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Salesforce Plat-Dev-301 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Architecture | 18% | - Governor limits and bulkification - Namespace and package management - Apex Enterprise Patterns - Design patterns and Apex trigger frameworks |
| Topic 2: Logic and Process Automation | 22% | - Dynamic Apex and SOQL/SOSL - Advanced Apex programming - Invocable Actions and Platform Events - Asynchronous Apex (Batch, Queueable, Future, Scheduled) |
| Topic 3: User Interface | 18% | - Lightning Data Service - Visualforce advanced controllers - Lightning Web Components (LWC) advanced features - Aura Components |
| Topic 4: Integration | 15% | - REST and SOAP web services (Apex callouts) - Named Credentials and authentication - Platform Events and Change Data Capture - External Services and Connect REST API |
| Topic 5: Data Modeling | 12% | - Advanced object relationships and data modeling - External objects and data sources - Large data volumes considerations |
| Topic 6: Testing, Debugging, and Deployment | 15% | - Debugging and performance profiling - Deployment tools (SFDX, Metadata API) - Apex unit testing best practices - Test data strategies and mocking |
Salesforce Certified Platform Developer II - Multiple Choice Sample Questions:
A Visuzlforce page loads slowly due to the large amount of data it displays.
Which strategy can a developer use to improve the performance?
- A. Use an <apex:actionPollar) in the page to load all of the data asynchronously.
- B. Use lazy loading to load the data on demand, instead of in the controller's constructor.
- C. Use Javascript to move data processing to the browser instead of the controller.
- D. Use the transient keyword for the List variables used in the custom controller.
Correct Answer: B 🗳️
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Recently, users notice that fields that were recently added for one department suddenly disappear without warning.
Which two statements are true regarding these issues and resolution?
Choose 2 answers
- A. The administrators are deploying their own Change Sets over each other, thus replacing entire Page Layouts in production.
- B. Page Layouts should never be deployed via Change Sets, as this causes Field-Level Security to be reset and fields to disappear.
- C. The administrators are deploying their own Change Sets, thus deleting each other's fields from the objects in production.
- D. A sandbox should be created to use as a unified testing environment instead of deploying Change Sets directly to production.
Correct Answer: A,D 🗳️
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An org records customer order information in a custom object, ordar__c, that has fields for the shipping address. A developer is tasked with adding code to calculate shipping charges on an order, based on a flat percentage rate associated with the region of the shipping address.
What should the developer use to store the rates by region, so that when the changes are deployed to production no additional steps are needed for the calculation to work?
- A. Custom object
- B. Custom metadata type
- C. Custom hierarchy setting
- D. Custom list setting
Correct Answer: B 🗳️
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A developer is writing a Jest test for a Lightning web component that conditionally displays child components based on a user's checkbox selections.
What should the developer do to properly test that the correct components display and hide for each scenario?
- A. Add a teardown block to reset the DOM after each test.
- B. Reset the DOM after each test with the after Each() method.
- C. Create a new describe block for each test.
- D. Create a new jsdom instance for each test.
Correct Answer: B 🗳️
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In an organization that has multi-currency enabled, a developer Is tasked with building a Lighting component that displays the top ten Opportunities most recently accessed by the logged in user. The developer must ensure the Amount and LastModifiedDate field values are displayed according to the user's locale.
What is the most effective approach to ensure values displayed respect the user's locale settings?
- A. Use the FORMAT () function in the SOQL query.
- B. Use a wrapper class to format the values retrieved via SOQL.
- C. Use the FOR VIEW clause in the SOQL query.
- D. Use REGEX expressions to format the values retrieved via SOQL.
Correct Answer: A 🗳️
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