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Salesforce Plat-Dev-301 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Logic and Process Automation | 22% | - Invocable Actions and Platform Events - Asynchronous Apex (Batch, Queueable, Future, Scheduled) - Advanced Apex programming - Dynamic Apex and SOQL/SOSL |
| Testing, Debugging, and Deployment | 15% | - Apex unit testing best practices - Test data strategies and mocking - Debugging and performance profiling - Deployment tools (SFDX, Metadata API) |
| User Interface | 18% | - Lightning Data Service - Lightning Web Components (LWC) advanced features - Visualforce advanced controllers - Aura Components |
| Integration | 15% | - Named Credentials and authentication - Platform Events and Change Data Capture - External Services and Connect REST API - REST and SOAP web services (Apex callouts) |
| Architecture | 18% | - Governor limits and bulkification - Design patterns and Apex trigger frameworks - Apex Enterprise Patterns - Namespace and package management |
| Data Modeling | 12% | - External objects and data sources - Advanced object relationships and data modeling - Large data volumes considerations |
Salesforce Certified Platform Developer II - Multiple Choice Sample Questions:
Users report that a button on a custom Lightning web component (LWC) is not saving the data they enter. The button looks to be clicked, but the LWC simply sits there, seemingly doing nothing.
What should the developer use to ensure error messages are properly displayed?
- A. Add a try-catch block surrounding the DML statement.
- B. Use the Database method with a110rNone Set to false.
- C. Add JavaScript and HTML to display an error message.
- D. Add the <apex:messages/> tag to the component.
Correct Answer: C 🗳️
Explanation: Only visible for PassReview members. You can sign-up / login (it's free).
A company uses Salesforce to sell products to customers. They also have an external product information management (PIM) system that is the system of record for products.
A developer received these requirements:
* Whenever a product is created or updated in the PIM, a product must be created or updated as a Product? record in Salesforce and a PricebookEntry record must be created or updated automatically by Salesforce.
= The PricebookEntry should be created in a Priceboek2 that is specified in a custom setting.
What should the developer use to satisfy these requirements?
- A. Custom Apex REST
- B. Invocable Action
- C. Event Monitoring
- D. SObject Tree REST
Correct Answer: A 🗳️
Explanation: Only visible for PassReview members. You can sign-up / login (it's free).
Consider the above trigger intended to assign the Account to the manager of the Account's region, Which two changes should a developer make in this trigger to adhere to best practices?
- A. Use a Map to cache the results of the Region._c query by Id.
- B. Remove the last line updating accountList as It Is not needed.
- C. Move the Region__c query to outside the loop.
- D. Use a Map accountMap instead of List accountList.
Correct Answer: B,C 🗳️
Explanation: Only visible for PassReview members. You can sign-up / login (it's free).
Universal Containers has an Apex trigger on Account that creates an Account Plan record when an Account is marked as a Customer.
Recently a record-triggered flow was added so that whenever an Account is marked as a Customer, a "Customer Since' date field is updated with today's date. Since the addition of the flow, two Account Plan records are created whenever the Account is marked as a Customer.
What might cause this to happen?
- A. The Apex trigger does not use a static variable to ensure it only fires once.
- B. The flow is configured to evaluate when a record is created and every time it is edited.
- C. The Apex trigger is not bulk safe and calls insert inside of a for loop.
- D. The flow is configured to use an "Update Records' element.
Correct Answer: D 🗳️
Explanation: Only visible for PassReview members. You can sign-up / login (it's free).
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 density="compat" to the component.
- B. Replace Layout-type =''Full1" with Layout-type="Partial".
- C. Replace layout-type =''1" with fields=(fields}.
- D. Add cache="true" to the component.
Correct Answer: C 🗳️
Explanation: Only visible for PassReview members. You can sign-up / login (it's free).
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