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Salesforce Certified Platform Developer II Practice Test - Questions Answers, Page 30

Question list

List of questions

Question 291

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A lead developer is creating tests for a Lightning web component. The component re-renders when a property called bypassSelection. changes its value. What should the developer use to the test that

Question 292

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The head of recruiting at Universal Containers wants to provide all internal users the ability to search for open positions by role, department, and location via a new recruiting app, In addition to

Question 293

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

Question 294

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Refer to the code snippet below: When a Lightning web component is rendered, a list of opportunity that match certain criteria should be retrieved from the database and displayed to the end-user.

Question 295

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A developer 15 tasked with creating an application-centric feature on which end-users can access and update information. This feature must be available in lightning Experience while working seamless

Question 296

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Refer to the markup below: A Lightning web component displays the Account name and two custom fields out of 275 that exist on the object. The developer receives complaints that the component perfor

Question 297

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A developer has a Visual force page that automatically assign ownership of an Account to a queue save. The page appears to correctly assign ownership, but an assertion validating the correct ownersh

Question 298

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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, t

Question 299

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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

Question 300

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

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 291

A lead developer is creating tests for a Lightning web component. The component re-renders when a property called bypassSelection. changes its value.

What should the developer use to the test that the component re-renders successfully when the property changes?

Promise. resolve ( )

dispatchEvent (new CustomEvent (' bypassSelection'))

Windows, Setinterval ( )

Windows, set State ( )

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The head of recruiting at Universal Containers wants to provide all internal users the ability to search for open positions by role, department, and location via a new recruiting app, In addition to search, users of the app should be able to refer a fried, apply for a position, and review the status of their current submissions. The app should be made available in Salesforce Mobile, but offline access is not required.

Given these requirements, what is the recommended approach to developer the app?

Visualforce

Lightning Web Components

Lightning Experience Builder

Salesforce SDK

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Question 293

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

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Question 294

Refer to the code snippet below:

When a Lightning web component is rendered, a list of opportunity that match certain criteria should be retrieved from the database and displayed to the end-user.

Which three considerations must the developer implement to make the fetchOpps method available within the Lightning web component?

The fetchOpps method must be annotated with the @InvocableMethod annotation.

The fetchOpps method must specify the (continustion-true) attribute

The fetchOpps method cannot mutate the result set retrieved from the database.

The fetchOpps method must specify the (cacheable =true) attribute

The fecthOpps method must be annotated with the @ AuraEnabled annotation.

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Question 295

A developer 15 tasked with creating an application-centric feature on which end-users can access and update information. This feature must be available in lightning Experience while working seamlessly in multiple device form factors, such as desktops, phones, and tablets. Additionally, the feature must support Addressable URL Tabs and interact with the Salesforce Console APIs.

What arm two approaches a developer can take to build the application and support the business requirements?

Choose 2 answers

Create the application using Aura Components wrapped in Lightning Web Components.

Create the application using Lightning web Components wrapped in Aura Components.

Create application using Aura Components.

Create the application using Lightning Experience Builder.

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Question 296

Refer to the markup below:

A Lightning web component displays the Account name and two custom fields out of 275 that exist on the object. The developer receives complaints that the component performs slowly.

What can the developer do to improve the performance?

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Question 297

A developer has a Visual force page that automatically assign ownership of an Account to a queue save. The page appears to correctly assign ownership, but an assertion validating the correct ownership fails.

What can cause this problem?

The test class does not use the Bulk API for loading test data.

The test class does not retrieve the updated value from the database.

The test class does not use the seeAllData=true annotation,

The test class does not implement the Queueabfe interface.

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Question 298

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?

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Question 299

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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Question 300

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

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