CRT-450無料問題集「Salesforce Certified Platform Developer I」

質問 1

A developer is integrating with a legacy on-premise SQL database.
What should the developer use to ensure the data being integrated is matched to the right records in Salesforce?

（A）External ID field

（B）External Object

（C）Lookup field

（D）Formula field

正解：A 解答を投票する

質問 2

Which two events need to happen when deploying to a production org?
Choose 2 answers

（A）All triggers must have some test coverage

（B）All Visual flows must have at least 1% test coverage.

（C）All custom objects must have visibility set to a value other than in Development.

（D）All Apex code must have at least 75% test coverage.

正解：A、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 3

Universal Containers is building a recruiting app with an Applicant object that stores information about an individual person and a Job object that represents a job. Each applicant may apply for more than one job.
What should a developer implement to represent that an applicant has applied for a job?

（A）Lookup field from Applicant to Job

（B）Master-detail field from Applicant to Job

（C）Formula field on Applicant that references Job

（D）Junction object between Applicant and Job

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 4

What can be used to override the Account's standard Edit button for Lightning Experience?

（A）Lightning action

（B）Lightning component

（C）Lightning page

（D）Lightning flow

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 must troubleshoot to pinpoint the causes of performance issues when a custom page loads in their org.
Which tool should the developer use to troubleshoot query performance?

（A）Developer Console

（B）Visual Studio Code IDE

（C）AppExchange

（D）Setup Menu

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 6

A developer has a single custom controller class that works with a Visualforce Wizard to support creating and editing multiple sObjects. The wizard accepts data from user inputs across multiple Visualforce pages and from a parameter on the initial URL.
Which three statements are useful inside the unit test to effectively test the custom controller?
Choose 3 answers

（A）public Extendedcontroller (ApexPages.Standardcontraller entrl) { }

（B）Test. setCurrentPage (pageRef) ;

（C）String nextPage = controller.save().getUrl ();

（D）ApexPages.currentPage ().getParametera(}.put{'input', "TeatValue');

（E）insert pageret;

正解：A、C、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 7

A developer considers the following snippet of code:
Boolean isOK;
Integer x;
String theString = 'Hello';
if (isOK == false && theString == 'Hello') {
x = 1;
} else if (isOK == true && theString == 'Hello') {
x = 2;
} else if (isOK == null && theString == 'Hello') {
x = 3;
} else {
x = 4;
}
Based an this code, what is the value of x?

（A）3

（B）1

（C）4

（D）2

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 8

Which three resources in an Aura component can contain JavaScript functions?
Choose 3 answers

（A）Style

（B）Design

（C）Helper

（D）Renderer

（E）Controller

正解：C、D、E 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 is developing a new Lightning web component for their marketing department. They want to ensure that the component is fine-tuned and provides a seamless user experience.
What are some benefits of using the Lightning Component framework?

（A）Easy integration with third-party libraries

（B）Compatibility with all web browsers

（C）Better performance due to client-side rendering

（D）Automatic support for accessibility standards

正解：A、C、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

Consider the following code snippet:
public static List<Lead> obtainAllFields(Set<Id> leadIds) {
List<Lead> result = new List<Lead>();
for (Id leadId : leadIds) {
result.add([SELECT FIELDS(ALL) FROM Lead WHERE Id = :leadId]);
}
return result;
}
Given the multi-tenant architecture of the Salesforce platform, what is a best practice a developer should implement to ensure successful execution of the method?

（A）Avoid using variables as query filters.

（B）Avoid returning an empty List of records.

（C）Avoid performing queries inside for loops.

（D）Avoid executing queries without a limit clause.

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)

CRT-450 無料問題集「Salesforce Certified Platform Developer I」

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