Platform Developer I Quiz - Rohit Wakchoure

Created on June 25, 2023 By

wakchourerohit@gmail.com

Salesforce Certified Platform Developer I Practice Q&A

1 / 60

How should a custom user interface be provided when a user edits an Account in Lightning Experience?

Override the Account’s Edit button with Lightning page.

Override the Account’s Edit button with Lightning Action

Override the Account’s Edit button with Lightning component.

Override the Account’s Edit button with Lightning Flow

2 / 60

A developer needs to confirm that a Contact trigger works correctly without changing the organization’s data.

What should the developer do to test the Contact trigger?

Use Deploy from the VSCode IDE to display an ‘insert Contact’ Apex class.

Use the Test menu on the Developer Console to run all test classes for the Contact trigger

Use the Open execute Anonymous feature on the Developer Console to run an ‘insert Contact’ DML statement

Use the New button on the Salesforce Contacts Tab to create a new Contact record.

3 / 60

A developer created a Visualforce page and custom controller to display the account type field as shown
below. Custom controller code: public class customCtrlr{ private Account theAccount; public String
actType; public customCtrlr() { theAccount = [SELECT Id, Type FROM Account WHERE Id =
:apexPages.currentPage().getParameters().get(‘id’)]; actType = theAccount.Type; } } Visualforce page
snippet: The Account Type is {!actType} The value of the account type field is not being displayed
correctly on the page. Assuming the custom controller is property referenced on the Visualforce page,
what should the developer do to correct the problem?

Add with sharing to the custom controller.

Add a getter method for the actType attribute.

Change theAccount attribute to public.

Convert theAccount.Type to a String.

4 / 60

Given the following Apex statement:
Account myAccount = [SELECT Id, Name FROM Account];
What occurs when more than one Account is returned by the SOQL query?

The variable, myAccount, is automatically cast to the List data type.

The query fails and an error is written to the debug log.

The first Account returned is assigned to myAccount.

An unhandled exception is thrown and the code terminates.

5 / 60

What are three ways for a developer to execute tests in an org?

Choose 3.

Tooling API

Setup Menu

Bulk API

Salesforce DX

Metadata API.

6 / 60

A developer writes a trigger on the Account object on the before update event that increments a count field. A workflow rule also increments the count field every time that an Account is created or update. The field update in the workflow rule is configured to not re-evaluate workflow rules. What is the value of the count field if an Account is inserted with an initial value of zero, assuming no other automation logic is implemented on the Account?

3

1

2

4

7 / 60

Which code in a Visualforce page and/or controller might present a security vulnerability?

8 / 60

A developer uses a loop to check each Contact in a list. When a Contact with the Title of
“Boss” is found, the Apex method should jump to the first line of code outside of the for
loop.
Which Apex solution will let the developer implement this requirement?

Exit

break;

Continue

Which code should be used to update an existing Visualforce page that uses standard
Visualforce components so that the page matches the look and feel of Lightning Experience?

apex:actionStatus

10 / 60

A recursive transaction is limited by a DML statement creating records for these two objects:
1. Accounts

2. Contacts
The Account trigger hits a stack depth of 16.
Which statement is true regarding the outcome of the transaction?

The transaction fails and all the changes are rolled back.

The transaction fails only if the Contact trigger stack depth is greater or equal to 16.

The transaction succeeds as long as the Contact trigger stack depth is less than 16.

The transaction succeeds and all the changes are committed to the database.

11 / 60

Which two are phases in the Salesforce Application Event propagation framework?

Choose 2 answers

Default

Capture

Bubble

12 / 60

A Visual Flow uses an apex Action to provide additional information about multiple Contacts, stored in a
custom class, contactInfo. Which is the correct definition of the Apex method that gets additional
information?

@InvocableMethod(Label=’additional Info’) public ContactInfo(Id contactId) { /*implementation*/ }

@invocableMethod(label)=’Additional Info’) public static List getInfo(List contactIds) { /*Implementation*/ }

@InvocableMethod(label=’additional Info’) public static ContactInfo getInfo(Id contactId) { /*implementation*/ }

@InvocableMethod(label=’Additional Info’) public List getInfo(List contactIds) { /*implementation*/ }

13 / 60

A developer needs to confirm that an Account trigger is working correctly without changing the
organization’s data. What would the developer do to test the Account trigger?

Use Deply from the Force.com IDE to deploy an ‘insert Account’ Apex class.

Use the Test menu on the developer Console to run all test classes for the account trigger

Use the Open Execute Anonymous feature on the Developer Console to run an ‘insert Account’ DML statement.

Use the New button on the Salesforce Accounts Tab to create a new Account record.

14 / 60

Universal Containers wants to back up all of the data and attachments in its Salesforce org once month.
Which approach should a developer use to meet this requirement?

Schedule a report.

Create a Schedulable Apex class.

Define a Data Export scheduled job.

Use the Data Loader command line.

15 / 60

Which three steps allow a custom SVG to be included in a Lightning web component?

Choose 3 answers

Import the static resource and provide a better for it in JavaScript.

Upload the SVG as a static resource.

Reference the getter in the HTML template.

Import the SVG as a content asset file.

Reference the import in the HTML template.

16 / 60

Assuming that ‘name; is a String obtained by an <apex:inputText> tag on a Visualforce page.
Which two SOQL queries performed are safe from SOQL injections?

Choose 2 answers

String query = ‘SELECT Id FROM Account WHERE Name LIKE ”%’ + name.noQuotes() + ‘%”; List results = Database.query(query);

String query = ‘%’ + name + ‘%’; List results = [SELECT Id FROM Account WHERE Name LIKE :query];

String query = ‘SELECT Id FROM Account WHERE Name LIKE ”%’ + name + ‘%”; List results = Database.query(query);

String query = ‘SELECT Id FROM Account WHERE Name LIKE ”%’ + String.escapeSingleQuotes(name) + ‘%”; List results = Database.query(query);

17 / 60

What are three considerations when using the @InvocableMethod annotation in Apex?
Choose 3 answers

A method using the @InvocableMethod annotation can be declared as Public or Global.

Only one method using the @InvocableMethod annotqation can be defined per Apex class.

A method using the @InvocableMethod annotation must be declared as static

A method using the @InvocableMethod annotation can have multiple input parameters.

A method using the @InvocableMethod annotation must define a return value.

18 / 60

Universal Containers (UC) decided it will not to send emails to support personnel directly from Salesforce
in the event that an unhandled exception occurs. Instead, UC wants an external system be notified of the
error. What is the appropriate publish/subscribe logic to meet these requirements?

Publish the error event using the Eventbus.publish() method and have the external system subscribe to the event using CometD.

Have the external system subscribe to the BatchApexError event, no publishing is necessary.

Publish the error event using the addError() method and write a trigger to subscribe to the event and notify the external system.

Publish the error event using the addError() method and have the external system subscribe to the event using CometD.

19 / 60

Which three data types can a SOQL query return?

Choose 3 answers

Integer

List

sObject

Long

20 / 60

Which aspect of Apex programming is limited due to multitenancy?

The number of records processed in a loop

The number of records returned from database queries

The number of methods in an Apex Class

The number of active Apex classes

21 / 60

What will be the output in the debug log in the event of a QueryExeption during a call to the @query method in the following Example?

Querying Accounts. Query Exception.

Querying Accounts. Custom Exception

Querying Accounts. Custom Exception Done.

Querying Accounts. Query Exception. Done

22 / 60

Universal Containers has an order system that uses an Order Number to identify an order for customers
and service agents. Order will be imported into Salesforce.

Lookup

Indirect Lookup

Direct Lookup

Number with External ID

23 / 60

Universal Container(UC) wants to lower its shipping cost while making the shipping process more
efficient. The Distribution Officer advises UC to implement global addresses to allow multiple Accounts
to share a default pickup address. The Developer is tasked to create the supporting object and
relationship for this business requirement and uses the Setup Menu to create a custom object called
“Global Address”. Which field should the developer ad to create the most efficient model that supports
the business need?

Add a Lookup field on the Global Address object to the Account object

Add a Master-Detail field on the Global Address object to the Account object.

Add a Lookup field on the Account object to the Global Address object.

Add a Master-Detail field on the Account object to the Global Address object

24 / 60

Universal Containers decides to use exclusively declarative development to build out a new
Salesforce application. Which three options should be used to build out the database layer
for the application?

Choose 3 answers

Roll-Up Summaries

Process Builder

Custom Objects and Fields

Triggers

Relationships

25 / 60

Given the following block code: try{ List <Accounts> retrievedRecords = [SELECT Id FROM Account
WHERE Website = null]; }catch(Exception e){ //manage exception logic } What should a developer do to
ensure the code execution is disrupted if the retrievedRecordslist remains empty after the SOQL query?

Replace the retrievedRecords variable declaration from ftount to a single Account.

Check the state of the retrievedRecords variable and use System.assert(false) if the variable is empty

Check the state of the retrieveRecords variable and throw a custom exception if the variable is empty.

Check the state of the retrievedRecords variable and access the first element of the list if the variable is empty.

26 / 60

A developer is creating a test coverage for a class and needs to insert records to validate functionality.
Which method annotation should be used to create records for every method in the test class?

@PreTest

@isTest(SeeAllData=True)

@TestSetup

@BeforeTest

27 / 60

A developer needs to prevent the creation of request records when certain conditions exist in the
system. A RequestLogic class exists to checks the conditions. What is the correct implementation?

Trigger RequestTrigger on Request (after insert) { RequestLogic.validateRecords {trigger.new}; }

Trigger RequestTrigger on Request (after insert) { if (RequestLogic.isValid{Request}) Request.addError {‘Your request cannot be created at this time.’}; }

Trigger RequestTrigger on Request (before insert) { if (RequestLogic.isvalid{Request}) Request.addError {‘Your request cannot be created at this time.’}; }

Trigger RequestTrigger on Request (before insert) { RequestLogic.validateRecords {trigger.new}; }

28 / 60

A developer must implement a CheckPaymentProcessor class that provides check processing payment
capabilities that adhere to what defined for payments in the PaymentProcessor interface. public
interface PaymentProcessor { void pay(Decimal amount); } Which is the correct implementation to use
the PaymentProcessor interface class?

Public class CheckPaymentProcessor extends PaymentProcessor { public void pay(Decimal amount); }

Public class CheckPaymentProcessor implements PaymentProcessor { public void pay(Decimal amount); }

Public class CheckPaymentProcessor extends PaymentProcessor { public void pay(Decimal amount) {} }

Public class CheckPaymentProcessor implements PaymentProcessor { public void pay(Decimal amount) {} }

29 / 60

Universal Containers stores the availability date on each Line Item of an Order and Orders are only
shipped when all of the Line Items are available. Which method should be used to calculate the
estimated ship date for an Order?

Use a Max Roll-Up Summary field on the Latest availability date fields.

Use a DAYS formula on each of the availability date fields and a COUNT Roll-Up Summary field on the Order.

Use a CEILING formula on each of the Latest availability date fields.

Use a LATEST formula on each of the latest availability date fields.

30 / 60

Which process automation should be used to send an outbound message without using Apex code?

Process Builder

Flow Builder

Approval Process

Workflow Rule

31 / 60

A developer has the following requirements:
Calculate the total amount on an Order.
Calculate the line amount for each Line Item based on quantity selected and price.
Move Line Items to a different Order if a Line Item is not stock.
Which relationship implementation supports these requirements?

Order has a Lookup field to Line Item and there can be many Line Items per Order.

Order has a Master-Detail field to Line Item and there can be many Line Items per Order.

Line Items has a Master-Detail field to Order and the Master can be re-parented.

Line Item has a Lookup field to Order and there can be many Line Items per Order

32 / 60

A developer creates a new Apex trigger with a helper class, and writes a test class that only exercises
95% coverage of new Apex helper class. Change Set deployment to production fails with the test
coverage warning: “Test coverage of selected Apex Trigger is 0%, at least 1% test coverage is required”
What should the developer do to successfully deploy the new Apex trigger and helper class?

Increase the test class coverage on the helper class

Run the tests using the ‘Run All Tests’ method.

Remove the falling test methods from the test class.

Create a test class and methods to cover the Apex trigger

33 / 60

While writing a test class that covers an OpportunityLineItem trigger, a Developer is unable to create a
standard PriceBook since one already exists in the org.
How should the Developer overcome this problem?

Use @TestVisible to allow the test method to see the standard PriceBook.

Use @IsTest(SeeAllData=true) and delete the existing standard PriceBook.

Use Test.loadData() and a Static Resource to load a standard Pricebook.

Use Test.getStandardPricebookId() to get the standard PriceBook ID.

34 / 60

Given the following Anonymous Block:

Which one do you like?
What should a developer consider for an environment that has over 10,000 Case records?

The transaction will fail due to exceeding the governor limit.

The try/catch block will handle exceptions thrown by governor limits.

The try/catch block will handle any DML exceptions thrown.

The transaction will succeed and changes will be committed.

35 / 60

Which exception type cannot be caught ?

LimitException

A custom Exception

NoAccessException

CalloutException

36 / 60

A developer must create a ShippingCalculator class that cannot be instantiated and must include a
working default implementation of a calculate method, that sub-classes can override. What is the
correct implementation of the ShippingCalculator class?

Public abstract class ShippingCalculator { public virtual void calculate() { /*implementation*/ } }

Public abstract class ShippingCalculator { public abstract calculate() { /*implementation*/ } }

Public abstract class ShippingCalculator { public void calculate() { /*implementation*/ } }

Public abstract class ShippingCalculator { public override calculate() { /*implementation*/ } }

37 / 60

Which statement generates a list of Leads and Contacts that have a field with the phrase ‘ACME’?

List<List > searchList = (SELECT Name, ID FROM Contact, Lead WHERE Name like ‘%ACME%’);

List<List > searchList = (FIND "*ACME*" IN ALL FIELDS RETURNING Contact, Lead);

Map searchList = (FIND "*ACME*" IN ALL FIELDS RETURNING Contact, Lead);

List searchList = (FIND "*ACME*" IN ALL FIELDS RETURNING Contact, Lead);

38 / 60

An Apex method, getAccounts, that returns a List of Accounts given a search Term, is available for
Lighting Web components to use. What is the correct definition of a Lighting Web component property
that uses the getAccounts method?

@AuraEnabled(getAccounts, ‘$searchTerm’) accountList;

@AuraEnabled(getAccounts, {searchTerm: ‘$searchTerm’}) accountList;

@wire(getAccounts, {searchTerm: ‘$searchTerm’}) accountList;

@wire(getAccounts, ‘$searchTerm’) accountList;

39 / 60

Which Salesforce feature allows a developer to see when a user last logged in to Salesforce if real-time
notification is not required?

Event Monitoring Log

Developer Log

Asynchronous Data Capture Events

Calendar Events

40 / 60

A developer is asked to create a Visualforce page that displays some Account fields as well
as fields configured on the page layout for related Contacts.
How should the developer implement this request?

Use the tag.

Add a method to the standard controller.

Use the tag.

Create a controller extension.

41 / 60

Which three statements are true regarding custom exceptions in Apex? (Choose three.)

A custom exception class can implement one or many interfaces.

A custom exception class can extend other classes besides the Exception class.

A custom exception class must extend the system Exception class.

A custom exception class name must end with “Exception”.

A custom exception class cannot contain member variables or methods.

42 / 60

Which Salesforce feature allows a developer to see when a user last logged in to Salesforce if real-time
notification is not required?

Event Monitoring Log

Asynchronous Data Capture Events

Developer Log

Calendar Events

43 / 60

Which three process automations can immediately send an email notification to the owner of an
Opportunity when its Amount is changed to be greater than $10,000?

Choose 3 answers

Flow Builder

Workflow Rule

Approval Process

Escalation Rule

Process Builder

44 / 60

Where are two locations a developer can look to find information about the status of asynchronous or
future calls?

Choose 2 answers

Apex Jobs

Apex Flex Queue

Paused Flow Interviews component

Time-Based Workflow Monitor

45 / 60

Which two events need to happen when deploying to a production org?

Choose 2 answers

All triggers must have at least 75% test coverage.

All triggers must have at least 1% test coverage.

All test and triggers must have at least 75% test coverage combined

All Apex code must have at least 75% test coverage.

46 / 60

A developer is implementing an Apex class for a financial system. Within the class, the
variables ‘creditAmount’ and ‘debtAmount’ should not be able to change once a value is
assigned. In which two ways can the developer declare the variables to ensure their value
can only be assigned one time?

Choose 2 answers

Use the final keyword and assign its value when declaring the variable.

Use the static keyword and assign its value in the class constructor.

Use the static keyword and assign its value in a static initializer.

Use the final keyword and assign its value in the class constructor.

47 / 60

A developer has a Apex controller for a Visualforce page that takes an ID as a URL parameter. How should
the developer prevent a cross site scripting vulnerability?

String.ValueOf(ApexPages.currentPage() .getParameters() .get(‘url_param’))

ApexPages.currentPage() .getParameters() .get(‘url_param’) .escapeHtml4()

String.escapeSingleQuotes(ApexPages.currentPage() .getParameters(). get(‘url_param’))

ApexPages.currentPage() .getParameters() .get(‘url_param’)

48 / 60

A Visual Flow uses an apex Action to provide additional information about multiple Contacts, stored in a
custom class, contactInfo. Which is the correct definition of the Apex method that gets additional
information?

@invocableMethod(label)=’Additional Info’) public static List getInfo(List contactIds) { /*Implementation*/ }

@InvocableMethod(label=’additional Info’) public static ContactInfo getInfo(Id contactId) { /*implementation*/ }

@InvocableMethod(label=’Additional Info’) public List getInfo(List contactIds) { /*implementation*/ }

@InvocableMethod(Label=’additional Info’) public ContactInfo(Id contactId) { /*implementation*/ }

49 / 60

The values ‘High’, ‘Medium’, and ‘Low’ are Identified as common values for multiple picklist across
different object. What is an approach a developer can take to streamline maintenance of the picklist and
their values, while also restricting the values to the ones mentioned above?

Create the Picklist on each object as a required field and select "Display values alphabeticaly, not in the order entered".

Create the Picklist on each object and select "Restrict picklist to the values defined in the value set".

Create the Picklist on each object and use a Global Picklist Value Set containing the Values.

Create the Picklist on each and add a validation rule to ensure data integrity.

50 / 60

A developer wants to retrieve the Contacts and Users with the email address ‘dev@uc.com’.
Which SOSL statement should the developer use?

FIND {Email = ‘dev@uc.com’} RETURNING Contact (Email), User (Email)

FIND Email IN Contact, User FOR {dev2uc.com}

FIND {dev@uc.com} IN Email Fields RETURNING Contact (Email), User (Email)

FIND {Email = ‘dev@uc.com’} IN Contact, User

51 / 60

Universal Containers (UC) uses a custom object called Vendor. The Vendor custom object has a Master-
Detail relationship with the standard Account object. Based on some internal discussion, the UC
administrator tried to change the Master-Detail relationship to a Lookup relationship but was not able to
do so. What is a possible reason that this change was not permitted?

The Vendor object must use a Master-Detail field for reporting.

The Account records contain Vendor roll-up summary fields.

The Vendor records have existing values in the Account object.

The Account object is included on a workflow on the Vendor object.

52 / 60

A developer has an integer variable called maxAttempts. The developer meeds to ensure that once
maxAttempts is initialized, it preserves its value for the lenght of the Apex transaction; while being able
to share the variable’s state between trigger executions. How should the developer declare
maxAttempts to meet these requirements?

Declare maxattempts as a variable on a helper class

Declare max attempts as a private static variable on a helper class

Declare maxattempts as a constant using the static and final keywords

Declare maxattempts as a member variable on the trigger definition.

53 / 60

Application Events follow the traditional publish-subscribe model. Which method is used to fire an
event?

FireEvent()

Emit()

Fire()

RegisterEvent()

54 / 60

A developer is tasked to perform a security review of the ContactSearch Apex class that exists in the
system. Whithin the class, the developer identifies the following method as a security threat:
List<Contact> performSearch(String lastName){ return Database.query(‘Select Id, FirstName, LastName
FROM Contact WHERE LastName Like %’+lastName+’%); }

What are two ways the developer can update the method to prevent a SOQL injection attack?

Choose 2 answers

Use variable binding and replace the dynamic query with a static SOQL.

Use a regular expression on the parameter to remove special characters.

Use the @Readonly annotation and the with sharing keyword on the class.

Use the escapeSingleQuote method to sanitize the parameter before its use.

55 / 60

Universal Containers stores Orders and Line Items in Salesforce. For security reason, financial
representatives are allowed to see information on the Order such as order amount, but they are not
allowed to see the Line items on the Order. Which type of relationship should be used?

Indirect lookup

Lookup

Master Detail

Direct Lookup

56 / 60

Which salesforce org has a complete duplicate copy of the production org including data
and configuration?

Partial Copy Sandbox

Production

Developer Pro Sandbox

Full Sandbox

57 / 60

An org has an existing Visual Flow that creates an Opportunity with an Update records element. A
developer must update the Visual Flow also created a Contact and store the created Contact’s ID on the
Opportunity.

Add a new Create records element.

Add a new Get Records element.

Add a new Quick Action (of type create) element.

Add a new Update records element

58 / 60

A Next Best Action strategy uses an Enchance Element that invokes an Apex method to determine a
discount level for a Contact, based on a number of factors. What is the correct definition of the Apex
method?

@InvocableMethod global static ListRecommendation getLevel(List input) { /*implementation*/ }

@InvocableMethod global List<List> getLevel(List input) { /*implementation*/ }

@InvocableMethod global static List<List> getLevel(List input) { /*implementation*/ }

@InvocableMethod global Recommendation getLevel (ContactWrapper input) { /*implementation*/ }

59 / 60

A developer must modify the following code snippet to prevent the number of SOQL queries issued from
exceeding the platform governor limit. public class without sharing OpportunityService( public static
List<OpportunityLineItem> getOpportunityProducts(Set<Id> opportunityIds){ List<OpportunitylineItem>
oppLineItems = new List<OpportunityLineItem>(); for(Id thisOppId : opportunityIds){
oppLineItems.addAll([Select Id FROM OpportunityLineItems WHERE OpportunityId = :thisOppId)]; }
return oppLineItems; } }
The above method might be called during a trigger execution via a Lightning component. Which
technique should be implemented to avoid reaching the governor limit?

Refactor the code above to perform only one SOQL query, filtering by the Set of opportunityIds.

Use the System.Limits.getQueries() method to ensure the number of queries is less than 100.

Refector the code above to perform the SOQL query only if the Set of opportunityIds contains less 100 Ids.

Use the System.Limits.getlimitQueries() method to ensure the number of queries is less than 100.

60 / 60

A developer must create a DrawList class that provides capabilities defined in the Sortable and Drawable
interfaces. public interface Sortable { void sort(); } public interface Drawable { void draw(); } Which is the
correct implementation?

Public class DrawList extends Sortable, Drawable { public void sort() { /*implementation*/} public void draw() { /*implementation*/} }

Public class DrawList implements Sortable, Implements Drawable { public void sort() { /*implementation*/} public void draw() { /*implementation*/} ]

Public class DrawList extends Sortable, extends Sortable, extends Drawable { public void sort() { /*implementation*/ } public void draw() { /* implementation */}

Public class DrawList implements Sortable, Drawable { public void sort() { /*implementation*/} public void draw() { /*implementation*/} }

Your score is

The average score is 77%

0%