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Salesforce Plat-Dev-301 Exam Syllabus Topics:

Section	Objectives
Application Development	- Asynchronous processing 1. Batch Apex and Queueable Apex 2. Future methods and limits considerations 3. Scheduled Apex - Advanced Apex programming 1. Exception handling and debugging strategies 2. Apex design patterns and best practices 3. Dynamic Apex and metadata-driven development
Data Modeling and Management	- Data access and security 1. Sharing rules and Apex-managed sharing 2. Security enforcement in Apex - Advanced data modeling 1. Large data volume considerations 2. Complex relationships and schema design
Testing and Deployment	- Deployment lifecycle 1. Version control and CI/CD concepts 2. Change sets and deployment tools - Testing strategies 1. Code coverage and quality practices 2. Test data creation and mocking
Integration and APIs	- Platform events and messaging 1. Change Data Capture concepts 2. Event-driven architecture - 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 (Q175-Q180):

NEW QUESTION # 175
Consider the following code snippet:

How should the <e-orders> component communicate to the <c-selected-orders component that an order has been selected by the user?

A. Create and fire a component event.
B. Create and fire an application event.
C. Create and fire a standard DOM event.
D. Create and dispatch a custom event,

Answer: D

Explanation:
Create and dispatch a custom event. This approach allows LWC components to communicate effectively, maintaining component encapsulation and reusability.

NEW QUESTION # 176
As part of point-to-point integration, a developer must call an external web service which, due to high demand, takes a long time to provide a response. As part of the request, the developer must collect key Inputs from the end user before making the callout. Which two elements should the developer use to Implement these business requirements?
Choose 2 answers

A. Apex method that returns a Continuation object
B. Process Builder
C. Lightning web component
D. Screen Flow

Answer: A,C

Explanation:
For implementing business requirements that involve collecting key inputs from the end user before making a long-running callout, a combination of a Lightning web component and an Apex method that returns a Continuation object is ideal. The Lightning web component can be used to build a user-friendly interface to collect the inputs, and the Continuation object in Apex allows for managing the callout in an asynchronous way. This pattern prevents the user interface from freezing and provides a better user experience by allowing the callout to run in the background.
Apex Developer Guide - Asynchronous Callouts to Long-Running Web Services Lightning Web Components Developer Guide

NEW QUESTION # 177
Which interface needs to be implemented by an Aura component so that it may be displayed in modal dialog by clicking a button on a Lightning record page?

A. farce:lightningEditRAation
B. force:lightningQuickhction
C. lightning:editiction
D. lightning:quickAction

Answer: B

Explanation:
To display an Aura component in a modal dialog, the component must implement the force:lightningQuickAction or force:lightningQuickActionWithoutHeader interface. This allows it to be used as a quick action on record pages.

NEW QUESTION # 178
Consider the Apex class below that defines a RemoteAction used on 2 Visualforce search page.

Which code snippet will assert that the remote action returned the correct Account? A)

B)

C)

D)

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

Answer: B

Explanation:
The correct code snippet to assert that the remote action returned the correct Account is option C. This is because the getAccount method is a global static method within the MyRemoter class and can be directly called without needing to instantiate an object of the class.

NEW QUESTION # 179
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 D
B. Option C
C. Option B
D. Option A

Answer: C

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 # 180
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