PDII無料問題集「Salesforce Certified Platform Developer II (PDII)」

質問 1

A developer created a JavaScript library that simplifies the development of repetitive tasks and features and uploaded the library as a static resource called rsutils in Salesforce. Another developer is coding a new Lightning web component (LWC) and wants to leverage the library, Which statement properly loads the static resource within the LWC?

（A）impore {jsUtilities} from '@salasforce/resourceUrl/jsUtils';

（B）const jsUtilivy = SA.get{'SResource.isUtils');

（C）<lightning-require scripts="{|$Resource,jaUtils}"/>

（D）import jsUtilities from '@salesforce/rescurceUr1/jaUtiles';

正解：A 解答を投票する

解説: (JPNTest メンバーにのみ表示されます)

質問 2

Consider the queries in the options below and the following Information:
* For these queries, assume that there are more than 200,000 Account records.
* These records Include soft-deleted records; that is, deleted records that are still in the Recycle Bin.
* There are two fields that are marked as External Id on the
Account. These fields are customer_Number_c and ERR_Key_ s.
Which two queries are optimized for large data volumes?
Choose 2 answers

（A）SELECT Id FROM Account WHERE Name != ' 'AND IsDeleted = false

（B）SELECT 1d FROM Accounts WHERE Name != '°
AND Customer_Number_c- "ValueA'

（C）SELECT I4 FROM Account WHERE Name !- NULL

（D）SELECT ID FROM Account WHRE id IN :aListVariable

正解：A、B 解答を投票する

解説: (JPNTest メンバーにのみ表示されます)

質問 3

Consider the controller code below that is called from an Aura component and returns data wrapped in a class.

The developer verified that the queries return a single record each and there is error handling in the Aura component, but the component is not getting anything back when calling the controller getSemeData.
'What is wrong?

（A）The member's Kame and option of the class MyDataWrapper should be annotated with @AuraEnabled also.

（B）Instances of Apex classes, such as MyDatsWrapper, cannot be returned to a Lightning component.

（C）The member's Name and option should not have getter and setter.

（D）The member's Name and option should not be declared public.

正解：A 解答を投票する

解説: (JPNTest メンバーにのみ表示されます)

質問 4

How can a developer efficiently incorporate multiple JavaScript libraries in an Aura component?

（A）Use CDNs with script attributes.

（B）Join multiple assets from a static resource.

（C）Use JavaScript remoting and script tags.

（D）Implement the libraries in separate helper files.

正解：B 解答を投票する

解説: (JPNTest メンバーにのみ表示されます)

質問 5

A company has a Lightning page with many Lightning Components, some that cache reference data. It is reported that the page does not always show the most current reference data.
What can a developer use to analyze and diagnose the problem in the Lightning page?

（A）Salesforce Lightning Inspector Actions tab

（B）Salesforce Lightning Inspector Storage tab

（C）Salesforce Lightning Inspector Event Log tab

（D）Salesforce Lightning Inspector Transactions tab

正解：B 解答を投票する

解説: (JPNTest メンバーにのみ表示されます)

質問 6

A company wants to run different logic based on an Opportunity's record type.
Which code segment handles this request and follows best practices?

（A）

（B）

（C）

（D）

正解：C 解答を投票する

解説: (JPNTest メンバーにのみ表示されます)

質問 7

Refer to the Lightning component below:

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?
Choose 3 answers

（A）Enable Debug Mode for Lightning components for the user.

（B）Use console.log () messages in the JavaScript.

（C）Use Developer Console to view checkpoints.

（D）Use the browser's dev tools to debug the JavaScript.

（E）Use Developer Console to view the debug log.

正解：A、B、D 解答を投票する

解説: (JPNTest メンバーにのみ表示されます)

質問 8

A developer created an Apex class that updates an Account based on input from a Lightning web component that Is used to register an Account. The update to the Account should only be made if it has not already been registered.

What should the developer do to ensure that users do not overwrite each other's updates to the same Account if they make updates at the same time?

（A）

（B）

（C）

（D）

正解：C 解答を投票する

解説: (JPNTest メンバーにのみ表示されます)

質問 9

Universal Containers (UC) has enabled the translation workbench and has translated picklist values. UC has a custom multi-select picklist field, Product__c, on the Account object that allows sales reps to specify which of UC's products an Account already has. A developer is tasked with writing an Apex method that retrieves Account records, including the Product_c field.
What should the developer do to ensure the value of Products__c is in the current user's language?

（A）Use the Locale clause in the SOQL query.

（B）Call the translate method on each record in the SOQL result list.

（C）Set the locale on each record in the SOQL result list.

（D）Use tolabel ducts__c) in the fields list of the SOQL query.

正解：D 解答を投票する

解説: (JPNTest メンバーにのみ表示されます)

質問 10

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

（A）Add records to collections and perform DML operations against these collections.

（B）Perform all DML operations from within a future method.

（C）Use the Database methods with allorNone set to £21s= instead of DML statements.

（D）Add LIMIT 50000 to every SOQL statement.

正解：A 解答を投票する

解説: (JPNTest メンバーにのみ表示されます)

PDII 無料問題集「Salesforce Certified Platform Developer II (PDII)」

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