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Salesforce Plat-Dev-301 Exam Syllabus Topics:

Section	Weight	Objectives
Data Modeling	12%	- Large data volumes considerations - External objects and data sources - Advanced object relationships and data modeling
Testing, Debugging, and Deployment	15%	- Deployment tools (SFDX, Metadata API) - Apex unit testing best practices - Debugging and performance profiling - Test data strategies and mocking
User Interface	18%	- Lightning Data Service - Aura Components - Visualforce advanced controllers - Lightning Web Components (LWC) advanced features
Architecture	18%	- Governor limits and bulkification - Namespace and package management - Apex Enterprise Patterns - Design patterns and Apex trigger frameworks
Integration	15%	- REST and SOAP web services (Apex callouts) - Platform Events and Change Data Capture - Named Credentials and authentication - External Services and Connect REST API
Logic and Process Automation	22%	- Advanced Apex programming - Dynamic Apex and SOQL/SOSL - Invocable Actions and Platform Events - Asynchronous Apex (Batch, Queueable, Future, Scheduled)

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Salesforce Certified Platform Developer II - Multiple Choice Sample Questions (Q135-Q140):

NEW QUESTION # 135
An org has a requirement that addresses on Contacts and Accounts should be normalized to a company standard by Apex code any time that they are saved.
What is the optimal way to implement this?

A. Apex triggers on Contact and Account that normalize the address
B. Apex triggers on Contact and Account that call a helper class to normalize the address
C. Apex trigger on Account that calls the Contact trigger to normalize the address
D. Apex trigger on Contact that calls the Account trigger to normalize the address

Answer: B

Explanation:
Apex triggers on Contact and Account with a helper class is the best practice for code reuse and maintaining clean trigger logic.

NEW QUESTION # 136
A company has a Lightning page with many Lightning Components, some that cache reference dat a. It is reported that the page does not always show the most current reference data.
What can a developer use to analyze and diagnose the problem in the Lightning page?

A. Salesforce Lightning Inspector Event Log tab
B. Salesforce Lightning Inspector Actions tab
C. Salesforce Lightning Inspector Storage tab
D. Salesforce Lightning Inspector Transactions tab

Answer: C

Explanation:
The Storage tab in the Salesforce Lightning Inspector can be used to view and manage data stored on the client side, such as in the cache. This is useful for diagnosing issues related to stale or outdated cache data that may prevent the most current reference data from displaying.

NEW QUESTION # 137
A developer is inserting, updating, and deleting multiple lists of records in a single transaction and wants to ensure that any error prevents all execution.
How should the developer implement error exception handling in their code to handle this?

A. Use Database.setSavepoint {} and Database.rollBack with a try-catch statement.
B. Use a try-catch statement and handle DML cleanup in the catch statement,
C. Use a try-catch and use sObject.addError() on any failures.
D. Use Database methods to obtain lists of Database.SaveResults.

Answer: A

Explanation:
Using Database.setSavepoint() and Database.rollback() within a try-catch statement is the recommended approach for handling transactions that involve multiple DML operations. This allows the developer to roll back all changes if an error occurs, ensuring that partial changes are not committed to the database.

NEW QUESTION # 138
A developer is asked to develop a new AppFxchange application. A feature of the program creates Survey records when a Case reaches a certain stage and is of a certain Record Type. This feature needs to be configurable, as different Salesforce instances require Surveys at different times. Additionally, the out-of-the-box AppExchange app needs to come with a set of best practice settings that apply to most customers.
What should the developer use to store and package the custom configuration settings for the app?

A. Custom labels
B. Custom metadata
C. Custom settings
D. Custom objects

Answer: B

Explanation:
Custom metadata is best for storing configurable settings. It's deployable, packageable, and upgradeable. Allows different configurations for different instances.

NEW QUESTION # 139
A developer created a JavaScript library that simplifies the development of repetitive tasks and features and uploaded the library as a static resource called rsutils in Salesforce. Another developer is coding a new Lightning web component (LWC) and wants to leverage the library, Which statement properly loads the static resource within the LWC?

A. impore {jsUtilities} from '@salasforce/resourceUrl/jsUtils';
B. <lightning-require scripts="{|$Resource,jaUtils}"/>
C. const jsUtilivy = SA.get{'SResource.isUtils');
D. import jsUtilities from '@salesforce/rescurceUr1/jaUtiles';

Answer: A

Explanation:
To load a static resource within a Lightning web component, you should use an import statement with the @salesforce/resourceUrl module. This statement correctly refers to the static resource by its name.

NEW QUESTION # 140
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