Plat-Dev-301熱門題庫，Plat-Dev-301考試證照

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Salesforce Plat-Dev-301 Exam Syllabus Topics:

Section	Weight	Objectives
Topic 1: Testing, Debugging, and Deployment	20%	- Advanced testing strategies and test frameworks - Deployment strategies, CI/CD, and change management - Debugging and error handling across layers
Topic 2: User Interface Development	20%	- Build complex Lightning Web Components and Aura Components - Optimize UI performance and usability - Implement advanced Visualforce functionality
Topic 3: Performance and Data Management	18%	- Data modeling and complex data operations - Governor limits optimization and best practices - Optimize queries and handle large data volumes
Topic 4: Advanced Developer Fundamentals	15%	- Design and maintain scalable, reusable code - Apply security best practices in development - Work with localization, multi-currency, and global features
Topic 5: Logic, Process Automation, and Integration	27%	- Asynchronous Apex: future, queueable, batch, scheduled - REST/SOAP API, Platform Events, and external integrations - Advanced Apex programming and transaction management - Complex business logic and automation design

>> Plat-Dev-301熱門題庫 <<

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最新的 Salesforce Developer Plat-Dev-301 免費考試真題 (Q15-Q20):

問題 #15
Which three Visualforce components can be used to initiate Ajax behavior to perform partial page updates?
Choose 3 answers

A. <apex:actionSupport>
B. <apex:commandButton>
C. <Apex:form>
D. <apex:actionsStatus>
E. <apex:commondLink>

答案：A,B,E

解題說明：
<apex:commandLink> and <apex:commandButton> components can cause the form data to be sent to the server and can be configured to refresh specific parts of the page.
<apex:actionSupport> adds AJAX support to other components and can trigger partial page updates based on events such as onclick, onchange, etc.
Visualforce Guide

問題 #16
A developer needs to store variables to control the style and behavior of a Lightning Web Component.
Which feature can be used to ensure that the variables are testable in both Production and all Sandboxes?

A. Custom object
B. Custom setting
C. Custom variable
D. Custom metadata

答案：D

解題說明：
Custom metadata types are the best feature for storing variables that control style and behavior of a Lightning Web Component. Unlike custom settings, custom metadata is deployable and testable in both Production and all Sandboxes.

問題 #17
The head of recruiting at Universal Containers (UC) 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 friend, apply for a position, and review the status of their current submissions.
The app will be surfaced to UC's existing iOS and Android users via the standard mobile app that Salesforce provides. It has a custom user interface design and offline access is not required.
Given these requirements, what is the recommended approach to develop the app?

A. Lightning Experience Builder
B. Lightning Web Components
C. Visualforce
D. Salesforce SDK

答案：B

問題 #18
A developer notices the execution of all the test methods in a class takes a long time to run, due to the initial setup of all the test data that is needed to perform the tests. What should the developer do to speed up test execution?

A. Ensure proper usage of test data factory in all test methods.
B. Reduce the amount of test methods in the class.
C. Define a method that creates test data and annotate with @createData.
D. Define a method that creates test data and annotate with @testSetup.

答案：D

解題說明：
Using the @testSetup annotation to define a method that creates test data before the tests run can significantly speed up test execution by reducing the setup time for each test method in the class. This method runs once before any test method in the class and can be used by all test methods.

問題 #19
A software company uses a custom object, Defact__c, to track defects in their software. Defect__c has organization-wide defaults set to private. Each Defect_ c has a related list of Reviewer < records, each with a lookup field to User that is used to indicate that the User will review the defect__c.
What should be used to give the User on the Reviewer_c record read only access to the Defect__c record on the Reviewer_c record?

A. View All on Defect__c
B. Lightning web component
C. Criteria-based sharing
D. Apex managed sharing

答案：D

解題說明：
Apex managed sharing is used to programmatically share records when organization-wide defaults are private. It allows for creating share records that give read-only access to users specified in a related list.

問題 #20
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