真実的-効率的なPlat-Dev-301対応問題集試験-試験の準備方法Plat-Dev-301模擬問題

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Salesforce Plat-Dev-301 Exam Syllabus Topics:

Section	Objectives
Application Development	- Asynchronous processing 1. Scheduled Apex 2. Batch Apex and Queueable Apex 3. Future methods and limits considerations - Advanced Apex programming 1. Dynamic Apex and metadata-driven development 2. Exception handling and debugging strategies 3. Apex design patterns and best practices
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. Sharing rules and Apex-managed sharing 2. Security enforcement in Apex - Advanced data modeling 1. Complex relationships and schema design 2. Large data volume considerations
Testing and Deployment	- Deployment lifecycle 1. Version control and CI/CD concepts 2. Change sets and deployment tools - Testing strategies 1. Test data creation and mocking 2. Code coverage and quality practices

>> Plat-Dev-301対応問題集 <<

Plat-Dev-301模擬問題、Plat-Dev-301復習時間

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Salesforce Certified Platform Developer II - Multiple Choice 認定 Plat-Dev-301 試験問題 (Q185-Q190):

質問 # 185
As part of their quoting and ordering process, a company needs to send POFs to their document storage system's REST endpoint that supports OAuth 2.0. Each Salesforce user must be individually authenticated with the document storage system to send the PDF.
What is the optimal way for a developer to implement the authentication to the REST endpoint?

A. Hierarchy Custom Setting with 2 password custom field
B. Named Credential with Password Authentication
C. Hierarchy Custom Setting with an OAuth token custom field
D. Named Credential with an OAuth Authentication Provider

正解：D

解説：
Named Credentials with OAuth handle secure API calls. Individual authentication for each user with OAuth 2.0 is managed through Named Credentials.

質問 # 186
Refer to the code snippet below:

A custom object called Credit_Memo__c exists in a Salesforce environment. As part of a new feature development that retrieves and manipulates this type of record, the developer needs to ensure race conditions are prevented when a set of records are modified within an Apex transaction. In the preceding Apex code, how can the developer alter the query statement to use SOQL features to prevent race conditions within a transaction? A)

B)

C)

D)

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

正解：A

解説：
To prevent race conditions during an Apex transaction, the SOQL query can be modified to include the "FOR UPDATE" keyword. This keyword locks the records that are returned by the query, preventing other transactions from modifying them until the current transaction is complete. This ensures that the retrieved records cannot be changed by another process before the current transaction is completed, thus preventing race conditions. The correct option to use in the code snippet provided is:
[SELECT Id, Name, Amount__c FROM Credit_Memo__c WHERE Customer_Id__c = :customerId LIMIT 50 FOR UPDATE] This will lock up to 50 records of Credit_Memo__c with the specified Customer_Id__c for the duration of the transaction.
FOR UPDATE
Preventing Record Update Conflicts

質問 # 187
Universal Containers decided to use Salesforce to manage a new hire interview process. A custom object called Candidate was created with organization-wide defaults set to Private. A lookup on the Candidate object sets an employee as an Interviewer.
What should be used to automatically give Read access to the record when the lookup field is set to the Interviewer user?

A. The record can be shared using an Apex class.
B. The record can be shared using a sharing rule.
C. The record cannot he shared with the current setup.
D. The record can be shared using a permission set.

正解：B

解説：
A sharing rule can be used to automatically give Read access to a user specified in a lookup field. Sharing rules are declarative and can be based on criteria such as the value of a lookup field. This can be done without writing code and is maintainable through the Salesforce UI.

質問 # 188
A company accepts orders for customers in their enterprise resource planning (ERP) system that must be integrated into Salesforce as order_ c records with a lookup field to Account. The Account object has an external ID field, ENF_Customer_ID_c.
What should the Integration use to create new Oder_c records that will automatically be related to the correct Account?
A)

B)

C)

D)

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

正解：A

解説：
When integrating external systems with Salesforce and creating records that need to be associated with existing Salesforce records based on an external ID, Salesforce provides the ability to reference an external ID field in a related object directly within a create or update call.
Option A is correct because the upsert operation can be used to either insert new records or update existing ones. By specifying the external ID field (ENF_Customer_ID__c) for the Account relationship, the system will automatically link the Order__c record to the correct Account based on the external ID provided by the ERP system.
Options B, C, and D are incorrect because they do not specifically utilize the capability of referencing an external ID to associate records during an integration process.
Salesforce Developer Documentation on Inserting or Updating Records Using an External ID: Inserting or Updating Records Using an External ID

質問 # 189
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. Use a separate Apex class for each API endpoint to encapsulate the integration logic,
B. Create a reusable Apex class for the AFL integration and invoke it from the relevant Apex classes.
C. Include the API integration code directly in each Apex class that requires it.
D. Store the APT integration code as a static resource and reference it in each Apex class.

正解：B

解説：
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.

質問 # 190
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Plat-Dev-301学習実践ガイドは、実際の試験を刺激する機能を強化します。クライアントは当社のソフトウェアを使用して、実際の試験を刺激し、実際のPlat-Dev-301試験の速度、環境、プレッシャーに精通し、実際の試験の準備を整えることができます。仮想試験環境では、クライアントはPlat-Dev-301の質問に答えるために速度を調整し、実際の戦闘能力を訓練し、実際のテストのプレッシャーに調整することができます。また、Plat-Dev-301学習実践ガイドの習熟度を理解することもできます。

Plat-Dev-301模擬問題: https://www.it-passports.com/Plat-Dev-301.html