試験の準備方法-有難いPDI関連復習問題集試験-正確的なPDI日本語対策問題集

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PDI日本語対策問題集 & PDI模擬試験問題集

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Salesforce Platform Developer I (PDI) 認定 PDI 試験問題 (Q68-Q73):

質問 # 68
Which statement should be used to allow some of the records in a list of records to be inserted if others fail to be inserted?

A. Database. insert (records, true)
B. insert (records, false)
C. Database. insert (records, false)
D. insert records

正解：C

解説：
Database.insert(records, false):
The Database.insert() method with the allOrNone parameter set to false allows for partial success.
If some records in the list fail due to validation rules, triggers, or other errors, the method will still attempt to insert the remaining valid records.
The false parameter ensures that records that fail will not roll back the transaction for the others.
Why not the other options?
A . Database.insert(records, true):
The true parameter makes the operation transactional (all or none). If any record fails, all records will roll back.
B . insert records:
The insert DML statement behaves like Database.insert(records, true) by default and rolls back all records if any error occurs.
C . insert(records, false):
This syntax is invalid in Apex.
Reference:
Apex DML Operations Documentation
Database Methods

質問 # 69
Which code in a Visualforce page and/or controller might present a security vulnerability?

正解：B

質問 # 70
While developing an Apex class with custom search functionality that will be launched from a Lightning Web Component, how can the developer ensure only records accessible to the currently logged in user are displayed?

A. Use the with sharing keyword.
B. Use the WITH SECURITY_ENFORCED clause within the SOQL.
C. Use the without sharing keyword.
D. Use the inherited sharing keyword.

正解：B

解説：
* Why WITH SECURITY_ENFORCED?
* Ensures field-level security and sharing rules are enforced in SOQL queries.
* Prevents unauthorized records or fields from being accessed or displayed.
* Why Not Other Options?
* B and C: with sharing and inherited sharing enforce record-level access but do not handle field- level security.
* D: without sharing ignores sharing rules, which would display all records regardless of user permissions.
* Security in SOQL: https://developer.salesforce.com/docs/atlas.en-us.apexcode.meta/apexcode
/apex_classes_with_security_enforced.htm
References:

質問 # 71
Considering the following code snippet:
public static void insertAccounts(List < Account > theseAccounts){
for(Account thisAccount : theseAccounts){
if(thisAccount.website == null){
thisAccount.website = ' https://www.demo.com ' ;
}
}
update theseAccounts;
}
When the code executes, a DML exception is thrown.
How should a developer modify the code to ensure exceptions are handled graceful!

A. Implement the `up**** DML statement`.
B. Remove null items from the list of Accounts`.
C. Implement a try/catch block for the DML.
D. Implement Change Data Capture`. D. Implement a try/catch block for the DML.

正解：C

解説：
Answer D is correct. The Salesforce Platform favors metadata-driven design where possible and Apex or custom UI when requirements exceed declarative capability. Correct design means selecting the lowest- maintenance platform feature that satisfies security, data integrity, scalability, and user experience requirements while remaining compatible with Salesforce's multi-tenant runtime model. The other options either use the wrong platform feature, apply at the wrong layer, or ignore a key Salesforce constraint. For Platform Developer I, the important point is not just syntax; it is choosing the feature that aligns with transaction behavior, security enforcement, maintainability, and supported metadata capabilities. Reference focus: Salesforce Apex Developer Guide, SOQL and SOSL Reference, Flow Builder Help, and Apex Reference Guide. This distinction is important in production orgs because small design mistakes can create deployment failures, runtime exceptions, data-quality defects, or user-visible security gaps once automation is executed in bulk or from multiple entry points. This matters on the Salesforce platform because the same logic can run from the user interface, API operations, imports, and background automation.

質問 # 72
A developer is alerted to an issue with a custom Apex trigger that is causing records to be duplicated.
What is the most appropriate debugging approach to troubleshoot the issue?

A. Review the Historical Event logs to identify the source of the issue.
B. Disable the trigger in production and test to see if the issue still occurs.
C. Use the Apex Interactive Debugger to step through the code and identify the issue.
D. Add system.debug statements to the code to track the execution flow and identify the issue.

正解：D

質問 # 73
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