素敵Salesforce Plat-Dev-301｜素晴らしいPlat-Dev-301専門知識訓練試験｜試験の準備方法Salesforce Certified Platform Developer II - Multiple Choice資格認定試験

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Salesforce Plat-Dev-301 Exam Syllabus Topics:

SectionWeightObjectives
User Interface Development20%- Build complex Lightning Web Components and Aura Components
- Optimize UI performance and usability
- Implement advanced Visualforce functionality
Testing, Debugging, and Deployment20%- Deployment strategies, CI/CD, and change management
- Debugging and error handling across layers
- Advanced testing strategies and test frameworks
Logic, Process Automation, and Integration27%- 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
Performance and Data Management18%- Optimize queries and handle large data volumes
- Data modeling and complex data operations
- Governor limits optimization and best practices
Advanced Developer Fundamentals15%- Apply security best practices in development
- Work with localization, multi-currency, and global features
- Design and maintain scalable, reusable code

>> Plat-Dev-301専門知識訓練 <<

Salesforce Plat-Dev-301専門知識訓練: Salesforce Certified Platform Developer II - Multiple Choice - Pass4Test プロフェッショナルオファー

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Salesforce Certified Platform Developer II - Multiple Choice 認定 Plat-Dev-301 試験問題 (Q101-Q106):

質問 # 101
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

正解：B、C

解説：
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


質問 # 102
A developer is asked to build a solution that will automatically send an email to the customer when an Opportunity stage changes. The solution must scale to allow for 10,000 emails per day. The criteria to send the email should be evaluated after certain conditions are met.
What is the optimal way to accomplish this?

正解：C

解説：
Using an Email Alert with Flow Builder allows for scalable solutions that can handle large volumes of emails, and it offloads the processing from Apex to Salesforce's declarative automation tools. This approach is also bulk-safe, as it does not rely on Apex code that could hit governor limits.


質問 # 103
Given the following code:

Assuming there were 10 Contacts and five Accounts created today, what is the expected result?

正解：D

解説：
The loop contains a SOQL query inside, causing it to run multiple times. This will throw a QueryException because the Account query returns more than one row.


質問 # 104
A developer created an Opportunity trigger that updates the account rating when an associated opportunity is considered high value. Current criteria for an opportunity to be considered high value is an amount greater than or equal to $1,000,000. However, this criteria value can change over time.
There is a new requirement to also display high value opportunities in a Lightning web component.
Which two actions should the developer take to meet these business requirements, and also prevent the business logic that obtains the high value opportunities from being repeated in more than one place?
Choose 2 answers

正解：B、D

解説：
Creating a helper class allows the logic to be centralized and reused in both the trigger and the Lightning Web Component (LWC), avoiding repetition. Using custom metadata to store the criteria value allows easy updates without code changes and can be referenced from both the helper class and the trigger.
Apex Developer Guide
Custom Metadata Types Guide


質問 # 105
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?

正解：D

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.


質問 # 106
......

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