1

Which annotation is used to expose an Apex method as a REST web service?

A@AuraEnabled B@RestResource C@RemoteAction D@InvocableMethod

2

What is the maximum number of SOQL queries allowed in a synchronous Apex transaction?

A50 B150 C100 D200

3

Which keyword is used to share data between Apex classes in the same transaction?

Astatic Bglobal Cvirtual Dtransient

4

In a Lightning Web Component, how do you decorate a property so it is reactive and reflected in the template?

A@api B@wire C@AuraEnabled D@track

5

Which Apex exception type is thrown when a DML operation fails a validation rule?

AQueryException BDmlException CNullPointerException DTypeException

6

What does the Apex Test.startTest() method do?

AStarts a new Apex transaction BExecutes all asynchronous jobs immediately CResets governor limits for the test code block DValidates all test assertions

7

Which SOQL clause is used to aggregate records and filter the aggregated results?

AHAVING BWHERE CGROUP BY DORDER BY

8

Which trigger context variable returns the IDs of the records being processed?

ATrigger.new BTrigger.old CTrigger.newMap DTrigger.newMap.keySet()

9

In LWC, which decorator is used to expose a property to the parent component?

A@track B@api C@wire D@AuraEnabled

10

What is the best practice to avoid SOQL queries inside for-loops?

AUse Database.query() instead BIncrease governor limits via custom settings CBulkify code: query once, store in a Map or List before the loop DUse @future methods for every SOQL call

11

Which method is used to perform a partial DML operation that does not throw an exception on failure?

ADatabase.insert(records, false) Binsert records allOrNone=false CDatabase.insert(records, true) DDatabase.saveSome(records)

12

Which Salesforce feature allows you to call an Apex method from a Flow?

A@AuraEnabled B@RestResource C@future D@InvocableMethod

13

What is SOSL primarily used for?

AQuerying a single object with complex WHERE clauses BSearching across multiple objects simultaneously CAggregating numeric fields across records DPerforming DML on multiple object types

14

Which Apex class is used to schedule Apex jobs to run at a specified time?

AQueueable BBatchable CSchedulable DCallable

15

In LWC, how do you call an Apex method using the wire service?

A@wire(apexMethodName, { param: '$property' }) B@api apexMethodName Cimport { apexMethodName } from 'lightning/apex' DconnectedCallback() { apexMethodName(); }

16

What is the maximum heap size for a synchronous Apex transaction?

A3 MB B10 MB C2 MB D6 MB

17

Which trigger event fires after a record is permanently deleted?

Abefore delete Bafter delete Cafter undelete Dbefore undelete

18

What does the @AuraEnabled(cacheable=true) annotation enable in LWC?

AAllows the method to make callouts BAllows the method to perform DML CAllows the method to be used with @wire and enables caching DAllows the method to run asynchronously

19

Which interface must be implemented to process records in an Apex Batch class?

ADatabase.Batchable BDatabase.Schedulable CDatabase.Queueable DDatabase.Callable

20

In Visualforce, how do you reference a controller method that returns data to the page?

A{!controller.methodName} B<apex:method name="methodName"/> Capex:callMethod D{!propertyName} (via a getter/property in the controller)

21

Which Salesforce tool is used to retrieve and deploy metadata between orgs?

AData Loader BSalesforce CLI (sf / sfdx) CWorkbench DDeveloper Console

22

What is the correct way to dispatch a custom event in LWC?

Athis.emit('myevent', detail) Bthis.fire(new CustomEvent('myevent')) Cthis.dispatchEvent(new CustomEvent('myevent', { detail: data })) Dthis.publish(new CustomEvent('myevent'))

23

Which governor limit applies to the total number of DML statements in a single transaction?

A150 DML statements B100 DML statements C50 DML statements D200 DML statements

24

In Apex, what is the use of the 'with sharing' keyword?

AGrants full access to all records regardless of user permissions BAllows sharing rules to be created programmatically CDisables all CRUD and FLS checks DEnforces the current user's sharing rules when accessing records

25

Which method in the Batchable interface is called once after all batches have processed?

Aexecute() Bfinish() Cstart() Dcomplete()

26

What is the purpose of the Schema.SObjectType class in Apex?

ATo execute SOQL dynamically BTo perform DML on generic sObjects CTo describe metadata about objects and fields at runtime DTo create new custom objects programmatically

27

Which platform event characteristic ensures that a subscriber does not miss events?

AReplay ID — subscribers can replay from a specific event position BPlatform events are synchronous CSubscribers must be in the same org DEvents are stored indefinitely

28

In LWC, which lifecycle hook is equivalent to the Aura component's init handler?

ArenderedCallback() BdisconnectedCallback() CerrorCallback() DconnectedCallback()

29

What is the maximum number of records that can be processed in a single Apex Batch execute() call by default?

A1000 B200 C2000 D500

30

Which HTTP method should a RESTful Apex endpoint use to retrieve a resource?

APOST BPUT CGET DPATCH

31

What does the Apex keyword 'transient' do in a Visualforce controller?

AExcludes the variable from being stored in the view state BMakes the variable available globally CMarks the variable as read-only DPrevents DML operations on the variable

32

Which Salesforce DX concept represents a version-controlled, source-of-truth project structure?

ADeveloper Edition BSandbox CChange Set DScratch Org with Source-Driven Development

33

What is required in every Apex test class?

AA minimum of 100% code coverage BThe @isTest annotation CAt least one DML statement DThe extends Test class declaration

34

Which method is used to upsert a record using an external ID field?

ADatabase.update(record, externalIdField) Binsert(record, externalId) Cupsert record externalIdField__c DDatabase.merge(record, externalIdField)

35

Which element is used in LWC HTML templates to conditionally render elements without creating a DOM node?

A<template if:true={condition}> B<div lwc:if={condition}> C<apex:outputPanel rendered="{!condition}"> D<c-conditional show={condition}>

36

Which Apex class enables HTTP callouts to external services?

ARestContext BWebServiceCallout CExternalService DHttp, HttpRequest, HttpResponse

37

In Apex triggers, when is Trigger.old NOT available?

AAfter update BBefore insert CBefore delete DAfter delete

38

What is the purpose of Named Credentials in Salesforce?

ATo store user passwords for Salesforce login BTo define field-level security for sensitive fields CTo securely store endpoint URLs and authentication details for callouts DTo grant external users access to Salesforce records

39

Which method must be used to mock an HTTP callout in Apex tests?

ATest.setMock(HttpCalloutMock.class, new MyMockClass()) BHttp.setMock(new MyMockClass()) CTest.setHttpMock(new MyMockClass()) DDatabase.setMock(HttpCalloutMock.class, mock)

40

What does the Salesforce Lightning Data Service (LDS) provide in LWC?

AA way to style components with SLDS tokens BA service to manage component state globally CA REST API for Salesforce data access DStandard wire adapters for loading, saving, and deleting records without Apex

41

Which SOQL keyword retrieves child records along with parent records in a single query?

ALEFT JOIN BNested SELECT (sub-select) CINNER SELECT DFETCH RELATED

42

What is a Salesforce scratch org primarily used for?

ALong-term staging environment for UAT BProduction-like environment with real customer data CTemporary, configurable environment for development and testing with Salesforce DX DAn org used exclusively for running Apex tests

43

In the Apex order of execution, when do before-triggers fire relative to validation rules?

ABefore-triggers fire before validation rules BBefore-triggers fire after validation rules CBoth fire simultaneously DValidation rules always override before-triggers

44

Which method of Test class is used to verify that a specific exception was thrown?

ASystem.assertException() BTest.expectException() CAssert.throws() Dtry/catch block with System.assert(false) in the try block after the throw

45

What is the purpose of the @future annotation in Apex?

ATo schedule a method to run once daily BTo run a method asynchronously in its own transaction CTo expose an Apex method as a web service DTo delay execution until record processing completes

46

Which LWC base component is used to display a data table with rows and columns?

A<lightning-list> B<lightning-table> C<lightning-datatable> D<lightning-grid>

47

What is the Apex Collections limit for a single list in terms of number of elements?

AThere is no fixed element count limit — it is governed by heap size B10,000 elements C50,000 elements D1,000 elements

48

Which interface should be implemented for a class to be passed as a parameter to System.enqueueJob()?

ADatabase.Batchable BDatabase.Schedulable CDatabase.Callable DSystem.Queueable

49

In SOQL, what does the FOR UPDATE clause do?

AAllows modifying query results inline BLocks the queried records to prevent concurrent updates CReturns only records updated in the last 24 hours DMarks records for batch update

50

What is the minimum code coverage percentage required to deploy Apex code to a production org?

A100% B50% C75% D60%

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