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Salesforce Certified Platform Developer II Practice Test - Questions Answers, Page 22

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List of questions

Question 211

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Users report that a button on a custom Lightning Web Component is not working. However, there are no other details provided. What should the developer use to ensure error messages are properly displ

Question 212

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A developer receives the exception 'SOQL query not selective enough' when performing a query on an object with a large amount of dat a. Which step should be taken to resolve the issue?

Question 213

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How should a developer verify that a specific Account record is being tested in a test class for a visualforce controller?

Question 214

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A managed package uses a list of country ISO codes and country names as references data in many different places.. managed package Apex code. What is the optimal way to store and retrieve the list?

Question 215

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A Lightning Component has a section that displays some information about an Account and it works well on the desktop, but users have to scroll horizontally to see the Description field output on the

Question 216

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A developer sees test failures in the sandbox but not in production. No code or metadata changes have been actively made to either environment since the sandbox was created. Which consideration sho

Question 217

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Consider the following queries. For these queries, assume that there are more than 200,000 Account records. These records include soft-deleted records; that is, deleted records that are still in the

Question 218

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A developer wants to use an Aura Component with a Custom Action. What should be considered in order to do this?

Question 219

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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 se

Question 220

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Universal Containers needs to integrate with a Heroku service that resizes product images submitted by users. What are two alternatives to implement the integration and protect against malicious ca

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?

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?

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

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

Universal Containers wants to be able to bring up an Account detail page and view a table of containers currently being rented. The user wants to be able to dick on a container In the table and quickly edit and save the location of the container. In addition to this, the page should have a section that shows the location of each container on a map. Universal Containers wants the map to re-render whenever the location of a container is changed. What can a developer use to accomplish this task?

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 Apex code feature is required to facilitate this solution'

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?

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

Question 211

Users report that a button on a custom Lightning Web Component is not working. However, there are no other details provided. What should the developer use to ensure error messages are properly displayed?

Add the <apex:messages/> tag to the component.

Use the Database method with allOrNone set to false.

Add a Try/Catch block surrounding the DML statement.

Add JavaScript and HTML to display an error message.

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Question 212

A developer receives the exception 'SOQL query not selective enough' when performing a query on an object with a large amount of dat a. Which step should be taken to resolve the issue?

Use an ID in the WHERE clause of the SOQL query.

Perform the SOQL query as part of a FOR loop.

Perform the SOQL query via a call to the REST API.

Move the SOQL query to within an asynchronous process.

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Question 213

How should a developer verify that a specific Account record is being tested in a test class for a visualforce controller?

Insert the Account in the test class, instantiate the page reference in the test class, then use System.currentPageReference().getParameters{}.put() to set the Account ID.

Instantiate the page reference in the test class, insert the Account in the test class, then use seeAHData-true to view the Account.

Insert the Account into Salesforce, instantiate the page reference in the test class, then use System.setParentRecordId().get() to set the Account ID.

Instantiate the page reference in the test class, insert the Account in the test class, then use System.setParentRecordld().get() to set the Account ID.

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Question 214

A managed package uses a list of country ISO codes and country names as references data in many different places.. managed package Apex code.

What is the optimal way to store and retrieve the list?

Store the information in Custom Metadata and query it with SOQL.

Store the information in Custom Metadata and access it with the getAll() method.

Store the information in a List Custom Setting and query it with SOQL.

Store the information in a list Custom Setting and access it with the getAll() method

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Question 215

A Lightning Component has a section that displays some information about an Account and it works well on the desktop, but users have to scroll horizontally to see the Description field output on their mobile devices and tablets.

Which option has the changes to make the component responsive for mobile and tablet devices?

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Question 216

A developer sees test failures in the sandbox but not in production. No code or metadata changes have been actively made to either environment since the sandbox was created.

Which consideration should be checked to resolve the issue?

Ensure the Apex Classes are on the same API version.

Ensure Process Builder processes are inactive.

Ensure the sandbox is on the same release as production.

Ensure Workflow Rules are inactive.

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Question 217

Consider the following queries. For these queries, assume that there are more than 200,000 Account records. These records include soft-deleted records; that is, deleted records that are still in the Recycle Bin. Note that there are two fields that are marked as External Id on the Account. These fields are Customer_Number__c and ERP_Key__c.

Which two queries are optimized for large data volumes? Choose 2 answers

SELECT Id FROM Account WHERE Id IN : aListVariable

SELECT Id FROM Account WHERE Name != ' ' AND IsDeleted = false

SELECT Id FROM Account WHERE Name != NULL

SELECT Id FROM Account WHERE Name != ' ' AND Customer Number c = 'ValueA'

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Question 218

A developer wants to use an Aura Component with a Custom Action.

What should be considered in order to do this?

A default value must be provided for each component attribute marked as required.

The component must implement the force:lightningQuickActionButton interface.

The component's JavaScript controller must handle a method on initialization.

The class "slds-modal__container" must be added to the top-level element of the component.

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Question 219

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 in a 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?

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Question 220

Universal Containers needs to integrate with a Heroku service that resizes product images submitted by users.

What are two alternatives to implement the integration and protect against malicious calls to Heroku app's endpoint? Choose 2 answers

Create a trigger that uses an @future Apex HTTP callout passing JSON serialized data and someform of pre-shared secret key. so that the Heroku app can authenticate requests and store the resizedimages in Salesforce.

Create a trigger that uses an @future Apex HTTP callout passing JSON serialized data; thereforethe Heroku app can automatically reply back to the callout with the resized images in Salesforce.

Create a Workflow Rule with an Outbound Message and select Send Session ID so that the Heroku app can use it to send the resized images back to Salesforce.

Create a Workflow Rule with an Outbound Message allowing the Heroku app to automatically store the resized images in Salesforce.

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