Best Tips To Pass Your Salesforce Certified Platform Developer II PDII Exam

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1. How should a developer assert that a trigger with an asynchronous process has successfully run?

Create at test data in the test class, use System.runAs() to invoke the trigger, then perform assertions.

Insert records into Salesforce, use seeAllData-true, then perform assertions.

Create all test data, use @future In the test class, then perform assertions.

Create all test data in the test class, invoke Test.startTest() and Test.stopTest() and then perform assertions,

2. Refer to the code snippet below:

A custom object called Credit_Memo_c exist in a Salesforce environment. As part of a new feature development that retrieves and manipulates this type of record, the developer needs to ensure race conditions are prevented when a set of records are modified within an Apex transaction.

In the preceding Apex code, how can the developer alter the query statement to use SOQL features to prevent race condition within a transaction?

A)

Option A

Option B

Option C

Option D

3. Lightning Aura Component

Given the code above, which two changes need to be made in the Apex Controller for the code to work' Choose 2 answers

Change the method signature to be global static, not public static.

Change the argument from JSONObject to String.

Annotate the entire class as @AuraEnabled instead of just the single method.

Remove line 06 from the Apex Controller and use firstName In the return.

4. UC Loans is a small company with a part time Salesforce administrator. UC Loans wants to create a Loan__c record whenever an Opportunity is won .

What is the optimal solution for UC Loans to accomplish this?

Quick Action

Apex Trigger

Process Builder

Workflow Rule

5. Given the following containment hierarchy:

What is the correct way to communicate the new value of a property named ''passthrough'' to my-parent component if the property is defined within my-child-component?

A)

Option A

Option B

Option C

Option D

6. A company wants to run different logic based on an Opportunity's record type .

Which code segment handles this request and follows best practices?

A)

Option A

Option B

7. The progress of an apex job queued is using the System.enqueueJob method and needs to be monitored.

Which options are valid? (Choose two.)

Use the Apex Jobs page in setup

Query the Queueable Apex record

Query the AsyncApexJob record

Use the Scheduled Jobs page in setup

8. Choose the correct definition for <apex:actionFunction>.

Allows for controller methods to be called directly from Javascript. Must be| encapsulated in <apex:form> tags. Unlike actionSupport, these function<apex:actionPoller>s can be called directly from Javascript code B Sends an AJAX request according to the time interval you specify. If this ever gets re-rendered, it resets

Adds AJAX support to another component (e.g. onClick, onMouseUp, onFocus, etc.)

Can be associated with an AJAX request (actionFunction/actionSupport/actionPoller) and shows content conditionally depending on the status of the request (in progress/complete). Use the "id" field to specify name; use "status" field on related components to connect them

Signifies which components should be processed by the server when an AJAX request is generated

9. A company uses an external system to manage its custom account territory assignments. Every quarter, millions of Accounts may be updated in Salesforce with new Owners when the territory assignments are completed in the external system .

What is the optimal way to update the Accounts from the external system?

Apex REST Web Service

Composite REST API

SOAP API

Bulk API

10. A developer is building a Lightning web component that retrieves data from Salesforce and assigns it to the record property.

What must be done in the component to get the data from Salesforce?

A)

Option A

Option B

Option C

Option D

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11. A developer has a test class that creates test data before making a mock call-out, but now receives a you have uncommitted work pending. Please commit or callout before calling out error.

What step should be taken to resolve the error?

Ensure both the insertion and mock callout occur after the Test.stopTest().

Ensure the records are inserted before the Test.startTest() statement and the mock callout occurs within a method annotated with @testSetup.

Ensure both the insertion and mock callout occur after the Test.startTest().

Ensure the records are inserted before the Test.startTest() statement and the mock callout after the Test.startTest().

12. A company needs to automatically delete sensitive information after 7 years. This could delete almost a million records every day.

How can this be achieved?

Schedule an ©future process to Query records older than 7 years, and then recursively invoke itself in 1,000 record batches to delete them.

Perform a SOSL statement to find records older than 7 years, and then delete the entire result set.

Use aggregate functions to query for records older than 7 years, and then delete the AggregateResult objects.

Schedule a batch Apex process to run every day that Queries and deletes records older than 7 years.

13. As part of a custom development, a developer creates a Lightning Component to show how a particular opportunity progresses over time.

The component must display the date stamp when any of the following fields change:

• Amount Probability, Stage, or Close Date

What is the most efficient way to Query such information?

[Select Amount, CloseDate, StageName, Probability FROM OpportunityHistory WHERE Opportunityld = :oppId];

[Select Newvalue, Oldvalue From OpportunityField_History Where Oppportunity = oppid AND Field IN

[Select NewValue, Oldvalue FROM Opportunity FieldHistory WHERE Opportunityld = :oppId AND Field IN

('StageName', Probability',Amount /CloseDate')];

[Select Amount CloseDate. StageName, Probability FROM Opportunity_History WHERE Opportunityld - :oppId];

14. A developer created a new trigger that inserts a Task when a new Lead is created. After deploying to production, an outside integration is periodically reporting errors.

Which change should the developer make to ensure the integration is not affected with minimal impact to business logic?

Use a Try/Catch block after the insert statement.

Remove the Apex Class from the Integration User's Profile.

Deactivate the Trigger before the Integration runs.

Use the Database method with allOrNone set to False.

15. A company uses Opportunism to track sales to their customers and their org has millions of Opportunities. They want to begging to track revenue over time through a related Revenue object.

As part of their initial implementation, they want to perform a one-time seeding of their data by automatically creating and populating Revenue records for Opportunities, based on complex logic. They estimate that roughly 100,000 Opportunities will have revenue records and populated.

What is the optimal way to automate this?

Use System.enqueueJob>() to Invoke a Queueable class.

Use System.scheduleJob() to schedule a Database.Scheduleable class.

Use Database.executeBatch() to invoke a Queueable dass.

Use Database.txtcuteBatch() to invoke a Database.Batchable class.

16. When developing a Lightning web component, which setting displays lightning-layout-items in one column on small devices, such as mobile phones, and in two columns on tablet-size and desktop-size screens?

Set size=M6" mobile-device-size="12"

Set size-"12" medium-device-size="6"

Set size-"12" tablet-device-size-"6"

Set size-"6" small-device-size-"12"

17. If you have a method "doStuff(List<sObject> records)", which is a valid call?

doStuff([Select Id From Account]);

doStuff(List<Account> records);

doStuff(Account acct);

doStuff(sObject obj);

18. Which statement is true about using ConnectApi namespace (also called Chatter in Apex)? (Choose two.)

Chatter in Apex methods honor the 'with sharing' and 'without sharing' keywords

Chatter in Apex operations are synchronous, and they occur immediately

Chatter in Apex methods do not run in system mode; they run in the context of the current user

Many test methods related to Chatter in Apex require the IsTest (SeeAIIData=true) annotation

19. What is a potential design issue with the following code?

SOQL could be avoided by creating a formula field for StageName in Account from the related Opportunity

The code will result in a System.LimitException : Too many script statements error

The code will result in a System.DmException:Entity_is_Deleted error

The code will result in a System.LimitException: Apex CPU time limit exceeded error

20. A developer is developing a reusable Aura component that will reside on an sObject

Lightning page with the following HTML snippet:

Caura: component implements-“forcethaaRecordid, flexipage:availableForAllPageTypes”>

<div>Hello!</div>

</aura:component>

How can the component’s controller get the context of the Lightning page that the sobject is an without

requiring additional best coverage?

Use the getSObjectType () method in an Apex class

Create a design attribute and configure via App Builder

Set the object type as a component attribute.

Add force:hasSobjectName to the implements attribute

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21. What is the best practice to initialize a Visualforce page in a test class?

Use Test.setCurrentpage,MyTestPage;

Use Test.currentpage, getParameter, put (MyTestPage);

Use Test, setCurrentPage(Page.MyTestPage);

Use controller,currentPage, setPage (MyTestPage

22. Which two queries are selective SOQL queries and can be used for a large data set of 200,000 Account records? Choose 2 answers

SELECT id FROM ACCOUNT WHERE Name = !: ''

SELECT id FROM ACCOUNT WHERE Name = Null

SELECT id FROM ACCOUNT WHERE Name = Null AND Customer_Number_c= 'ValueA'

SELECT id FROM ACCOUNT WHERE id IN (list of Account Ids)

23. A Visualforce page contains an industry select list and displays a table of Accounts that have a matching value in their Industry field.

When a user changes the value in the industry select list, the table of Accounts should be automatically updated to show the Accounts associated with the selected industry.

What is the optimal way to implement this?

Add an <apex: actionFunction> within the <apex : selectOptions>.

Add an <apex: actionFunction> within the <apex: select List >.

Add an <apex: actionSupport> within the <apex:selectList>.

Add an <apex: actionSupport> within the <apex: selectOptions>.

24. The test method above calls an @future method that increments the Number_of_Times_Viewed__c value. The assertion is failing because the Number_of_Times_Viewed__c equals 0 .

What is the optimal way to fix this?

Change the initialization to acct.Number_Of_Times_Viewed__c = 1.

Change the assertion to System.assertEquals(0, acctAfter.Number_Of_Times_Viewed__c).

Add Test.startTest() before and Test.stopTest() after AuditUtil.incrementViewed.

Add Test.startTest() before and Test.stopTest() after insert acct

25. A developer i$ tasked Dy Unversai Containers to build out a system to track the container repair process. Containers should be tracked as they move through the repair process, starting when a customer reports an issue and ending when the container is returned to the customer.

Which solution meets these business requirements while following best practices?

Use Flow Builder|.to develop a Sites page for customers to submit repair requests and track the status of their request.

involve a Salesforce administrator and build out a declarative solution that works in Salesforce desktop and mobile.

Build an automated Lightning Application using Application Events to ensure data integrity.

Use Platform Events with Workflow Rules and RFID integration to ensure proper tracking of the containers.

26. Which annotation exposes an Apex class as a RESTful neb service?

@RemoteAction

@RestRtsoorct

@AuraEnaWed

@HttpInvocabte

27. Assuming the CreateOneAccount class creates one account and implements the Queuetable interface, which syntax tests the Apex code?

A)

Option A

Option B

Option C

Option D

28. Salesforce users consistently receive a "Maximum trigger depth exceeded" error when saving m Account.

How can a developer fix this error?

Split the trigger logic into two separate triggers.

Modify the trigger to use the isMultiThread=true annotation.

Convert trigger to use the ©future annotation, and chain any subsequent trigger invocations to the Account object.

Use a helper class to set a Boolean to TRUE the first time a trigger is fired, and then; modify the trigger to only fire when modify the trigger to only fire when the Boolean is FALS

29. Refer to re code segment above.

When following best practices for writing Apex taggers, which two lots are wrong or cause for concern? Choose 2 answers

Line 6

Line 11

Line 16

Line 20

30. A developer created a Lightning web component that uses a Lightning-record-edit-form to collect information about Leads. Users complain that they only see one error message at a time when they save a Lead record.

Which best practice should the developer use to perform the validations, and allow more than one error message to be displayed simultaneously?

Client-side validation

Process Builder

Apex REST

Custom validation rules

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31. A developer is writing a Visualforce page that queries accounts in the system and presents a data table with the results. The users want to be able to filter the results based on up to

five fields. However, the users want to pick the five fields to use as filter fields when they run the page.

Which feature of Apex code is required to facilitate this solution?

REST API

Dynamic Schema binding

describeSObjects()

SOSL queries

32. What is the optimal technique a developer should use to programmatically retrieve Global Picklist options in a Test Method?

Perform a callout to the Metadata AP

Use the Schema namespace.

Perform a SOQL Query.

Use a static resource.

33. A company has many different unit test methods that create Account records as part of their data setup. A new required field was added to the Account and now all of the unit tests fail .

What is the optimal way for a developer to fix the issue?

Add the required field to the data setup for all of the unit tests.

Add a before insert trigger on Account to set the value of the required field.

Create a TestDataFactory class that serves as the single place to create Accounts for unit tests and set the required field there.

Change the required field to be a validation rule that excludes the System Administrator profile.

34. A Visualforce page loads slowly due to the large amount of data it displays .

Which strategy can a developer use to improve the performance?

use lazy loading to load the data on demand, instead of in the controller's constructor.

use an <apex:actionPoller> in the page to load all of the data asynchronously.

use Javascript to move data processing to the browser instead of the controller.

Use the transient keyword for the List variables used in the custom controller.

35. Which three actions must be completed in a Lightning web component for a JavaScript file in a static resource to be loaded? Choose 3 answers

Reference the static resource in a <script> tag.

Import the static resource.

Import a method from the platformftesourceLoader,

Call loadscript.

Append the static resource to the DO

36. A developer needs to implement a system audit feature that allows users, assigned to a custom profile named "Auditors", to perform searches against the historical records in the Account object. The developer must ensure the search is able to return history records that are between 12 and 24 months old.

Given the code below, which select statement should be inserted below as a valid way to retrieve the Account History records ranging from 12 to 24 month old?

A)

Option A

Option B

Option C

Option D

37. Which tag should a developer use to display different text while an <apex:commandButton> is executing versus not executing?

38. Business rules require a Contact to always be created when a new Account is created .

What can be used when developing a custom screen to ensure an Account is not created if the creation of the Contact fails?

use the Database.Delete method if the Contact insertion fails.

Disable validation rules on Contacts and set default values with a Trigger.

use the Database.Insert method with allOrNone set to False.

use setSavePoint() and rollback() with a try/catch block.

39. What can be done to improve the performance of the insert trigger shown above?

Option A

Option B

Option C

Option D

40. A company recently deployed a Visualforce page with a custom controller that has a data grid of information about Opportunities in the org.

Users report that they receive a ''Maximum view state size limit'' error message under certain conditions.

According to Visualforce best practice, which three actions should the developer take to reduce the view state? Choose 3 answers

Use the transient keyword in the Apex controller for variables that do not maintain state.

Use the final keyword In the controller for variables that will not change.

Refine any SQQL queries to return only data relevant to the page.

Use the private keyword in the controller for variables

Use filters and pagination to reduce the amount of data.

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41. There is an Apex controller and a Visualforce page in an org that displays records with a custom filter consisting of a combination of picklist values selected by the user.

The page takes too long to display results for some of the input combinations, while for other input choices it throws the exception, *Maximum view state size limit exceeded.

What step should the developer take to resolve this issue?

Split the layout to filter records in one Visualforce page and display the list of records in a second page using the same Apex Controller.

Adjust any code that filters by picklist values since they are not indexed.

Use a StandardSetController or SOQL LIMIT in the Apex controller to limit the number of records displayed at a time.

Remove instances of the transient keyword from the Apex controller to avoid the view state error.

42. If you wanted to create a record following the update of another (with data from the source object), what is the most customizable approach?

Workflow Rule

Process Builder

After update Trigger

Flow

43. Consider the following code snippet, depicting an Azure component:

Which two interfaces can the developer implement to make the component available as a quick action? Choose 2 answers

Force:lightningQuicAction

Force:hasRecordId

Force hasObjectName

Lightning QuickActionAPI

Force:lightningQuickActionWithoutHeader

44. A developer created an Apex class that makes outbound RESTful callout. The following was created to send a fake response in Apex test methods.

Which method can be called to return this fake response in the test methods?

TestsetMock

TestcreateStub

testSetup

Test.setTestData

45. How can Apex be used with Visual Workflow?

To set the version of a Flow being run

To start a Flow automatically

To add custom styling to a Flow

To control access to a Flow

46. Customer billing data must be added and updated into Salesforce from a remote system on a weekly basis. Additionally, customer activity information must be extracted from Salesforce and put it into an on-premises data warehouse on a weekly basis.

Which approach should be used to import data into Salesforce and export data out of Salesforce, taking into consideration that these imports and exports can interfere with end-user operations during business hours and involve large amounts of data?

Call-in directly from each remote system to Salesforce APIs to push and pull the data

Salesforce Connect to push data to and pull data from the remote systems

Batch Apex, where Salesforce pushes data to and pulls data from the remote systems

Replication via third-party ETL to push data into Salesforce and pull data out in batches

47. Example 1: AggregateResult[] groupedResults = [SELECT Campaignid, AVG(Amount) FROM Opportunity GROUP BY CampaignId]; for (AggregateResult ar : groupedResuits) { System.debug ('Campaign ID' + ar.get('CampaignId'-); System.debug ('Average amount' + ar.get('exprd')); }

Example 2: AggregateResult[] groupedResults = [SELECT Campaignid, AVG(Amount) theAverage FROM Opportunity GROUP BY Campaignid]; for (AggregateResult ar : groupedResuits) { System.debug(*Campaign ID' + ar.get('CampaignId')); System.debug ('Average amount' + ar.get('theAverage')); }

Example 3: AggregateResult[] groupedResults = [SELECT CampaignId, AVG(Amount) FROM Opportunity GROUP BY CampaignId]; for (AggregateResult ar : groupedResuits) System.debug(*Campaign ID' + ar.get('CampaignId')); System.debug('Average amount' + ar.get.AVG(-); }

Example 4:AggregateResult[] groupedResults = [SELECT CampaigniId, AVG(Amount) theAverage FROM Opportunity GROUP BY Campaignid]; for (AggregateResult ar : groupedResults) { System.debug('Campaign ID' + ar.get('CampaignId')); System.debug ('Average amount' + ar.theAverage-; }

Which two of the examples above have correct System.debug statements? Choose 2 answers

Example 1

Example 2

Example 3

Example 4

48. Refer to the code snippet below:

As part of an Integration development effort, a developer is tasked to create an Apex method mat solely relies on the use of foreign identifiers In order to relate new contact records to existing Accounts in Salesforce. The account object contains a field marked as an external ID, the API Name of this field is Legacy_Id_c.

What Is the most efficient way to instantiate the parentAccount: variable on line 02 to ensure the newly created contact is properly related to the Account?

A)

Option A

Option B

Option C

Option D

49. Which of the following exceptions cannot be caught and will force an error? (Choose three.)

LimitException

AssertException

SObjectExceptions

DMLException

License exceptions

ListException

50. A developer is inserting, updating, and deleting multiple lists of records in a Single transaction and wants to ensure that any error prevents all execution.

How should the developer implement error exception handling in their code to handle this?

Use Database methods to obtain lists of Database.SaveResults.

Use Database.setSavepoint() and Database.rollBack() with a Try/Catch statement.

Use a Try/Catch and use sObject.addError() on any failures.

Use a Try/Catch statement and handle DML cleanup in the catch statement.

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51. How can a developer efficiently incorporate multiple JavaScript libraries, such as JQuery and MomenUS, in a Lightning Component?

Implement the libraries in separate helper files.

Use CONs with script attributes

Use JavaScript remoting and script tags.

Join multiple assets from a static resource.

52. As part of their quoting and ordering process, a company needs to send PDFs to their document storage system’s REST endpoint that supports OAuth 2.0. Each Salesforce user must be individually authenticated with the document storage system to send the PDF.

What is the optimal way for a developer to implement the authentication to the REST endpoint?

Named Credential with an OAuth Authentication Provider

Hierarchy Custom Setting with a password custom field

Named Credential with Password Authentication

Hierarchy Custom Setting with an OAuth token custom field

53. A company represents their customers as Accounts that have an External ID field called Customer_Number__c. They have a custom Order (Order__c) object, with a Lookup to Account, to represent Orders that are placed in their external order management system (OMS). When an order is fulfilled in the OMS, a REST call to Salesforce should be made that creates an Order record in Salesforce and retates it to the proper Account .

What is the optimal way to implement this?

Perform a REST GET on the Account and a REST POST to update the Order__c with the Account's record I

Perform a REST PATCH to upsert the Order__c and specify the Account's Customer_Number__c in it.

Perform a REST GET on the Account and a REST PATCH to upsert the Order__c with the Accounts record I

Perform a REST POST to update the Order__c and specify the Account's Customer_Number__c in it.

54. Part of a custom Lightning Component displays the total number of Opportunities in the org, which is in the millions. The Lightning Component uses an Apex Controller to get the data it needs .

What is the optimal way for a developer to get the total number of Opportunities for the Lightning Component?

SUM() SOQL aggregate query on the Opportunity object

SOQL for loop that counts the number of Opportunities records

COUNT() SOQL aggregate query on the Opportunity object

Apex Batch job that counts the number of Opportunity records

55. A developer receives complaints that the component loads slowly.

Which change can the developer implement to make the component perform faster?

Change the default for showContacrlnfo to "false".

Move the contents of <c: concacclnfo into the component.

Change the type of contactlnfo to "Map".

Add a change event handler for showContactinfo

56. Consider the following code snippet:

A developer needs to built an interactive Aura component that responds to the user's input by hiding or showing sections according the user preferences.

What are two best practices the developer can implement to hide or show the powerVserView and s-rar.daraVserView inner components, based on the value of the attribute isPowexUser? Choose 2 answers

A)

Option A

Option B

Option C

Option D