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Salesforce Plat-Dev-301 Exam Syllabus Topics:

Section	Objectives
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
Data Modeling and Management	- Data access and security 1. Security enforcement in Apex 2. Sharing rules and Apex-managed sharing - Advanced data modeling 1. Large data volume considerations 2. Complex relationships and schema design
Application Development	- Asynchronous processing 1. Scheduled Apex 2. Future methods and limits considerations 3. Batch Apex and Queueable Apex - Advanced Apex programming 1. Dynamic Apex and metadata-driven development 2. Exception handling and debugging strategies 3. Apex design patterns and best practices
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

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Plat-Dev-301 Prüfungsfragen, Plat-Dev-301 Fragen und Antworten, Salesforce Certified Platform Developer II - Multiple Choice

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Salesforce Certified Platform Developer II - Multiple Choice Plat-Dev-301 Prüfungsfragen mit Lösungen (Q100-Q105):

100. Frage
A developer created an Opportunity trigger that updates the account rating when an associated opportunity is considered high value. Current criteria for an opportunity to be considered high value is an amount greater than or equal to $1,000,000. However, this criteria value can change over time.
There is a new requirement to also display high value opportunities in a Lightning web component.
Which two actions should the developer take to meet these business requirements, and also prevent the business logic that obtains the high value opportunities from being repeated in more than one place?
Choose 2 answers

A. Use custom metadata to hold the high value amount.
B. Create a helper class that fetches the high value opportunities,
C. Call the trigger from the Lightning web component.
D. Leave the business logic code inside the trigger for efficiency.

Antwort: A,B

Begründung:
Creating a helper class allows the logic to be centralized and reused in both the trigger and the Lightning Web Component (LWC), avoiding repetition. Using custom metadata to store the criteria value allows easy updates without code changes and can be referenced from both the helper class and the trigger.
Apex Developer Guide
Custom Metadata Types Guide

101. Frage
An org has a requirement that an Account must always have one and only one Contact listed as Primary. So selecting one Contact will de-select any others. The client wants a checkbox on the Contact called 'Is Primary' to control this feature.
The client also wants to ensure that the last name of every Contact is stored entirely in uppercase characters.
What is the optimal way to implement these requirements?

A. Write a single trigger on Contact for both after update and before update and callout to helper classes to handle each set of logic.
B. Write an after update trigger on Account for the Is Primary logic and a before update trigger on Contact for the last name logic.
C. Write a Validation Rule on the Contact for the Is Primary logic and a before update trigger on Contact for the last name logic.
D. Write an after update trigger on Contact for the Is Primary logic and a separate before update trigger on Contact for the last name logic.

Antwort: A

Begründung:
A single trigger on Contact that handles both after update and before update events, utilizing helper classes for each logic set, is the most optimal implementation. It centralizes the logic for maintaining primary contacts and normalizing last names while allowing for clear separation of concerns through helper classes.

102. Frage
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 A
C. Option B
D. Option C

Antwort: D

Begründung:
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.

103. Frage
A developer wants to write a generic Apex method that will compare the Salesforce Name field between any two object records. For example, to compare the Name field of an Account and an Opportunity; or the Name of an Account and a Contact.
Assuming the Name field exists, how should the developer do this?

A. Cast each object into an sObject and use sObject.get to compare the Name fields.
B. Use the Salesforce Metadata API to extract the value of each object and compare the Name fields.
C. describe) function to compare the values of each Name field.
D. Use a string. Replace () method to parse the contents of each Name field and then compare the results.

Antwort: A

Begründung:
Casting each object to an sObject and using the get method to compare the Name fields is the correct approach. This is because sObjects are generic object representations that can be used to access the fields of any Salesforce object dynamically. Reference:
sObject Class

104. Frage
How should a developer verify that a specific Account record is being tested in a test class for a Visualforce controller?

A. Instantiate the page reference in the test class, insert the Account inthe test class, then use system.setFarentRecordrd() .get() to set the Account ID,
B. Insert the Account into Salesforce, instantiate the page reference in the test class, then use system. setFarentRecordId() .get() to set the Account ID.{of Instantiate the page reference in the test class, insert the Account inthe test class, then use =seeAllData=trus to view the Account.
C. Insert the Account in the test class, instantiate the page reference in the test class, then use System.currentFageReference() .getFarameters() .put{) to set the Account ID.

Antwort: C

Begründung:
To test a Visualforce controller that works with specific records, you should insert the necessary test data in the test class. Then instantiate a PageReference for the Visualforce page, set the record id in the page parameters, and use System.currentPageReference().getParameters().put('id', recordId) to simulate navigating to the page with that record.

105. Frage
......

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