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Salesforce Plat-Dev-301 Exam Syllabus Topics:

Section	Weight	Objectives
Topic 1: Architecture	18%	- Design patterns and Apex trigger frameworks - Governor limits and bulkification - Apex Enterprise Patterns - Namespace and package management
Topic 2: Logic and Process Automation	22%	- Advanced Apex programming - Invocable Actions and Platform Events - Dynamic Apex and SOQL/SOSL - Asynchronous Apex (Batch, Queueable, Future, Scheduled)
Topic 3: Data Modeling	12%	- Large data volumes considerations - External objects and data sources - Advanced object relationships and data modeling
Topic 4: User Interface	18%	- Aura Components - Lightning Data Service - Visualforce advanced controllers - Lightning Web Components (LWC) advanced features
Topic 5: Integration	15%	- REST and SOAP web services (Apex callouts) - Platform Events and Change Data Capture - External Services and Connect REST API - Named Credentials and authentication
Topic 6: Testing, Debugging, and Deployment	15%	- Test data strategies and mocking - Debugging and performance profiling - Deployment tools (SFDX, Metadata API) - Apex unit testing best practices

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Salesforce Certified Platform Developer II - Multiple Choice Sample Questions (Q159-Q164):

NEW QUESTION # 159
A user receives the generic "An internal server error has occurred" while interacting with a custom Lightning component.
What should the developer do to ensure a more meaningful message?

A. Use platform events to process the error
B. Add an onerror event handler to the tag.
C. Use an AuraHandledexception in a try-catch block.
D. Add an error-view component to the markup.

Answer: C

Explanation:
Use AuraHandledException in try-catch for custom errors. It enables sending meaningful, user-friendly error messages to the Lightning component.

NEW QUESTION # 160
Which statement is true regarding savepoints?

A. Reference to savepoints can cross trigger invocations.
B. Static variables are not reverted during a rollback.
C. Savepoints are not limited by DML statement governor limits.
D. You can roll back to any savepoint variable created in any order.

Answer: B

Explanation:
When rolling back to a savepoint, any DML operations that occurred after that savepoint are undone, but static variables are not reverted. Therefore, when a rollback occurs, the state of all static variables at the time of the rollback remains the same as it was just before the rollback.

NEW QUESTION # 161
Universal Containers uses Salesforce to track orders in an order__c object.
The order = object has private organization-wide defaults. The order = object has a custom field, Quality_Controller_c, that is a Lookup to User and is used to indicate that the specified User is performing quality control on the order_ co.
What should be used to automatically give read only access to the User set in the Quality_Controller field?

A. Record ownership
B. User managed sharing
C. Criteria-based sharing
D. Apex managed sharing

Answer: D

Explanation:
Apex managed sharing provides a programmatic way to share records when the organization-wide default for an object is Private. The Quality_Controller__c field can be used within a trigger or class to share records with the specified user using Apex managed sharing.

NEW QUESTION # 162
A company uses an external system to manage its custom account territory assignments. Every quarter, millions of Accounts may be updated in Salesforce with new Owners when the territory assignments are completed in the external system.
What is the optimal way to update the Accounts from the external system?

A. Composite REST API
B. Bulk ApI
C. Apex REST Web Service
D. SOAP API

Answer: C

NEW QUESTION # 163
A developer writes a Lightning web component that displays a dropdown list of all custom objects in the org from which a user will select. An Apex method prepares and returns data to the component.
What should the developer do to determine which objects to include in the response?

A. Check the getobiectType [) value for 'Custom' or "Standard' on the sObject describe result.
B. Use the getcustomobjects() method from the Schema class.
C. Check the isCustom() value on the sObject describe result.
D. Import the list of all custom objects from @salesforce/schema.

Answer: C

Explanation:
To determine which objects to include in the response, the developer should check the isCustom() value on the sObject describe result. This method returns a Boolean indicating whether the sObject is a custom object.

NEW QUESTION # 164
......

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