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Salesforce Plat-Dev-301 Exam Syllabus Topics:

SectionWeightObjectives
Integration15%- Named Credentials and authentication
- External Services and Connect REST API
- REST and SOAP web services (Apex callouts)
- Platform Events and Change Data Capture
User Interface18%- Lightning Web Components (LWC) advanced features
- Lightning Data Service
- Aura Components
- Visualforce advanced controllers
Logic and Process Automation22%- Asynchronous Apex (Batch, Queueable, Future, Scheduled)
- Dynamic Apex and SOQL/SOSL
- Advanced Apex programming
- Invocable Actions and Platform Events
Data Modeling12%- Large data volumes considerations
- Advanced object relationships and data modeling
- External objects and data sources
Testing, Debugging, and Deployment15%- Debugging and performance profiling
- Deployment tools (SFDX, Metadata API)
- Apex unit testing best practices
- Test data strategies and mocking
Architecture18%- Design patterns and Apex trigger frameworks
- Namespace and package management
- Apex Enterprise Patterns
- Governor limits and bulkification

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Salesforce Certified Platform Developer II - Multiple Choice Sample Questions (Q157-Q162):

NEW QUESTION # 157
Universal Containers uses Big Objects to store almost a billion customer transactions called Customer_Transaction__b.
These are the fields on Customer_Transaction__b:
Account__c -
Program__c -
Points_Earned__c -
Location__c -
Transaction_Date__c -
The following fields have been identified as Index Fields for the Customer_Transaction__b object: Account__c, Program__c, and Transaction_Date__c.
Which SOQL query is valid on the Customer_Transaction__b Big Object?

Answer: C

Explanation:
The valid SOQL query on a Big Object must match the indexed fields exactly. Since Account__c, Program__c, and Transaction_Date__c are the indexed fields, the SOQL query must specify those fields exactly in the WHERE clause, including exact match conditions (no LIKE or INCLUDES).


NEW QUESTION # 158
What is the optimal way to fix this?
A)

B)

C)

D)

Answer: B

Explanation:
Test.startTest() and Test.stopTest() should wrap the method call for resource allocation. Test.setMock() sets a mock callout for the test to handle callouts.


NEW QUESTION # 159
Refer to the exhibit

Users of this Visualforce page complain that the page does a full refresh every time the Search button Is pressed. What should the developer do to ensure that a partial refresh Is made so that only the section identified with opportunity List is re-drawn on the screen?

Answer: D

Explanation:
To ensure that only a part of the Visualforce page is refreshed, developers can use the reRender attribute of the <apex:commandButton> tag. This attribute specifies the IDs of the components that should be re-rendered as a result of the action method being completed. In this case, setting the reRender attribute to the ID of the <apex:pageBlockSection> that contains the opportunity list will cause only that section to be updated on the page, resulting in a partial page refresh.
The correct answer is B because it uses the reRender attribute correctly to update only the specific part of the page (opportunityList) without a full page refresh.
Salesforce Developer Documentation on Visualforce AJAX Components: Visualforce Developer Guide - CommandButton


NEW QUESTION # 160
A developer created a Lightning web component that uses a Lightning_record_edit_fom to collect Information about Leads. Users complain that they only see one error message at a time about their input when trying to save a Lead record.
Which best practice should the developer use to perform the validations on more than one held, thus allowing more than one error message to be displayed simultaneously?

Answer: A

Explanation:
When users need to see multiple error messages at a time related to their input on a form, client-side validation is the preferred method. This allows immediate feedback on the input fields without the need to submit the form to the server.
Option B (Client-side validation) is correct because it enables validation of multiple fields before submitting the form, allowing users to see all error messages at once for the fields that fail validation.
Options A (Apex REST), C (Custom validation rules), and D (Next Best Action) are not directly related to the validation of form inputs in the context of a Lightning web component.
Lightning Web Components Developer Guide: Lightning Web Components and Salesforce Data


NEW QUESTION # 161
Assuming the CreateOneAccount class creates one account and implements the Queueable interface, which syntax properly tests the Apex code?
A)

B)

C)

D)

Answer: C

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 # 162
......

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