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Salesforce Plat-Dev-301 Exam Syllabus Topics:

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

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Salesforce Certified Platform Developer II - Multiple Choice Sample Questions (Q191-Q196):

NEW QUESTION # 191
A company notices that their unit tests in a test class with many methods to create many records for prerequisite reference data are slow.
What can a developer to do address the issue?

A. Turn off triggers, flows, and validations when running tests.
B. Move the prerequisite reference data setup to a @testSetup method in the test class.
C. Move the prerequisite reference data setup to a TestDataFactory and call that from each test method.
D. Move the prerequisite reference data setup to the constructor for the test class.

Answer: B

Explanation:
@testSetup method improves test performance. It allows data sharing across test methods within a class, reducing redundant data creation.

NEW QUESTION # 192
Universal Containers implements a private sharing model for the Convention Attendee co custom object. As part of a new quality assurance effort, the company created an Event_Reviewer_c user lookup field on the object.
Management wants the event reviewer to automatically gain ReadWrite access to every record they are assigned to.
What is the best approach to ensure the assigned reviewer obtains Read/Write access to the record?

A. Create a criteria-based sharing rule on the Convention Attendee custom object to share the records with a group of Event Reviewers.
B. Create criteria-based sharing rules on the Convention Attendee custom object to share the records with the Event Reviewers,
C. Create a before insert trigger on the Convention Attendee custom object, and use Apex Sharing Reasons and Apex Managed Sharing.
D. Create an after insert trigger on the Convention Attendee custom object, and use Apex Sharing Reasons and Apex Managed Sharing.

Answer: D

Explanation:
Use Apex Managed Sharing with an after insert trigger. It allows dynamic record sharing based on user-defined criteria like the Event_Reviewer_c field.

NEW QUESTION # 193
What should be added to the setup, in the location indicated, for the unit test above to create the controller extension for the test?

A. ApexPages.Standardcontroller sc = new ApexPages. Standardcontroller (acct.Id) ;AccountControllerExt extension = new AccountControllerExt(sc) ;om
B. ApexPages.StandardController sc = new ApexPages.StandardController(acct);AccountcontrollerExt extension = new AccountControllerExt(sc);
C. AccountControllerExt extension = new AccountControllerExt (acct.Id) ;
D. AccountControllerExt extension = new AccountControllerExt (acct);

Answer: B

Explanation:
For the unit test to create the controller extension, the correct setup is to instantiate a new ApexPages.StandardController with the Account record and then use it to instantiate the AccountControllerExt. This sets up the controller extension with the context of the provided Account record.

NEW QUESTION # 194
Consider the following code snippet:

How should the <e-orders> component communicate to the <c-selected-orders component that an order has been selected by the user?

A. Create and fire an application event.
B. Create and dispatch a custom event,
C. Create and fire a component event.
D. Create and fire a standard DOM event.

Answer: B

Explanation:
Create and dispatch a custom event. This approach allows LWC components to communicate effectively, maintaining component encapsulation and reusability.

NEW QUESTION # 195
A company has many different unit test methods that create Account records as part of their data setup. A new required field was added to the Account and now all of the unit tests fail.
What is the optimal way for a developer to fix the issue?

A. Add a before insert trigger on Account to set the value of the required field,
B. Create a TestDataFactory class that serves as the single place to create Accounts for unit tests and set the required field there.
C. Change the required field to be a validation rule that excludes the System Administrator profile.
D. Add the required field to the data setup for all of the unit tests.

Answer: B

Explanation:
The optimal way to fix the failing unit tests after adding a new required field to the Account object is to create a TestDataFactory class that serves as a centralized place to create Accounts for unit tests. This class would include the new required field, ensuring that all unit tests have the necessary data setup.

NEW QUESTION # 196
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