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Salesforce Plat-Dev-301 Exam Syllabus Topics:

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

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Salesforce Certified Platform Developer II - Multiple Choice Sample Questions (Q181-Q186):

NEW QUESTION # 181
A developer is asked to look into an issue where a scheduled Apex is running into DML limits. Upon investigation, the developer finds that the number of records processed by the scheduled Apex has recently increased to more than 10,000.
What should the developer do to eliminate the limit exception error?

A. Use the @future annotation.
B. Use platform events.
C. Implement the Batchable interface.
D. Implement the Qususabls interface.

Answer: C

Explanation:
When scheduled Apex runs into DML limits due to a high number of records, implementing the Batchable interface is recommended. This allows the job to be broken down into smaller batches that are processed separately, thus avoiding hitting governor limits. Reference:
Using Batch Apex

NEW QUESTION # 182
A developer notices the execution of all the test methods in a class takes a long time to run, due to the initial setup of all the test data that is needed to perform the tests. What should the developer do to speed up test execution?

A. Define a method that creates test data and annotate with @createData.
B. Reduce the amount of test methods in the class.
C. Ensure proper usage of test data factory in all test methods.
D. Define a method that creates test data and annotate with @testSetup.

Answer: D

Explanation:
Using the @testSetup annotation to define a method that creates test data before the tests run can significantly speed up test execution by reducing the setup time for each test method in the class. This method runs once before any test method in the class and can be used by all test methods.

NEW QUESTION # 183
Given the following information regarding Universal Containers (UC):
* UC represents their customers as Accounts in Salesforce.
* All customers have a unique Customer__Number_c that is unique across all of UC's systems.
* UC also has a custom Invoice c object, with a Lookup to Account, to represent invoices that are sent out from their external system.
UC wants to integrate invoice data back into Salesforce so Sales Reps can see when a customer pays their bills on time.
What is the optimal way to implement this?

A. Ensure Customer Number cis an External ID and that a custom field Invoice Number cis an External ID and Upsert invoice data nightly.
B. Use Salesforce Connect and external data objects to seamlessly import the invoice data into Salesforce without custom code.
C. Query the Account Object upon each call to insert invoice data to fetch the Salesforce ID corresponding to the Customer Number on the invoice.
D. Create a cross-reference table in the custom invoicing system with the Salesforce Account ID of each Customer and insert invoice data nightly,

Answer: A

Explanation:
The optimal way to integrate invoice data into Salesforce, allowing for the upsert operation which can insert or update records based on the presence of the External ID, is to use the External ID fields. This ensures that the invoices are associated correctly with the existing Accounts and that upsert operations can be performed efficiently.
External ID: Salesforce Help Article
Data Import: Salesforce Developer Guide

NEW QUESTION # 184
A developer is tasked with creating a Lightning web component that is responsive on various devices, Which two components should help accomplish this goal?
Choose 2 answers

A. Lightning-input-location
B. lightning-navigation
C. Lightning-layout
D. lightning-layout--item

Answer: C,D

Explanation:
Lightning-layout and lightning-layout-item are components used in Lightning Web Components to create responsive grid layouts that adapt to the screen size of various devices.
Lightning Layout: Component Reference
Lightning Layout Item: Component Reference

NEW QUESTION # 185
In an organization that has multi-currency enabled, a developer Is tasked with building a Lighting component that displays the top ten Opportunities most recently accessed by the logged in user. The developer must ensure the Amount and LastModifiedDate field values are displayed according to the user's locale.
What is the most effective approach to ensure values displayed respect the user's locale settings?

A. Use a wrapper class to format the values retrieved via SOQL.
B. Use REGEX expressions to format the values retrieved via SOQL.
C. Use the FORMAT () function in the SOQL query.
D. Use the FOR VIEW clause in the SOQL query.

Answer: C

Explanation:
In a multi-currency Salesforce organization, displaying currency amounts according to the user's locale is crucial for ensuring data clarity and relevance. To achieve this, developers can leverage Salesforce's built-in capabilities to format field values directly within SOQL queries. The FORMAT() function is particularly useful as it formats currency fields according to the organization's locale settings. By using this function in a SOQL query, developers can ensure that the Amount and LastModifiedDate fields are displayed correctly. This method is more effective and efficient than post-processing the values in Apex, which would be required if using wrapper classes or REGEX expressions. Additionally, using the FOR VIEW clause in a SOQL query will mark records as recently viewed, which does not format the fields as per the user's locale.
SOQL FORMAT Function
Working with Multi-Currency

NEW QUESTION # 186
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