PDII問題集、Salesforce実際の試験問題

質問 1

A developer is writing a Visualforce page that queries accounts in the system and presents a data table with the results. The users want to be able to filter the results based on up to five fields. However, the users want to pick the five fields to use as filter fields when they run the page. Which Apex code feature is required to facilitate this solution?

A. Dynamic SOQL

B. Metadata API

C. Streaming API

D. Variable binding

正解: A

解説: (PassTest メンバーにのみ表示されます)

質問 2

A developer sees test failures in the sandbox but not in production. No code or metadata changes have been actively made to either environment since the sandbox was created. Which consideration should be checked to resolve the issue?

A. Ensure the Apex classes are on the same API version.16

B. Ensure test classes are using SeeAllData = true.15

C. Ensure the sandbox is on the same release as production.17

D. Ensure that Disable Parallel Apex Testing is unchecked.18

正解: C

解説: (PassTest メンバーにのみ表示されます)

質問 3

Refer to the code snippet below:
Java
public static void updateCreditMemo(String customerId, Decimal newAmount){ List<Credit_Memo__c> toUpdate = new List<Credit_Memo__c>(); for(Credit_Memo__c creditMemo : [Select Id, Name, Amount__c FROM Credit_Memo__c WHERE Customer_Id__c = :customerId LIMIT 50]) { creditMemo.Amount__c = newAmount; toUpdate.add(creditMemo);
}
Database.update(toUpdate,false);
}
A custom object called Credit_Memo__c exists in a Salesforce environment. As part of a new feature development, the developer needs to ensure race conditions are prevented when a set of records are mod1ified within an Apex transaction. In the preceding Apex code, how can the developer alter the que2ry statement to use SOQL features to prevent race conditions within a tr3ansaction?4

A. [Select Id, Name, Amount__c FROM Credit_Memo__c WHERE Customer_Id__c = :customerId USING SCOPE LIMIT 50]

B. [Select Id, Name, Amount__c FROM Credit_Memo__c WHERE Customer_Id__c = :customerId LIMIT 50 FOR VIEW]

C. [Select Id, Name, Amount__c FROM Credit_Memo__c WHERE Customer_Id__c = :customerId LIMIT 50 FOR REFERENCE]

D. [Select Id, Name, Amount__c FROM Credit_Memo__c WHERE Customer_Id__c = :customerId LIMIT 50 FOR UPDATE]

正解: D

解説: (PassTest メンバーにのみ表示されます)

質問 4

Universal Containers develops a Visualforce page that requires the inclusion of external JavaScript and CSS files. They want to ensure efficient loading and caching of the page. Which feature should be utilized to achieve this goal?

A. @RemoteAction

B. Static resources

C. <apex:actionFunction>

D. <apex:pageBlockTable>

正解: B

解説: (PassTest メンバーにのみ表示されます)

質問 5

The Lightning Component allows users to click a button to save their changes and then redirects them to a different page. Currently, when the user hits the Save button, the records are getting saved, but they are not redirected. Which three techniques can a developer use to debug the JavaScript?1

A. Use Developer Console to view7 checkpoints.8

B. Use Developer Console to view the debug log.34

C. Use console.log() messages in the JavaScript.56

D. Enable Debug Mode for Lightning components for the user.9

E. Use the browser's dev tools to debug the JavaScript.2

正解: C,D,E

解説: (PassTest メンバーにのみ表示されます)

質問 6

A company's support process dictates that any time a case is closed with a status of 'Could not fix,' an Engineering Review custom object record should be created and populated with information from the case, the contact, and any of the products associated with the case. What is the correct way to automate this using an Apex trigger?12

A. An after upset trigger on Case that creates the Engineering Review record and ins7erts it8910

B. An after update trigger14 on Ca15se that creates the Engineering Review record and inserts it

C. A before update trigger on Case that creates the Engineering Review record and inserts it3456

D. 11 A before upset trigger on Case that creates the Engineering Review record and inserts it1213

正解: B

解説: (PassTest メンバーにのみ表示されます)

質問 7

Which statement is considered a best practice for writing bulk safe Apex triggers?

A. Add LIMIT 50000 to every SOQL statement.

B. Use the Database methods with allOrNone set to false instead of DML statements.

C. Add records to collections and perform DML operations against these collections.

D. Perform all DML operations from within a future method.

正解: C

解説: (PassTest メンバーにのみ表示されます)

質問 8

A developer is tasked with ensuring that email addresses entered into the system for Contacts and for a custom object called Survey_Response__c do not belong to a list of blocked domains. The list of blocked domains is stored in a custom object for ease of maintenance by users. The Survey_Response__c object is populated via a custom Visualforce page. What is the optimal way to implement this?

A. Implement the logic in an Apex trigger on Contact and also implement the logic within the custom Visualforce page controller.

B. Implement the logic in a helper class that is called by an Apex trigger on Contact and from the custom Visualforce page controller.

C. Implement the logic in validation rules on the Contact and the Survey_Response__c objects.

正解: B

解説: (PassTest メンバーにのみ表示されます)

質問 9

Which technique can run custom logic when a Lightning web component is loaded?

A. Use the connectedCallback() method.

B. Call $A.enqueueAction and pass in the method to call.

C. Use the renderedCallback() method.

D. Use an <aura:handler> init event to call a function.

正解: A

解説: (PassTest メンバーにのみ表示されます)

Salesforce Platform Developer II - PDII 模擬練習