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Salesforce Plat-Dev-301 Exam Syllabus Topics:

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

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Plat-Dev-301 Preparation - Salesforce Salesforce Certified Platform Developer II - Multiple Choice - Latest New Plat-Dev-301 Study Materials

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Salesforce Certified Platform Developer II - Multiple Choice Sample Questions (Q202-Q207):

NEW QUESTION # 202
A developer wrote an Apex class to make several callouts to an external system.
If the URLs used in these callouts will change often, which feature should the developer use to minimize changes needed to the Apex class?

A. Remote Site Settings
B. Session Id
C. Named Credentials
D. Connected Apps

Answer: C

Explanation:
The correct feature to use is C, Named Credentials. Named Credentials are a secure way of storing the endpoint and authentication details for callouts to external services. When URLs change frequently, using Named Credentials allows you to manage the endpoint URL in one place without changing the Apex code.
Named Credentials

NEW QUESTION # 203
A Lightning web component exists in the system and displays information about the record in context as a medal. Salesforce administrators need to use this component within the Lightning App Builder, Which two settings should the developer configure within the xml resource file?
Choose 2 answers

A. Set the IsExposed=d attribute to true.
B. Specify the target to be lightning_AppPage
C. Specify the target to be lightning_RecordPage
D. Set the IsVisible attribute to true

Answer: A,C

Explanation:
To make a Lightning web component available in the Lightning App Builder, the developer must specify the target where the component can be placed (e.g., record pages) in the .xml file and set the isExposed attribute to true. Expose Lightning Web Components for Flow Screens, Quick Actions, App Builder, and Experience Builder

NEW QUESTION # 204
Assuming the CreateOneAccount class creates one account and implements the Queueable interface, which syntax properly tests the Apex code?
A)

B)

C)

D)

A. Option D
B. Option A
C. Option C
D. Option B

Answer: D

Explanation:
To test Queueable Apex, Test.startTest() and Test.stopTest() should be used to ensure the asynchronous code is executed before assertions are made. After calling Test.stopTest(), you would then query for the records to assert that the queueable job correctly created the Account records.

NEW QUESTION # 205
A company's support process dictates that any time a case is closed with a status of "Could net fix," an Engineering Review custom object record should be created and populated with information from the case, the contact, and any of the products associated with the case.
What Is the correct way to automate this using an Apex trigger?

A. An after upset trigger on Case that creates the Engineering Review record and inserts It .
B. A before upset trigger on Case that creates the Engineering Review record and Inserts it
C. A before update trigger on Case that creates the Engineering Review record and Inserts It
D. An after update trigger on Case that creates the Engineering Review record and inserts it

Answer: D

Explanation:
In Salesforce, triggers can be defined to execute before or after a DML operation. An "after" trigger is used when you want to use the records that have been changed and rely on their committed values. In this scenario, you would use an after update trigger because you need to create a new record (Engineering Review) after the case has been updated with a status of "Could not fix". This cannot be done in a "before" trigger because the changes have not yet been committed to the database.
Therefore, the correct answer is A, which specifies an after update trigger on the Case object to create and insert the Engineering Review record.
Salesforce Developer Documentation on Triggers: Apex Developer Guide - Triggers

NEW QUESTION # 206
Universal Containers wants to notify an external system in the event that an unhandled exception occurs when their nightly Apex batch job runs.
What is the appropriate publish/subscribe logic to meet this requirement?

A. Have the external system subscribe to a standardPlatform Event that gets fired with with Eventbus.publish(1.
B. Have the external system subscribe to a standard Platform Event that gets fired.
C. Have the external system subscribe to a customPlatform Event that gets fired with EventBus.publish(1,
D. Have the external system subscribe to a custom Platform Event that gets fired with addError{).

Answer: C

Explanation:
To notify an external system about an unhandled exception in a batch job, the appropriate approach is to have the external system subscribe to a custom Platform Event that gets published using EventBus.publish(). When an exception occurs, the batch job can publish this event which the external system can listen for and respond to accordingly. Reference:
Platform Events Developer Guide

NEW QUESTION # 207
......

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