Latest Plat-Dev-301 Exam Testking - Free PDF Plat-Dev-301 - Salesforce Certified Platform Developer II - Multiple Choice First-grade Test Guide Online

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Salesforce Plat-Dev-301 Exam Syllabus Topics:

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

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2026 Salesforce - Plat-Dev-301 - Latest Salesforce Certified Platform Developer II - Multiple Choice Exam Testking

Salesforce Certified Platform Developer II - Multiple Choice Sample Questions (Q31-Q36):

NEW QUESTION # 31
Consider the Apex controller below, that is called from an Aura component.

What is wrong with this code?

A. Line 8: method must first serialize the list to JSON before returning
B. Line 6: method must be static
C. Line 1: class must be global8. Lines 1 and 6: class and method must be global

Answer: A

Explanation:
The method defined in the Apex class must be static to be used as an Aura-enabled method. Aura-enabled methods need to be static because they are called by the Lightning framework without instantiating the class.

NEW QUESTION # 32
A developer has a test class that creates test data before making a mock callout but now receives a 'You have uncommitted work pending. Please commit or rollback before calling out' error.
Which step should be taken to resolve the error?

A. Ensure the records are inserted before the Test.startTess() statement and the mock callout occurs after the Test. Startest().
B. Ensure both the Insertion and mock callout occur after the I==L. stoptest_().
C. Ensure both the insertion and mock callout occur after the Test.startTest().
D. Ensure the records are Inserted before the Tezt.startTest() statement and the mock callout occurs within a method annotated with @testSetup.

Answer: A

Explanation:
When working with Apex tests that involve callouts, it's important to avoid the 'uncommitted work pending' error. This error typically occurs because DML operations (like inserts) are pending when a callout is attempted. Salesforce requires that all callouts are made before any DML operations in a transaction. To avoid this, the pattern is to insert the records before calling Test.startTest(), and then make the callout after this call. Test.startTest() marks the point where your actual test begins, and it resets the governor limits. By making the callout after this point, it ensures that the DML operations are committed and you are within a new execution context regarding governor limits.
Testing HTTP Callouts by Implementing the HttpCalloutMock Interface
Understanding Execution Contexts

NEW QUESTION # 33
A developer created an Opportunity trigger that updates the account rating when an associated opportunity is considered high value. Current criteria for an opportunity to be considered high value is an amount greater than or equal to $1,000,000. However, this criteria value can change over time.
There is a new requirement to also display high value opportunities in a Lightning web component.
Which two actions should the developer take to meet these business requirements, and also prevent the business logic that obtains the high value opportunities from being repeated in more than one place?
Choose 2 answers

A. Call the trigger from the Lightning web component.
B. Leave the business logic code inside the trigger for efficiency.
C. Create a helper class that fetches the high value opportunities,
D. Use custom metadata to hold the high value amount.

Answer: C,D

Explanation:
Creating a helper class allows the logic to be centralized and reused in both the trigger and the Lightning Web Component (LWC), avoiding repetition. Using custom metadata to store the criteria value allows easy updates without code changes and can be referenced from both the helper class and the trigger.
Apex Developer Guide
Custom Metadata Types Guide

NEW QUESTION # 34
When the sales team views an individual customer record, they need to see recent interactions for the customer. These interactions can be sales orders, phone calls, or Cases. The date range for recent interactions will be different for every customer record type.
How can this be accomplished?

A. Use batch Apex to query for the most recent interactions when the customer view screen is loaded.
B. Use a dynamic form on the customer record page to display recent interactions.
C. Use a Lightning component to query and display interactions based on record type that is passed in using a design:attribute from the Lightning page.
D. Use Lightning Flow to read the customer's record type, and then do a dynamic query for recent interactions and display on the View page.

Answer: C

Explanation:
A Lightning component can dynamically query and display interactions based on the customer's record type. The component can receive the record type as a parameter and adjust the query accordingly, providing the required functionality without batch processing or additional configurations.

NEW QUESTION # 35
Refer to the markup below:

A Lightning web component displays the Account name and two custom fields out of 275 that exist on the abject. The custom fields are correctly declared and populated. However, the developer receives complaints that the component performs slowly. What can the developer do to improve the performance?

A. Add cache="true" to the component.
B. Replace Layout-type =''Full1" with Layout-type="Partial".
C. Add density="compat" to the component.
D. Replace layout-type =''1" with fields=(fields}.

Answer: D

Explanation:
To improve performance, the developer should specify only the fields needed by using the fields attribute in the lightning-record-form instead of loading all fields with layout-type="Full". This reduces the amount of data being retrieved and processed, thus improving the component's performance.

NEW QUESTION # 36
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