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

質問 1

A developer is creating a Lightning web component that displays a list of records in a lightning-datatable.
After saving a new record to the database, the list is not updating.

What should the developer change in the code above for this to
happen?

（A）Call rafrasnApex() ON this.dazta.

（B）Create a variable to store the result and call refreshpex().

（C）Create a new variable to store the result and annotate it with @track.

（D）Add the @track decorator to the data variable.

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 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 Id 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

Universal Containers uses Salesforce to track orders in an order__c object.
The order = object has private organization-wide defaults. The order = object has a custom field, Quality_Controller_c, that is a Lookup to User and is used to indicate that the specified User is performing quality control on the order_ co.
What should be used to automatically give read only access to the User set in the Quality_Controller field?

（A）Apex managed sharing

（B）Record ownership

（C）Criteria-based sharing

（D）User managed sharing

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

A software company uses a custom object, Defact__c, to track defects in their software. Defect__c has organization-wide defaults set to private. Each Defect_ c has a related list of Reviewer < records, each with a lookup field to User that is used to indicate that the User will review the defect__c.
What should be used to give the User on the Reviewer_c record read only access to the Defect__c record on the Reviewer_c record?

（A）Apex managed sharing

（B）Criteria-based sharing

（C）View All on Defect__c

（D）Lightning web component

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 5

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）variable binding

（B）Streaming API

（C）Metadata APT

（D）dynamic SOQL

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 6

A developer is working on an integration between Salestorce and an external system. The integration requires sending a large amount of data to the external systern, which can cause long response times and timeouts.
To optimize the performance and avoid timeouts, which technique should be used?

（A）Implement an asynchronous callout using the Continuation class,

（B）Use the @future annotation to make the callout asynchronous.

（C）Increase the timeout limit in the callout options,

（D）Use a chained batch Apex to split the data into smaller batches.

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 7

Which three actions must be completed in a Lightning web component for a JavaScript file In a static resource to be loaded? Choose 3 answers

（A）Import the static resource.

（B）Import a method from the platformResourceLoader.

（C）Reference the static resource in a <script> tag.

（D）Call loadScript.

（E）Append the static resource to the DOM.

正解：A、B、D 解答を投票する

質問 8

A developer writes a Lightning web component that displays a dropdown list of all custom objects in the org from which a user will select. An Apex method prepares and returns data to the component.
What should the developer do to determine which objects to include in the response?

（A）Import the list of all custom objects from @salesforce/schema.

（B）Check the isCustom() value on the sObject describe result.

（C）Check the getobiectType [) value for 'Custom' or "Standard' on the sObject describe result.

（D）Use the getcustomobjects() method from the Schema class.

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 9

A developer is writing a Jest test for a Lightning web component that conditionally displays child components based on a user's checkbox selections.
What should the developer do to properly test that the correct components display and hide for each scenario?

（A）Create a new jsdom instance for each test.

（B）Add a teardown block to reset the DOM after each test.

（C）Create a new describe block for each test.

（D）Reset the DOM after each test with the after Each() method.

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

An org has an existing process, built using Process Builder, on Opportunity that sets a custom field, CommissionBaseAmount__c, when an Opportunity is edited and the Opportunity's Amount changes.
A developer recently deployed an Opportunity before update trigger that uses the CommissionBaseAmount__c and complex logic to calculate a value for a custom field, CommissionAmount__c, when an Opportunity stage changes to Closed/Won.
Users report that when they change the Opportunity to Closed/Won and also change the Amount during the same save, the CommissionAmount__c is incorrect.
Which action should the developer take to correct this problem?

（A）A Replace the process with a Fast Field Update record-trigger flow.

（B）Call the trigger from the process.

（C）Call the process from the trigger.

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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