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Gus Lee Gus Lee

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Salesforce PDI（平台開發人員 I）認證考試旨在驗證想要在 Salesforce 平台上開發和部署自定義應用程序的專業人員的技能和知識。此認證展示了對 Salesforce 開發環境的全面理解，包括 Apex、Visualforce、SOQL 和 SOSL。考試適用於有使用 Salesforce 建立自定義應用程序經驗的開發人員，並希望將其技能提高到下一個級別。

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最新的 Salesforce PDI PDI 免費考試真題 (Q19-Q24):

問題 #19
A developer created an Apex trigger using the Developer Console and now wants to debug codeHow can the developer accomplish this in the Developer Console?

A. Open the Progress tab in the Developer Console.
B. Add the user name in the Log Inspector.
C. Select the Override Log Triggers checkbox for the trigger
D. Open the logs tab in the Developer Console.

答案：D

問題 #20
A developer has to Identify a method in an Apex class that performs resource intensive actions in memory by iterating over the result set of a SOQL statement on the account. The method also performs a DML statement to save the changes to the database. Which two techniques should the developer implement as a best practice to esure transaction control and avoid exceeding governor limits? Choose 2 answers

A. Use the System.Limit class to monitor the current CPU governor limit consuption. (Missed)
B. Use Partial DML statements to ensure only valid data is committed.
C. Use the @ReadOnly annotation to bypass the number of rows returned by a SOQL.
D. Use the Database.Savepoint method to enforce database integrity. (Missed)

答案：A,D

問題 #21
Universal Container* decides to use purely declarative development to build out a new Salesforce application.
Which two options can be used to build out the business logic layer for this application?
Choose 2 answer

A. Validation Rules
B. Remote Actions
C. Batch Jobs
D. Record- Triggered flow

答案：A,D

問題 #22
A developer Is designing a new application on the Salesforce platform and wants to ensure it can support multiple tenants effectively.
Which design framework should the developer consider to ensure scalability and maintainability?

A. Flux (view, action, dispatcher, and store)
B. Agile Development
C. Model-View-Controller (MVC)
D. Waterfall Model

答案：C

解題說明：
When designing a new application on the Salesforce platform that needs to support multiple tenants effectively (i.e., multiple customers or users), the developer should consider the Model-View-Controller (MVC) framework.
Option B: Model-View-Controller (MVC)
Correct Design Framework.
MVC is a software architectural pattern for implementing user interfaces.
Model: Represents the data and business logic.
View: Represents the presentation layer.
Controller: Handles user input and interactions.
Salesforce's platform follows the MVC pattern, which helps in separating concerns, ensuring scalability, and maintainability.
Agile is a methodology for managing projects, not a design framework.
It does not directly address scalability or maintainability.
Option C: Flux (view, action, dispatcher, and store)
Not Commonly Used in Salesforce.
Flux is an application architecture used by Facebook for building client-side web applications.
It is not a standard design pattern in Salesforce development.
Option D: Waterfall Model
Development Methodology, Not a Design Framework.
Waterfall is a linear and sequential approach to software development.
It does not specifically help with scalability and maintainability in multi-tenant environments.
Conclusion:
The developer should consider the Model-View-Controller (MVC) framework, which is Option B.
Reference:
Salesforce MVC Architecture
Understanding the Salesforce Architecture
Incorrect Options:
Option A: Agile Development
Development Methodology, Not a Design Framework.

問題 #23
What are three ways for 2 developer to execute tests in an org? Choose 3 answers

A. Bulk API
B. SalesforceDX
C. Metadata APT
D. Setup Menu
E. Tooling API

答案：B,D,E

問題 #24
......

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