최신 CRT-450 무료덤프 - Salesforce Certified Platform Developer I

문제1

Which two are phases in the Aura application event propagation framework? Choose 2 answers

A. Emit

B. Control

C. Default

D. Bubble

정답: C,D

문제2

A developer migrated functionality from JavaScript Remoting to a Lightning web component and wants to use the existing getOpportunities() method to provide data.
What to do now?

A. The method must return a JSON Object.

B. The method must return a String of a serialized JSON Array.

C. The method must be decorated with (cacheable=true).

D. The method must be decorated with @AuraEnabled.

정답: C

문제3

A lead developer creates an Apex interface called "Laptop". Consider the following code snippet:

How can a developer use the Laptop Interface within the Silvertaptop class?

A. public calss SilverLaptop extends Laptop

B. @Interface (class=''Laptop'')
public class SilverLaptop

C. @Extends(class=Laptop'')
public class SilverLaptop

D. public class Silverlaptop implements Laptop

정답: A

문제4

Which Lightning Web Component custom event property settings enable the event to bubble up the containment hierarchy and cross the Shadow DOM boundary?

A. bubbles: false, composed: false

B. bubbles: true, composed: true

C. bubbles: false, composed: true

D. bubbles: tnje, composed: false

정답: B

문제5

A developer created a Lightning web component called statusComponent to be inserted into the Account record page.
Which two things should the developer do to make the component available?

A. Add <target> lighting _RecordPage </target> to the statusComponent.js-meta ml file.

B. Add < masterLabel>Account</master Label> to the statusComponent.js-meta ml file.

C. Add<target> Lightning_RecordPage </target> to the statusComponent.js file.

D. Add <isExposed> true</isExposed> to the statusComponent.js-meta ml file.

정답: A,D

문제6

A developer created a child Lightning web component nested inside a parent Lightning web component, parent component needs to pass a string value to the child component.
In which two ways can this be accomplished?
Choose 2 answers

A. The parent component can use a custom event to pass the data to the child component,

B. The parent component can invoke a method in the child component

C. The parent component can use the Apex controller class to send data to the child component.

D. The parent component can use a public property to pass the data to the child component.

정답: A,D

문제7

Cloud kicks has a multi-screen flow that its call center agents use when handling inbound service desk calls.
At one of the steps in the flow, the agents should be presented with a list of order numbers and dates that are retrieved from an external order management system in real time and displayed on the screen.
What should a developer use to satisfy this requirement?

A. An outbound message

B. An Apex REST class

C. An Apex controller

D. An invocable method

정답: B

문제8

What is the value of the Trigger.old context variable in a before insert trigger?

A. A list of newly created sObjects without IDs

B. null

C. Undefined

D. An empty list of sObjects

정답: D

문제9

A developer is alerted to an issue with a custom Apex trigger that is causing records to be duplicated. What is the most appropriate debugging approach to troubleshoot the issue?

A. Disable the trigger m production and test to see If the issue still occurs.

B. Use the Apex Interactive Debugger to step through the code and Identify the issue.

C. Add system.debug statements to the code to track the execution flow and identify the issue.

D. Review the Historical Event logs to Identify the source of the issue.

정답: C

문제10

Universal Containers decided to transition from Classic to Lightning Experience. They asked a developer to replace a JavaScript button that was being used to create records with prepopulated values.
What can the developer use to accomplish this?

A. Record triggered flows

B. Validation rules

C. Apex triggers

D. Quick Actions

정답: D

문제11

A developer created these three Rollup Summary fields in the custom object, Project__c:

The developer is asked to create a new field that shows the ratio between rejected and approved timesheets for a given project.
Which should the developer use to implement the business requirement in order to minimize maintenance overhead?

A. Apex trigger

B. Field Update actions

C. Formula field

D. Record-triggered flow

정답: C

문제12

As part of new feature development, a developer is asked to build a responsive application capable of responding to touch events, that will be executed on stateful clients. Which two technologies are built on a framework that fully supports the business requirement? Choose 2 answers

A. Vlsualforce Components

B. Visualforce Pages

C. Lightning Web Components

D. Aura Components

정답: A,B,D

문제13

Universal Containers wants to assess the advantages of declarative development versus programmatic customization for specific use cases in its Salesforce implementation.
What are two characteristics of declarative development over programmatic customization?
Choose 2 answers

A. Declarative development has higher design limits and query limits.

B. Declarative development can be done using the setup menu.

C. Declarative code logic does not require maintenance or review.

D. Declarative development does not require Apex test classes.

정답: B,D

문제14

A developer wrote the following two classes:

The StatusFetcher class successfully compiled and saved. However, the Calculator class has a compile time error.
How should the developer fix this code?

A. Make the isActive method in the StatusFetcher class public.

B. Change the class declaration for the Calculator class to public with inherited sharing.

C. Change the class declaration for the statusFetcher class to public with inherited sharing.

D. Make the doCalculations method in the Calculation class private.

정답: A

최신 CRT-450 무료덤프 - Salesforce Certified Platform Developer I

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