SALESFORCE-PD1 Process Automation And Logic Practice Test 5 — 15 Questions

Question 1

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?

Choose an answer to begin — your selection is scored in the full session.

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 2

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 3

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 4

A developer writes a trigger that calls a future method. Inside the same transaction, the trigger also performs a DML operation on records that are referenced by the future method. What exception might occur?

Accepted Answer

System.AsyncException due to calling a future method from another asynchronous context or batch. Passing sObject IDs to a future method when the underlying records are locked or modified rapidly in mixed DML or same-transaction contexts can lead to System.AsyncException or unexpected state issues, though specifically mixed DML involves setup and non-setup objects.

Answer

System.LimitException due to query row limits

Answer

System.NullPointerException

Answer

System.TypeException

Question 5

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 6

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 7

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 8

Which trigger context variable is available exclusively in before insert, before update, and before delete triggers to modify field values?

Accepted Answer

Trigger.new. Trigger.new contains sObjects that can be modified in-flight during before insert and before update triggers.

Answer

Trigger.old

Answer

Trigger.oldMap

Answer

Trigger.newMap

Question 9

What is the synchronous governor limit for the total number of SOQL queries issued in a single Apex transaction?

Accepted Answer

100. The synchronous governor limit for SOQL queries per transaction is 100.

Answer

200 locs

Answer

200

Answer

50

Question 10

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 11

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 12

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

Question 13

During the execution of a trigger, an unhandled exception occurs in an after update trigger. What happens to the database transaction?

Accepted Answer

The entire transaction is rolled back, and no changes are saved to the database.. An unhandled exception in any trigger causes the entire database transaction to roll back entirely.

Answer

Only the records that caused the exception are rolled back; successful records are committed.

Answer

The transaction pauses until the exception is manually resolved by an admin.

Answer

The records are saved, and an email is sent to the system administrator without rolling back.

Question 14

Which interface enables an Apex class to be invoked from a Flow using the InvocableAction framework?

Accepted Answer

None, it uses the @InvocableMethod annotation.. Methods annotated with @InvocableMethod allow Apex to be called from declarative flows.

Answer

Database.Batchable

Answer

Schedulable

Answer

Queueable

Question 15

A developer has a requirement to perform a callout to an external ERP system immediately when an Opportunity reaches Closed Won. The developer decides to use a future method from an after update trigger. What is a primary architectural limitation of this approach?

Accepted Answer

Future methods cannot accept sObject instances as parameters, requiring ID serialization/deserialization and additional SOQL queries.. Future methods cannot accept sObjects as arguments, requiring the trigger to pass primitive IDs, and they cannot guarantee exact execution order when multiple asynchronous requests fire.

Answer

Future methods cannot make callouts to external systems.

Answer

Future methods execute synchronously in the same database transaction.

Answer

Future methods are limited to 1 callout per transaction.