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Salesforce Plat-Dev-301 Exam Syllabus Topics:

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

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Salesforce Certified Platform Developer II - Multiple Choice Sample Questions (Q193-Q198):

NEW QUESTION # 193
Universal Containers is implementing a new approval process for expense reimbursements. The process requires complex logic to determine the appropriate approver based on factors such as expense amount, employee role, and project type. The solution should allow for flexibility and future changes in the approval rules.
Which approach would be the most suitable for implementing this logic?

A. Create a custom Apex class with a method to determine the appropriate approver based on the given criteria.
B. Implement a custom formula field to calculate and determine the appropriate approver based on the given criteria.
C. Develop a custom Lightning component to handle the approval logic and integrate it into the expense reimbursement record page.
D. Use the Salesforce Approval Process feature and define multiple approval steps with entry criteria and approval assignments.

Answer: A

Explanation:
Creating a custom Apex class with methods to determine the appropriate approver is the most suitable approach when dealing with complex logic and the need for flexibility. This approach allows for centralized logic that can be easily maintained and updated as business requirements change.

NEW QUESTION # 194
A developer creates an application event that has triggered an infinite loop.
What may have caused this problem?

A. The event has multiple handlers registered in the project.
B. The event is fired from a custom renderer.
C. The event handler calls a trigger.
D. An event is fired 'ontouchend'' and is unhandled.

Answer: A

Explanation:
The infinite loop in the application event could be caused by multiple handlers registered in the project. If the event is fired and then handled in such a way that the handling leads to the event being fired again, this can create a loop. Care must be taken to ensure that the handling of the event does not re-trigger the same event unintentionally.

NEW QUESTION # 195
Consider the controller code below that is called from an Aura component and returns data wrapped in a class.

The developer verified that the queries return a single record each and there is error handling in the Aura component, but the component is not getting anything back when calling the controller getSemeData. 'What is wrong?

A. The member's Kame and option of the class MyDataWrapper should be annotated with @AuraEnabled also.
B. The member's Name and option should not be declared public.
C. Instances of Apex classes, such as MyDatsWrapper, cannot be returned to a Lightning component.
D. The member's Name and option should not have getter and setter.

Answer: A

Explanation:
For the data to be passed back to the Aura component, all properties of the Apex class that are intended to be accessed from the component need to be annotated with @AuraEnabled. Without this annotation, the Aura framework cannot serialize the properties to send them to the front end.

NEW QUESTION # 196
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. Extend the lightning-datatable component in the Lightning web component to include a column for the MailingAddress field.
B. 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.
C. Modify the SOQL guery in the getAccountContacts method to include 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.

Answer: B

Explanation:
To display the contacts' mailing addresses in the Lightning web component, both the SOQL query in the getAccountContacts method and the columns attribute in the JavaScript file of the component need to be updated. The query must include the MailingAddress field, and the JavaScript file must be modified to add this field to the columns shown in the lightning-datatable.

NEW QUESTION # 197
Refer to the component code and requirements below:

Requirements: 1. For mobile devices, the information should display in three rows. 2. For desktops and tablets, the information should display in a single row. Requirement 2 Is not displaying as desired. Which option has the correct component code to meet the requirements for desktops and tablets? A)

B)

C)

D)

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

Answer: B

Explanation:
To meet the requirements specified for displaying information differently on mobile devices versus desktops and tablets, the developer needs to use Lightning Layout and Lightning Layout Item components with appropriate size attributes to control the layout based on the form factor.
Option A is correct because it sets the size attribute to "12" for desktop and tablet devices, which tells the framework to take the full width of the container, resulting in a single row. For mobile devices, it defaults to full width, which will stack the layout items vertically, resulting in three rows.
Options B, C, and D are incorrect because they either do not set the correct size attributes for desktops and tablets or do not maintain the proper structure that would result in a single row for these devices.
Lightning Design System on Grid System: Lightning Grid System
Lightning Web Components Documentation on Layout Components: Layout Components

NEW QUESTION # 198
......

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