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Salesforce PDII Exam Syllabus Topics:

Section	Weight	Objectives
Topic 1: Salesforce Platform Fundamentals	14%	- Understand Salesforce architecture and Governor Limits - Use Process Builder and Flow appropriately - Implement sharing and access control - Understand the order of execution
Topic 2: Data Modeling and Management	14%	- Handle large data volumes with indexing and partitioning - Use schema builder and relationship queries - Implement custom metadata and custom settings - Design complex data models with relationships
Topic 3: Lightning Component Framework	14%	- Use component events and application events appropriately - Debug Lightning component issues using browser developer tools - Implement inheritance using base components - Use @track decorator and reactive properties correctly - Use Lightning Data Service to perform CRUD operations
Topic 4: Performance	12%	- Identify and resolve performance bottlenecks - Optimize Apex and SOQL queries - Implement bulkify patterns - Use caching mechanisms (Platform Cache, View State)
Topic 5: Apex Programming	18%	- Design and implement integration patterns - Use asynchronous Apex (future methods, queueable, batch) - Write and execute Apex triggers - Implement best practices for trigger logic - Handle exceptions and implement error handling
Topic 6: Integration	14%	- Use Named Credentials and External Data Sources - Implement outbound messaging and callouts - Implement OAuth 2.0 authentication flows - Handle integration errors and retry logic - Use REST API and SOAP API in Apex
Topic 7: Testing and Debugging	14%	- Write Apex test classes with proper coverage - Use Developer Console and debugging tools - Implement mock implementations for testing - Analyze debug logs and resolve issues

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Salesforce Platform Developer II 認定 PDII 試験問題 (Q109-Q114):

質問 # 109
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. Set seeAllData to true the top of the test class, since the code does not fall in practice.
C. Rewrite the business logic and test classes with @Testvisible set on the callout.
D. Call support for help with the target endpoint, as It is likely an external code error.

正解：A

解説：
The solution to the error is to use Test.setMock() before making the callout to bypass it in test execution. The Test.setMock() method allows the developer to specify a mock response for an HTTP callout or a web service callout, and avoid sending a real request to an external service. This way, the developer can test the callout logic without actually making the callout, and avoid the error of having uncommitted work pending. The developer should create a class that implements the HttpCalloutMock interface or the WebServiceMock interface, and define the mock response in the respond() method. Then, the developer should use the Test.setMock() method to pass the mock class and the mock response as parameters, before calling the method that makes the callout. Calling support for help with the target endpoint, as it is likely an external code error, will not help, as the error is not caused by the external service, but by the test execution. Setting seeAllData to true at the top of the test class, since the code does not follow best practice, will not help, as it will only allow the test to access the org data, but it will not bypass the callout. Rewriting the business logic and test classes with @testVisible set on the callout will not help, as it will only make the callout accessible to the test class, but it will not bypass the callout. Reference: [Testing HTTP Callouts], [Testing Web Service Callouts], [Apex Developer Guide]

質問 # 110
A developer built an Aura component for guests to self-register upon arrival at a front desk kiosk. Now the developer needs to create a component for the utility tray to alert users whenever a guest arrives at the front desk.
What should be used?

A. DML Operation
B. Component Event
C. Application Event
D. Changelog

正解：C

解説：
Application Events in Aura components are used for communication between components that are not in the same containment hierarchy. An application event to alert users about the arrival of a guest at the front desk is appropriate because it allows any component within the app to listen and respond to the event, regardless of where it is located in the component hierarchy.
References: Aura Components Developer Guide - Application Event

質問 # 111
The Contact object has a custom field called "Zone." Its data type is "Text" and field length is 3.
What is the outcome after executing the following code snippet in the org?
List<Contact> contactsToBeInserted=new List<Contact>(); Contact
contactInstance= new Contact(LastName='Smith', Department='Tech',
Zone_c='IAD'); contactsToBeInserted.add(contactInstance); contactInstance= new Contact(LastName='Sm1th', Department='Tech', Zone_c='PITT'); contactsToBeInserted.add(contactInstance); Database.insert (contactsToBeInserted,true);

A. Both inserts succeed and the contact record that has the Zone value of 'PITT' is truncated
B. An unhandled DML exception is thrown and no contact records are inserted
C. A partial insert succeeds and the contact record that has the Zone value 'IAD' is inserted
D. Both inserts succeed and the contact record that has the Zone value of 'PI'I'I' is set to NULL

正解：B

質問 # 112
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 access 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 users locale settings?

A. Use REGEX expressions to format the values retrieved via SOQL.
B. Use a wrapper class 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.

正解：C

質問 # 113
What is a benefit of JavaScript remoting over Visualforce Remote Objects?

A. Does not require any JavaScript code
B. Supports complex server-side application logic
C. Allows for specified re-render targets
D. Does not require any Apex code

正解：A

質問 # 114
......

PassTest練習資料は、成功するための貴重な可能性を奪います。このラインのプロのモデル会社として、PDIIトレーニング資料の成功：Platform Developer IIは予見できる結果になります。一部の厳選された顧客でさえ、彼らの高品質と正確さの実践をやめることはできません。私たちは品質の問題に非妥協的であり、あなたは彼らの習熟度を厳しく完全に確信することができます。長年の訂正と修正を受けて、PDII試験問題はすでに完璧になっています。彼らは、エラーのない有望な練習資料です。成功への道を示す指標として、私たちの練習資料はあなたの旅のあらゆる困難を乗り越えることができます。すべての課題をウォークインのように扱うことはできませんが、PDIIシミュレーションの実践により、Salesforceレビューを効果的にすることができます。それが彼らがラインのプロモデルである理由です。

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