Salesforce CRT-450的中合格問題集、CRT-450試験復習赤本

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Salesforce CRT-450 Exam Overview:

Certification Vendor:	Salesforce
Exam Name:	Salesforce Certified Platform Developer I Exam
Exam Number:	CRT-450
Available Languages:	German, Japanese, French, English, Spanish
Exam Duration:	105 minutes
Exam Price:	200 USD
Related Certifications:	Salesforce Certified Platform App Builder Salesforce Certified Platform Developer II
Certificate Validity Period:	3 years
Exam Format:	Multiple Choice, Multiple Select
Passing Score:	68%
Real Exam Qty:	60
Recommended Training:	Salesforce Developer Beginner Modules Trailhead Platform Developer I Learning Path
Exam Registration:	Salesforce Certification Registration Kryterion Webassessor Exam Scheduling
Sample Questions:	Salesforce CRT-450 Sample Questions
Exam Way:	Online proctored or onsite at authorized testing centers (e.g., Kryterion/Webassessor)
Pre Condition:	No formal prerequisites. Recommended experience with Salesforce Platform and Apex development; completion of Platform App Builder certification or Trailhead modules is suggested.
Official Syllabus URL:	https://trailhead.salesforce.com/credentials/platformdeveloper1

>> Salesforce CRT-450的中合格問題集 <<

CRT-450試験復習赤本、CRT-450問題無料

私たちに知られているように、当社は、すべての受験者向けのCRT-450試験資料を編集するために設立された専門ブランドです。当社のCRT-450ガイドファイルは、この分野の当社の多くの専門家や教授によって設計されています。当社のCRT-450認定準備資料は、教材資料市場で絶対的な権限を持っていると約束できます。弊社が設計した教材はあなたに最適な選択になると信じています。試験の準備をするときは、当社のCRT-450ガイドファイルに完全に依存できます。

Salesforce CRT-450（Salesforce Certified Platform Developer I）認定試験は、Salesforceプラットフォームにカスタマイズされたアプリケーションと機能を構築する開発者のスキルを検証する認定プログラムです。この試験は、Salesforceプラットフォーム、その機能、およびそのさまざまなコンポーネントに関する候補者の理解をテストするように設計されています。認定プログラムは、Salesforceプラットフォームでアプリケーションを開発し、スキルを検証したい開発者向けに設計されています。

Salesforce CRT-450試験に合格するには、Apexプログラミング言語、VisualForceフレームワーク、およびSalesforceプラットフォームを深く理解する必要があります。また、Salesforceプラットフォームでカスタムアプリケーションを開発する際に実践的な経験をする必要があります。

Salesforce Certified Platform Developer I 認定 CRT-450 試験問題 (Q180-Q185):

質問 # 180
In the code below, which type does String inherit from? String s = 'Hello World';

A. Class
B. Object
C. Prototype
D. Object

正解：D

質問 # 181
A lead object has a custom field Prior_Email__c. The following trigger is intended to copy the current Email into the Prior_Email__c field any time the Email field is changed:

Which type of exception will this trigger cause?

A. A compile time exception
B. A DML exception
C. A null reference exception
D. A limit exception when doing a bulk update

正解：B

質問 # 182
The operation manager at a construction company uses a custom object called Machinery to manage the usage and maintenance of its cranes and other machinery. The manager wants to be able to assign machinery to different constructions jobs, and track the dates and costs associated with each job. More than one piece of machinery can be assigned to one construction job.
What should a developer do to meet these requirements?

A. Create a lookup field on theConstruction Job object to the Machinery object.
B. Create a junction object with Master-Detail Relationship to both the Machinery object and the Construction Job object.
C. Create a lookup field on the Machinery object to the Construction Job object.
D. Create a Master-Detail Lookup on the Machinery object to the Construction Job object.

正解：A

質問 # 183
A developer needs to prevent the creation of Request__c records when certain conditions exist in the system. A RequestLogic class exists that checks the conditions.
What is the correct implementation?

正解：D

質問 # 184
A developer needs to have records with specific field values in order to test a new Apex class.
What should the developer do to ensure the data is available to the test?

A. Use Test.loadData() and reference a CSV file in a static resource.
B. Use Anonymous Apex to create the required data.
C. Use SOQL to query the org for the required data.
D. Use test.loadData() and reference a JSON file in Documents.

正解：A

解説：
To ensure that specific data is available in test methods, the developer should create test data within the test context.
Option B: Use Test.loadData() and reference a CSV file in a static resource.
Correct Approach.
Test.loadData() is a method that allows test methods to load test data from a CSV file stored as a static resource.
This method creates the records in the test context, ensuring that the data is available during the test execution.
Using a CSV file makes it easy to define multiple records with specific field values.
Usage Example:
@isTest
private class MyTestClass {
@isTest
static void testMethod() {
List<MyObject__c> testRecords = (List<MyObject__c>) Test.loadData(MyObject__c.sObjectType, 'MyTestData');
// Proceed with testing using testRecords
}
}
Where 'MyTestData' is the name of the static resource containing the CSV file.
Test.loadData() does not support loading data from JSON files or from the Documents object.
It uses CSV files stored as static resources.
Option C: Use Anonymous Apex to create the required data.
Not Effective for Testing.
Data created via Anonymous Apex is not available in test methods due to data isolation.
Test methods operate in their own context and cannot access data created outside the test unless SeeAllData=true is used, which is discouraged.
Option D: Use SOQL to query the org for the required data.
Not Recommended.
Test methods should not rely on existing org data.
Tests should create their own data to ensure consistency and avoid dependencies.
Using SeeAllData=true is discouraged.
Conclusion:
To ensure that records with specific field values are available in the test, the developer should use Test.loadData() with a CSV file stored in a static resource.
Therefore, Option B is the correct answer.
Reference:
Test.loadData() Method
Static Resources
Options Not Suitable:
Option A: Use test.loadData() and reference a JSON file in Documents.
Incorrect.

質問 # 185
......

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