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Salesforce Certified Platform Developer II Practice Test - Questions Answers, Page 32

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List of questions

Question 311

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Which technique can run custom logic when a Lightning web component is loaded?

Question 312

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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 scr

Question 313

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A company accepts orders for customers in their enterprise resource planning (ERP) crder__c records with a lookup field to Account. The Account object has an External ID field, ERP_Customer_ID__c.

Question 314

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Given the following containment hierarchy: What is the correct way to communicate the new value of a property named "passthrough" to myparent component if the property is defined within my-child-

Question 315

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A developer receives complaints that the component loads slowly. Which change can the developer implement to make the component perform faster?

Question 316

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

Question 317

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A company wants to run different logic based on an Opportunity's record type. Which code segment handles this request and follows best practices?

Question 318

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After a Platform Event Is defined in a Salesforce org, events can be published via which two mechanisms? Choose 2 answers

Question 319

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A lead developer for a Salesforce organization needs to develop a page-centric application that allows the user to interact with multiple objects related to a Contact The application needs to implem

Question 320

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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 relat

Related questions

A developer is experiencing issues with a Lightning web component. The component must surface information about Opportunity owned by the currently logged-in user. When the component is rendered, the following message is displayed: "Error retrieving data" Which modification should be implemented to the Apex class to overcome the issue?

Just prior to a new deployment, the Salesforce Administrator who configured a new order fulfillment process in a developer sandbox suddenly left the company. The users had fully tested all of the changes in the sandbox and signed off on them. Unfortunately, although a Change Set was started, it was not complete. A developer is brought in to help finish the deployment. What should the developer do to identify the configuration changes that need to be moved into production?

As part of a new integration, a developer is asked to implement a new custom search functionality that is capable of performing unrestricted queries and can account for all values within a custom picklist field, type__z, on the Opportunity object. The search feature must also account for NULL values. The organization-wide default for the Opportunity object is set to Public Read-Only, and a new custom index has. been created for the Type__c field. There are more than 5 million Opportunity records within the environment. and a considerable amount of the existing records have NULL values for the picklist Which technique should the developer implement to maximize performance when querying NULL values?

Refer to the following code snippet: A developer created a JavaScript function as part of a Lightning web component (LWC) that surfaces information about Leads by wire calling geyFetchLeadList whencertain criteria are met. Which three changes should the developer implement in the Apex class above to ensure the LWC can display data efficiently while preserving security? Choose 3 answers

A developer is developing a reuseable Aura Component that will reside on an sObject Lightning Page with the following HTML snippet: <aura:component implements="force:hasRecordId,flexipage:availableForAIIPageTypesM> <div>Hello!</div> </aura:component> How can the component's Controller get the context of the Lightning Page that the sObject is on without requiring additional test coverage?

A developer wants to write a generic Apex method that will compare the Salesforce Name filed between any two object records, for example to compare the Name field of an Account and an Opportunity; or the name of an Account and a Contact. How should the developer do this?

Given the following code: Assuming there were 10 Contacts and five Accounts created today, what is the expected result?

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

A Visualforce page loads slowly due to the large amount of data it displays. Which strategy can a developer use to improve the performance?

Universal Containers decided to use Salesforce to manage a new hire interview process. A custom object called candidate as created with organization-wide default set to Private. A lookup on the Candidate object sets an employee as an the viewer user

Question 311

Which technique can run custom logic when a Lightning web component is loaded?

Call SA.enqueueAction passing in the method to call.

Use the connectedCallback () method.

Use an aura:handler "init" event to call a function.

Use the renderedCallback ( ) method.

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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"

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Question 313

A company accepts orders for customers in their enterprise resource planning (ERP) crder__c records with a lookup field to Account. The Account object has an External ID field, ERP_Customer_ID__c.

What should the integration use to create new Order__c records that will automatically be related to the correct Account?

Upsert on the Account and specify the ERP_Customer_ID__c.

Merge on the Order__c object and specify the ERP_Customer_ID__c.

Insert on the Order__c object followed by an update on the Order__c object.

Upsert on the Order__c object and specify the ERP_Customer_ID__c.

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Question 314

Given the following containment hierarchy:

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

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Question 315

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

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Question 316

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)

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Question 317

A company wants to run different logic based on an Opportunity's record type. Which code segment handles this request and follows best practices?

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Question 318

After a Platform Event Is defined in a Salesforce org, events can be published via which two mechanisms?

Choose 2 answers

Internal Apps can use Outbound Messages.

Internal Apps can use Process Builder.

External Apps require the standard Streaming API

External Apps use an API to publish event messages

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Question 319

A lead developer for a Salesforce organization needs to develop a page-centric application that allows the user to interact with multiple objects related to a Contact The application needs to implement a third-party JavaScript framework such as Angular, and must be made available in both Classic and Lightning Experience.

Given these requirements, what is the recommended solution to develop the application?

Aura Components

Lightning Web Components

Visualforce

Lightning Experience Builder

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Question 320

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?

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