A developer writes the following code:

While testing the code, the developer receives the following error message:

System.CalloutException : You have uncommitted work pending

What should the developer do? (Choose two.)

A. Use the asyncSend() method of the HTTP class to send the request in async context

B. Ensure all callouts are completed prior to executing DML statements

C. Move the web service callout into an @future method

D. Use Database.insert (order, true) to immediately commit any database changes

Which of the following object types can be used with a Web Service?

A. Maps

B. Sets

C. Pattern objects

D. Matcher objects

E. Lists

F. Exception objects

A developer is creating a Lightning web component that contains a child component. The property stage is being passed from the parent to the child. The public property is changing, but the setOppList function is not being invoked.

What should the developer change to allow this?

A. Move the logic from connectedCalIback() to constructor().

B. Create a custom event from the parent component to set the property.

C. Move the logic from connectedCallback() nto renderedCallback().

D. Move the logic to a getter/setter pair.

A Visualforce Page throws an Attempt to dereference a null object error for a Contact. What change In the controller will fix the error?

A. Declare a static final Contact at the top of the controller.

B. Change the setters signature to return a Contact.

C. Use a condition in the getter to return a new Contact if it is null.

D. Change the getter's signature to be static Contact.

A custom Aura component, AddressValidation,cmp,exists in the system. The Salesforce admin for the organization is unable to find and select the component while creating a quick action for the Account sObject. What should the developer do to ensure that AddressValidation,cmp can be selected when creating a quick action?

A. Ensure the component implements the lightning:actionOverride interface.

B. Ensure the component implements the force:lighningQuickAction.interface.

C. Ensure the access attribute of the aura:component tag is st t Global.

D. Ensure the component implements the force:hasRecordedId interface.

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?

A. Aura Components

B. Lightning Web Components

C. Visualforce

D. Lightning Experience Builder

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?

A. Set size=M6" mobile-device-size="12"

B. Set size-"12" medium-device-size?quot;";

C. Set size-"12" tablet-device-size-"6"

D. Set size-"6" small-device-size-"12"

Consider the following code snippet:

As part of the deployment cycle, a developer creates the following test class:

When the test class runs, the assertion fails.

Which charge should the developer implement in the Apex test method to ensure the test method execute successfully?

A. Query the Standard User into memory and enclose lines 14 and 15 within the System.runAs (user) method.

B. Add System.runAs (User) to line 14 and enclose line 14 within Test.startTest() and Test.stoptest ().

C. Query the Administrator user into memory and enclose lines 14 and 15 within the System,runAs (user) method.

D. Add @IsTest(seeAllData=True) to line 12 and enclose lines 14 and 15 within Test.startTest () and test.stopTest()

Account object has a field, Audit_Code__, that is used to specify what type of auditing the Account needs and a Lookup to user, Auditor__ that is the assigned auditor.

When an Account is initially created, the user specifies the Audit_Code__. Each User in the org has a unique text field, that is used to automatically assign the correct user to the Account Auditor__ field.

What should be changed to most optimize the code's efficiency? Choose 2 answers

A. Build a Map> of audit code to accounts.

B. Add an initial SOQL query to get all distinct audit codes.

C. Add a WHERE clause to the SOQL query to filter On audit codes.

D. Build a Map > of Account Id to audit codes.

A developer is creating a Lightning web component that can be added to a Lightning App Page and displayed when the page Is rendered in desktop and mobile phone format. To ensure a great mobile experience, the developer chooses to use the SLDS grid utility.

Which two Lighting web components should the developer implement to ensure the application Is mobile-ready? Choose 2 answers

A.

B.

C.

D.