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Salesforce Plat-Dev-301 Exam Syllabus Topics:

Section	Objectives
Testing and Deployment	- Deployment lifecycle 1. Change sets and deployment tools 2. Version control and CI/CD concepts - Testing strategies 1. Code coverage and quality practices 2. Test data creation and mocking
Data Modeling and Management	- Advanced data modeling 1. Large data volume considerations 2. Complex relationships and schema design - Data access and security 1. Sharing rules and Apex-managed sharing 2. Security enforcement in Apex
Application Development	- Advanced Apex programming 1. Dynamic Apex and metadata-driven development 2. Apex design patterns and best practices 3. Exception handling and debugging strategies - Asynchronous processing 1. Batch Apex and Queueable Apex 2. Scheduled Apex 3. Future methods and limits considerations
Integration and APIs	- Platform events and messaging 1. Event-driven architecture 2. Change Data Capture concepts - External system integration 1. REST and SOAP API usage 2. Callouts from Apex

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Salesforce Certified Platform Developer II - Multiple Choice Sample Questions (Q89-Q94):

NEW QUESTION # 89
An Apex class does not achieve expected code coverage. The testsetup method explicitly calls a method In the Apex class..
How can the developer generate the code coverage?

A. Add @testvisible to the method in the class the developer is testing.
B. Verify the user has permissions passing a user into System,.runds().
C. Call the Apex class method from a testsetup Instead of the testsetup methed.
D. Use system.assert() in testSetup to verify the values are being returned.

Answer: A

Explanation:
When an Apex class does not achieve the expected code coverage, it suggests that the test methods are not executing parts of the class. The @testvisible annotation can be used to increase code coverage by allowing test methods to access private or protected members of another class. This enables the test method to call methods that may not be directly accessible, but it is not a direct means to generate code coverage. The code coverage is actually achieved when the test methods execute the code within these methods. Therefore, to properly generate code coverage, the developer must ensure that the test methods call the relevant portions of the code that need to be covered. The use of @testvisible can facilitate this process by making otherwise inaccessible code available for testing.
Apex Developer Guide - Testing Best Practices
Apex Developer Guide - @testVisible Annotation

NEW QUESTION # 90
An Apex trigger creates an order co record every time an Opportunity is won by a Sales Rep. Recently the trigger is creating two orders.
What is the optimal technique for 2 developer to troubleshoot this?

A. Add system.debug() statements to the code and use the Developer Console logs to trace the code.
B. Set up debug logging for every Sales Rep, then monitor the logs for errors and exceptions,
C. Disable all flows, and then re-enable them one at at time to see which one causes the error.
D. Run the Apex Test Classes for the Apex trigger to ensure the code still has sufficient code coverage.

Answer: A

Explanation:
To troubleshoot the issue of a trigger creating two order records, adding System.debug() statements in the trigger and analyzing the log output in the Developer Console is an effective technique. This will help identify if the trigger is being called more than once or if there is another automation (such as a flow or workflow) causing the additional record creation.

NEW QUESTION # 91
A company uses an external system to manage its custom account territory assignments. Every quarter, millions of Accounts may be updated in Salesforce with new Owners when the territory assignments are completed in the external system.
What is the optimal way to update the Accounts from the external system?

A. Bulk ApI
B. Apex REST Web Service
C. Composite REST API
D. SOAP API

Answer: B

NEW QUESTION # 92
Universal Containers (LIC) wants to develop a customer community to help their customers log issues with their containers. The community needs to function for their German- and Spanish-speaking customers also. UC heard that it's easy to create an international community using Salesforce, and hired a developer to build out the site.
What should the developer use to ensure the site is multilingual?

A. Use custom metadata to translate custom picklist values.
B. Use custom labels to ensure custom messages are translated properly.
C. Use custom objects to translate custom picklist values.
D. Use custom settings to ensure custom messages are translated properly.

Answer: B

Explanation:
Custom labels are used for translating text strings in Salesforce that need to be presented in multiple languages. They support translations and can be referenced in Aura components, Visualforce pages, and Apex code.

NEW QUESTION # 93
A developer is asked to modify a Lightning web component so that it displays in one column on phones and in two columns on tablets, desktops, and larger devices.
Given to the code below:

Which should the developer add to the code to meet the requirements? A)

B)

C)

D)

A. Option C
B. Option B
C. Option D
D. Option A

Answer: B

Explanation:
The requirement is for the Lightning web component to display in one column on phones and in two columns on larger devices. To achieve this, we should specify the size attributes for different devices using the design tokens provided by the Lightning Design System.
Option B is correct because size="6" will set each lightning-layout-item to take up half the available space (since the grid system is based on a 12-column structure), creating two columns on tablets, desktops, and larger devices. small-device-size="12" will ensure that on small devices like phones, each item will take up the full width, resulting in a single column.
Options A, C, and D do not meet the requirement correctly, as they either do not set the size correctly for small devices or do not specify the sizes for both small and larger devices appropriately.
Lightning Design System Grid Documentation: Lightning Grid

NEW QUESTION # 94
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