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Salesforce Plat-Dev-301 Exam Syllabus Topics:

Section	Objectives
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
Testing and Deployment	- Deployment lifecycle 1. Change sets and deployment tools 2. Version control and CI/CD concepts - Testing strategies 1. Test data creation and mocking 2. Code coverage and quality practices
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. Future methods and limits considerations 3. Scheduled Apex

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Salesforce Certified Platform Developer II - Multiple Choice Sample Questions (Q112-Q117):

NEW QUESTION # 112
A developer is developing a reusable Aura component that will reside on an sObject Lightning page with the following HTML snippet:

How can the component"5 controller get the context of the Lightning page that the sObject is on without requiring additional test coverage?

A. Create a design attribute and configure via App Builder.
B. Use the gerSubjectType method in an Apex class.
C. Set the sObject type as a component attribute.
D. Add force:hasSobjectName to the implements attribute.

Answer: D

Explanation:
By implementing force:hasSobjectName, the Aura component can retrieve the sObject context of the record page it is placed on without needing additional information. This interface provides the component with the API name of the sObject being displayed.
Aura Components Developer Guide

NEW QUESTION # 113
A developer is working on an integration between Salestorce and an external system. The integration requires sending a large amount of data to the external systern, which can cause long response times and timeouts.
To optimize the performance and avoid timeouts, which technique should be used?

A. Implement an asynchronous callout using the Continuation class,
B. Use a chained batch Apex to split the data into smaller batches.
C. Increase the timeout limit in the callout options,
D. Use the @future annotation to make the callout asynchronous.

Answer: A

Explanation:
Implementing an asynchronous callout using the Continuation class is the optimal solution to handle long response times and avoid timeouts in Salesforce. It allows the Apex code to make a long-running request to an external service and free up the thread to serve other requests.

NEW QUESTION # 114
A Visualforce page contains an industry select list and displays a table of Accounts that have a matching value in their Industry field.

When a user changes the value in the industry select list, the table of Accounts should be automatically updated to show the Accounts associated with the selected industry, What is the optimal way to implement this?

A. Add an <apex:actionsupport> within the <apex:selectOptions>.
B. Add an <apex:actionsupport> within the <apex:selecList>.
C. Add an <apex:actionFunction> within the <apex:selectOptions>.
D. Add an <apex:actionFunction> within the <apax:selecList>.

Answer: B

Explanation:
The <apex:actionSupport> component is designed to be used with another component to provide AJAX support. When the value of the industry select list changes, the <apex:actionSupport> can trigger an AJAX request to the server, causing the page to rerender the table of Accounts with the matching industry. This process occurs without a full page refresh, providing a smoother user experience.
Visualforce Developer Guide

NEW QUESTION # 115
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. Implement a custom formula field to calculate and determine the appropriate approver based on the given criteria.
B. Use the Salesforce Approval Process feature and define multiple approval steps with entry criteria and approval assignments.
C. Develop a custom Lightning component to handle the approval logic and integrate it into the expense reimbursement record page.
D. Create a custom Apex class with a method to determine the appropriate approver based on the given criteria.

Answer: D

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 # 116
A developer creates a Lightning web component to allow a Contact to be quickly entered. However, error messages are not displayed.

Which component should the developer add to the form to display error messages?

A. apex:messages
B. aura:messages
C. lightning-error
D. lightning-messages

Answer: D

Explanation:
The correct answer is B, lightning-messages. This Lightning Web Components (LWC) service component provides a way to display error messages that are generated during the processing of lightning-input-field components within a lightning-record-edit-form.
Display Error Messages

NEW QUESTION # 117
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