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Salesforce Plat-Dev-301 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Topic 1: User Interface Development | 20% | - Build complex Lightning Web Components and Aura Components - Optimize UI performance and usability - Implement advanced Visualforce functionality |
| Topic 2: Logic, Process Automation, and Integration | 27% | - Advanced Apex programming and transaction management - Asynchronous Apex: future, queueable, batch, scheduled - Complex business logic and automation design - REST/SOAP API, Platform Events, and external integrations |
| Topic 3: Testing, Debugging, and Deployment | 20% | - Advanced testing strategies and test frameworks - Debugging and error handling across layers - Deployment strategies, CI/CD, and change management |
| Topic 4: Performance and Data Management | 18% | - Governor limits optimization and best practices - Data modeling and complex data operations - Optimize queries and handle large data volumes |
| Topic 5: Advanced Developer Fundamentals | 15% | - Work with localization, multi-currency, and global features - Apply security best practices in development - Design and maintain scalable, reusable code |
Salesforce Certified Platform Developer II - Multiple Choice Sample Questions:
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. Change the required field to be a validation rule that excludes the System Administrator profile.
- B. Add the required field to the data setup for all of the unit tests.
- C. Add a before insert trigger on Account to set the value of the required field,
- D. Create a TestDataFactory class that serves as the single place to create Accounts for unit tests and set the required field there.
Correct Answer: D 🗳️
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A developer needs to implement a system audit feature that allows users, assigned to a custom profile named "Auditors", to perform searches against the historical records in the Account object. The developer must ensure the search is able to return history records that are between 6 and 12 months old.
Given the code below, which select statement should be inserted below as a valid way to retrieve the Account History records ranging from 6 to 12 months old?
A)
B)
C) D)
- A. Option C
- B. Option B
- C. Option A
- D. Option D
Correct Answer: B 🗳️
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Consider the following code snippet:
The Apex method is executed in an environment with a large data volume count for Accounts, and the query is performing poorly. Which technique should the developer implement to ensure the query performs optimally, while preserving the entire result set?
- A. Break down the query into two individual queries and join the two result sets.
- B. Annotate the method with the @Future annotation
- C. Create a formula field to combine the createdDate and RecordType value, then filter based on the formula.
- D. Use the Database queryLocator method to retrieve the accounts.
Correct Answer: D 🗳️
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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?
- A. Apex REST
- B. Client_side validation
- C. Next Best Action
- D. Custom validation rules
Correct Answer: B 🗳️
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Universal Containers analyzes a Lightning web component and its Apex controller class that retrieves a list of contacts associated with an account. The code snippets are as follows:
Based on the code snippets, what change should be made to display the contacts' mailing addresses in the Lightning web component?
- A. Modify the SOQL query in the getAccountContacts method to include the MailingAddress field and update the columns attribute in javascript file to add Mailing address fields.
- B. Modify the SOQL guery in the getAccountContacts method to include the MailingAddress field.
- C. Extend the lightning-datatable component in the Lightning web component to include a column for the MailingAddress field.
- D. Add a new method in the Apex controller class to retneve the mailing addresses separately and modify the Lightning web component to invoke this method.
Correct Answer: A 🗳️
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