reset at the end of each transaction, and do not protect against separate transactions or certain bulk test setups.. Static variables persist only for the duration of a single transaction; if a secondary transaction or test context restarts, the static variable resets.

Answer

Static variables persist across multiple user transactions, causing triggers to never fire again.

Answer

Static variables cause governor limit exceptions on heap size.

Answer

Static variables are prohibited in trigger helper classes.

Question 15

A developer needs to run a batch job that queries records and updates them. What is the default batch size if no optional batch size parameter is specified in Database.executeBatch()?

Accepted Answer

200. The default batch size for Database.executeBatch() is 200 records if not specified.

Answer

50

Answer

2000

Answer

500