인기자격증Plat-Dev-301높은통과율덤프자료시험덤프최신자료

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연구결과에 의하면Salesforce인증 Plat-Dev-301시험은 너무 어려워 시험패스율이 낮다고 합니다. Itcertkr의 Salesforce인증 Plat-Dev-301덤프와 만나면Salesforce인증 Plat-Dev-301시험에 두려움을 느끼지 않으셔도 됩니다. Itcertkr의 Salesforce인증 Plat-Dev-301덤프는 엘리트한 IT전문가들이 실제시험을 연구하여 정리해둔 퍼펙트한 시험대비 공부자료입니다. 저희 덤프만 공부하시면 시간도 절약하고 가격도 친근하며 시험준비로 인한 여러방면의 스트레스를 적게 받아Salesforce인증 Plat-Dev-301시험패스가 한결 쉬워집니다.

Salesforce Plat-Dev-301 Exam Syllabus Topics:

Section	Weight	Objectives
Topic 1: Performance and Data Management	18%	- Governor limits optimization and best practices - Data modeling and complex data operations - Optimize queries and handle large data volumes
Topic 2: Logic, Process Automation, and Integration	27%	- Asynchronous Apex: future, queueable, batch, scheduled - Complex business logic and automation design - REST/SOAP API, Platform Events, and external integrations - Advanced Apex programming and transaction management
Topic 3: Testing, Debugging, and Deployment	20%	- Deployment strategies, CI/CD, and change management - Debugging and error handling across layers - Advanced testing strategies and test frameworks
Topic 4: Advanced Developer Fundamentals	15%	- Design and maintain scalable, reusable code - Apply security best practices in development - Work with localization, multi-currency, and global features
Topic 5: User Interface Development	20%	- Optimize UI performance and usability - Build complex Lightning Web Components and Aura Components - Implement advanced Visualforce functionality

>> Plat-Dev-301높은 통과율 덤프자료 <<

Plat-Dev-301테스트자료 & Plat-Dev-301인증시험 덤프문제

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최신 Salesforce Developer Plat-Dev-301 무료샘플문제 (Q149-Q154):

질문 # 149
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. Use a chained batch Apex to split the data into smaller batches.
B. Implement an asynchronous callout using the Continuation class,
C. Increase the timeout limit in the callout options,
D. Use the @future annotation to make the callout asynchronous.

정답：B

설명：
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.

질문 # 150
A developer sees test failures in the sandbox but not in production. No code or metadata changes have been actively made to either environment since the sandbox was created.
Which consideration should be checked to resolve the issue?

A. Ensure the Apex classes are on the same API version.
B. Ensure that Disable Parallel Apex Testing Is unchecked.
C. Ensure test classes are using SeeAllData = true.
D. Ensure the sandbox Is on the same release as production.

정답：D

설명：
If test failures are occurring in a sandbox but not in production and there have been no active code or metadata changes, it could be due to differences in the Salesforce release versions between the two environments. Sandboxes can be on preview instances which get upgraded to new releases before production instances. This can lead to differences in behavior and could affect test executions. Ensuring that both the sandbox and production are on the same release can resolve such issues. API version differences and parallel testing settings typically do not cause discrepancies if the code hasn't changed, and while using SeeAllData=true is generally not recommended due to its dependence on the organization's data, it's unlikely to be the cause if the issue is related to the environment rather than the data.
Sandbox Preview Instructions
Understand the Salesforce Release Process

질문 # 151
Universal Containers develops a Salesforce application that requires frequent interaction with an external REST API.
To avoid duplicating code and improve maintainability, how should they implement the APL integration for code reuse?

A. Store the APT integration code as a static resource and reference it in each Apex class.
B. Use a separate Apex class for each API endpoint to encapsulate the integration logic,
C. Create a reusable Apex class for the AFL integration and invoke it from the relevant Apex classes.
D. Include the API integration code directly in each Apex class that requires it.

정답：C

설명：
Creating a reusable Apex class for API integration allows for code encapsulation and maintainability. This class can then be invoked from any other Apex class that requires interaction with the API, preventing code duplication.

질문 # 152
A developer has working business logic code, but sees the following error in the test class:
You have uncommitted work pending. Please commit or rollback before calling out.
What is a possible solution?

A. Use mast. T=RunningTes={} before making the callout to bypass it in test execution,
B. Call support for help with the target endpoint, as It is likely an external code error.
C. Rewrite the business logic and test classes with @Testvisible set on the callout.
D. Set seeAllData to true the top of the test class, since the code does not fall in practice.

정답：D

설명：
The error "You have uncommitted work pending. Please commit or rollback before calling out" usually indicates that DML operations (like insert, update, delete) are being performed before a callout in a test context. This is not allowed because Salesforce does not support this sequence of operations in a single transaction. However, the use of seeAllData=true is generally not a recommended practice and does not address the core issue of mixed DML and callouts in tests. The correct solution is to use a mocking framework to simulate the callout response. By using Test.setMock(), developers can avoid performing actual callouts in test methods, thus bypassing the uncommitted work error.
Apex Developer Guide - Testing HTTP Callouts
Apex Developer Guide - Isolation of Test Data from Organization Data in Unit Tests

질문 # 153
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. Define a method that creates test data and annotate with @testSetup.
C. Reduce the amount of test methods in the class.
D. Ensure proper usage of test data factory in all test methods.

정답：B

설명：
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.

질문 # 154
......

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