PD 2 Certification Free Practice Mock Test 3

Take this test with no time limit and a set of 15 questions to check your preparation readiness for the PD 2 Certification Exam.

Part of a custom Lightning Component displays the total number of Opportunities in the org, which is in the millions. The Lightning 2 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?

Apex Batch job that counts the number of Opportunity records

COUNT() SOQL aggregate query on the Opportunity object

SUM() SOQL aggregate query on the Opportunity object

SOQL for loop that counts the number of Opportunities records

What is the best practice to initialize 4 Visualforce page in a test class?

Use Test. setCurrentPage (Page.MyTestPage);

Use Test. currentPage.getParameters.put (MyTestPage);

Use controller.currentPage. setPage (MyTestPage) :

Use Test.setCurrentPage.MyTestPage;

Just prior to a new deployment the Salesforce administrator, who configured a new order fulfillment process feature in a developer sandbox, ———— q suddenly left the company. Calculator i As part of the UAT cycle, the users had fully tested all of the changes in the sandbox and signed off on them; making the Order fulfillment \ feature ready for its go-live in the production environment. Unfortunately although a Change Set was started, it was not completed by the former administrator. A developer is brought in to finish the Pencil & Paper | deployment. | ' What should the developer do to identify the configuration changes that need to be moved into production?

Leverage the Setup Audit Trail to review the changes made by the departed Administrator and identify which changes should be - Written : added to the Change Set.

In Salesforce setup, look at the last modified date for every object to determine which should be added to the Change Set.

Set up Continuous Integration and a Git repository to automatically merge all changes from the sandbox metadata with the production metadata.

Use the Metadata API and a supported development IDE to push all of the configuration from the sandbox into production to ensure no changes are lost.

As part of point-to-point integration, a developer must call an external web service which, due to high demand, takes a long time to provide . a response. As part of the request, the developer must collect key inputs from the end user before making the callout. Calculator i Which two elements should the developer use to implement these business requirements?Choose 2 answers

Screen Flow

Lightning web component

Process Builder

Apex method that returns a Continuation object

Universal Containers requested the addition of a third-party Map widget to an existing Lightning web component. Which two actions should the developer take to implement this requirement? Choose 2 answers

Import the third-party JavaScript module directly into the component.

Use a content distribution network and include tags In the component.

Import LoadScript from lightning/platformResourceLoader.

Upload the third-party JavaScript library as a static resource that imports into the component.

A company has a custom object, Order__c, that has a custom picklist field, Status__c, with values of 'New,' "In Progress,’ or ‘Fulfilled’ and a . lookup field, Contact__c, to Contact. i Which SOQL query will return a unique list of all the Contact records that have no ‘Fulfilled’ Orders?

SELECT Id FROM Contact WHERE Id NOT IN (SELECT Contact_¢ FROM Order _c¢ WHERE Status_¢ = "Fulfilled')

SELECT Contact_¢ FROM Order_¢ WHERE Status_¢ 'Fulfillied'

SELECT Id FROM Contact WHERE Id NOT IN (SELECT Id FROM Order__c WHERE Status__c = 'Fulfiiled')

SELECT Contact_c¢ FROM Order_c WHERE Id NOT IN (SELECT Id FROM Order_c Where Status__coe = "Fulfilled')

A Lightning web component exists in the system and displays information about the record in context as a modal. Salesforce administrators . need to use this component within the Lightning App Builder. Which two settings should the developer configure within the xml resource file? Choose 2 answers

Set the Isvisible attribute to true.

Specify the target to be lightning __RecordPage.

Specify the target to be lightning AppPage.

Set the Isexposed attribute to true.

A Salesforce org has more than 50,000 contacts. A new business process requires a calculation that aggregates data from all of these contact records. This calculation needs to run once a day after business hours. Which two steps should a developer take to accomplish this? Choose 2 answers

Use the ¢future annotation on the method that performs the aggregate calculation.

Implement the schedulable interface in the class that contains the aggregate calculation method.

Use the @readonly annotation on the method that performs the aggregate calculation.

Implement the queuable interface in the class that contains the aggregate calculation method.

A Visualforce page needs to make a callout to get billing information and tax information from two different REST endpoints. The information needs to be displayed to the user at the same time and the return value of the billing information contains the input for the tax information callout. Each endpoint might take up to two minutes to process. How should a developer implement the callouts?

A Continuation for the billing callout and an HTTP REST callout for the tax callout

A Continuation for both the billing callout and the tax callout

An HTTP REST callout for the billing callout and a Continuation for the tax callout

An HTTP REST callout for both the billing callout and the tax callout

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 = q 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?

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

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.

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

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

Which statement is considered a best practice for writing bulk safe Apex triggers?

Add LIMIT 50000 to every SOQL statement.

Instead of DML statements, use the Database methods with allorNone set to false.

Add records to collections and perform DML operations against these collections.

Perform all DML operations from within a future method.

A company has a custom component that allows users to search for records of a certain object type by invoking an Apex Controller that returns a list of results based on the user's input. When the search is completed, a searchComplete event is fired, with the results put ina results attribute of the event. The component is designed to be used within other components and may appear on a single page more than once. What is the optimal code that should be added to fire the event when the search has completed?

Var evt = component.getEvent ("searchComplete"); evt.setParams((results: results)); eve. fire();

var evt = SA.get ("e.c.searchComplete") 7 evt.set("v.results", results); evt.fire():

Var evt = SA.get("e.c.searchComplete"); @Vt.setParams((results: results}); evt.fire();

var evt = component.getEvent (“searchComplete"); evt.set("v.results", results); evt. fire();

A developer is creating a page in App Builder that will be used in the Salesforce mobile app. ~ / J Calculator | Which two practices should the developer follow to ensure the page operates with optimal performance? Choose 2 answers

Limit five visible components on the page.

Limit 25 fields on the record detail page.

Limit the number of Tabs and Accordion components.

Universal Containers implements a private sharing model for the convention_Attendee__c¢ custom object. As part of a new quality assurance effort, the company created an Event_Reviewer__c user lookup field on the object. Management wants the event reviewer to automatically gain Read/Wnite access to every record they are assigned to. What is the best approach to ensure the assigned reviewer obtains Read/Write access to the record?

Create criteria-based sharing rules on the Convention Attendee custom object to share the records with the Event Reviewers.

Create a before insert trigger on the Convention Attendee custom object, and use Apex Sharing Reasons and Apex Managed Sharing.

Create an after insert trigger on the Convention Attendee custom object, and use Apex Sharing Reasons and Apex Managed Sharing.

Create a criteria-based sharing rule on the Convention Attendee custom object to share the records with a group of Event Reviewers.

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