CRT-450日本語学習内容 & CRT-450ファンデーション

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当社の唯一の目的は、各顧客が試験に合格するのを支援するとともに、短時間で重要な認定を取得することです。試験に合格し、自分にとって非常に重要なCRT-450認定を取得したい場合は、当社のCRT-450認定準備資料を選択して、試験の理解を深めることを強くお勧めします。あなたが準備するつもりです。弊社からCRT-450試験教材を購入することに決めた場合、試験に合格し、他の人よりもリラックスした方法で認定資格を取得できると考えています。

Salesforce CRT-450 試験は、Apex プログラミング言語、Visualforce フレームワーク、データモデリング、ユーザーインターフェースデザインなど、開発者のスキルと知識をテストします。試験は、テスト、展開、および Salesforce アプリケーションのメンテナンスなど、開発ライフサイクルに関連するトピックもカバーしています。Salesforce CRT-450 試験に合格することは、Salesforce プラットフォーム上でカスタムアプリケーションを設計、開発、およびメンテナンスする能力を証明します。

>> CRT-450日本語学習内容 <<

試験の準備方法-実用的なCRT-450日本語学習内容試験-更新するCRT-450ファンデーション

すべての人々のニーズに応じて、当社の専門家と教授は、すべての顧客向けに3種類のCRT-450認定トレーニング資料を設計しました。 3つのバージョンは、すべてのお客様が操作するために非常に柔軟です。実際の必要性に応じて、今後の試験の準備に最も適したバージョンを選択できます。当社のすべてのCRT-450トレーニング資料は、3つのバージョンにあります。 3つのバージョンのCRT-450の最新の質問を使用して、今後の試験の準備をすることは非常に柔軟です。

Salesforce CRT-450試験は、成功したSalesforce開発者になりたい人にとって必須の認定です。この認定は、カスタムオブジェクト、ワークフロー、検証ルールの設計と実装など、Salesforceプラットフォーム上でカスタムアプリケーションを開発するスキルを検証します。

Salesforce Certified Platform Developer I 認定 CRT-450 試験問題 (Q140-Q145):

質問 # 140
(Full question statement)
Which statement generates a list ofLeadsandContactsthat have a field containing the phrase "ACME"?

A. List<SObject> searchList = [FIND '*ACME*' IN FIELDS RETURNING Contact, Lead];
B. List<List<SObject>> searchList = [FIND '*ACME*' IN ALL FIELDS RETURNING Contact, Lead];
C. List<List<SObject>> searchList = [SELECT Name, Id FROM Contact, Lead WHERE Name LIKE '% ACME%'];
D. List<SObject> searchList = [find 'acme' in all fields returning Contact, Lead];

正解：B

解説：
C (Correct):This is the correctSOSL (Salesforce Object Search Language)syntax. It performs a full-text search across multiple objects and fields.
The format FIND '*ACME*' IN ALL FIELDS RETURNING Contact, Lead is thestandard and correctapproach for cross-object keyword searches.
Incorrect options:
A:Incorrect syntax; needs ALL FIELDS or NAME FIELDS, and proper result typing.
B:SOQL does not support searching across multiple objects in a single query.
D:Incorrect casing and structure; missing proper list handling.
Reference:Apex Developer Guide - SOSL Syntax
This relates toDeveloper Fundamentals (23%), specificallySOSL vs. SOQL use cases and syntax.

質問 # 141
What are two ways a developer can get the status of an enquered job for a class that queueable interface?
Choose 2 answers

A. View the apex status Page
B. Query the AsyncApexJobe object
C. View the apex flex Queue
D. View the apex Jobs page

正解：B、D

解説：
* View the Apex Jobs page and query the AsyncApexJob object are two ways a developer can get the status of an enqueued job for a class that implements the Queueable interface. They are both methods to
* monitor and manage the asynchronous Apex jobs that are submitted to the Apex job queue12.
* View the Apex Jobs page is a user interface option that allows a developer to see the status and results of the asynchronous Apex jobs in the Setup menu of Salesforce. It can show the progress, completion, failure, or cancellation of the jobs, as well as the start time, end time, submitted by, and apex class name of the jobs12.
* Query the AsyncApexJob object is a programmatic option that allows a developer to retrieve the status and results of the asynchronous Apex jobs using SOQL. It can access the same fields and information as the Apex Jobs page, as well as additional fields such as JobType, ParentJobId, and ExtendedStatus12.
* View the Apex Status page and view the Apex Flex Queue are two other options, but they are not applicable for the Queueable interface. They are used for different types of asynchronous Apex jobs12.
* View the Apex Status page is an option that allows a developer to see the status and results of the batch Apex jobs and future methods in the Setup menu of Salesforce. It can show the number of batches or methods processed, failed, or remaining, as well as the start time, end time, submitted by, and apex class or method name of the jobs12.
* View the Apex Flex Queue is an option that allows a developer to see and reorder the pending batch Apex jobs that are waiting to be processed in the Setup menu of Salesforce. It can hold up to 100 batch Apex jobs that exceed the limit of 5 concurrent jobs. It can show the apex class name, submitted by, and submitted date of the jobs12.
References:
* 1: Asynchronous Apex
* 2: Cert Prep: Platform Developer I: Automation and Logic

質問 # 142
A developer must modify the following code snippet to prevent the number of SOQL queries issued from exceeding the platform governor limit. public class without sharing OpportunityService( public static List<OpportunityLineItem> getOpportunityProducts(Set<Id> opportunityIds){ List<OpportunitylineItem> oppLineItems = new List<OpportunityLineItem>(); for(Id thisOppId:
opportunityIds){ oppLineItems.addAll([Select Id FROM OpportunityLineItems WHERE OpportunityId
= :thisOppId)]; } return oppLineItems; } }
The above method might be called during a trigger execution via a Lightning component. Which technique should be implemented to avoid reaching the governor limit?

A. Use the System.Limits.getlimitQueries() method to ensure the number of queries is less than 100.
B. Refector the code above to perform the SOQL query only if the Set of opportunityIds contains less 100 Ids.
C. Use the System.Limits.getQueries() method to ensure the number of queries is less than 100.
D. Refactor the code above to perform only one SOQL query, filtering by the Set of opportunityIds.

正解：A

質問 # 143
An Apex method, getAccounts, that returns a List of Accounts given a search Term, is available for Lighting Web components to use. What is the correct definition of a Lighting Web component property that uses the getAccounts method?

A. @AuraEnabled(getAccounts, {searchTerm: '$searchTerm'})
accountList;
B. @AuraEnabled(getAccounts, '$searchTerm')
accountList;
C. @wire(getAccounts, '$searchTerm')
accountList;
D. @wire(getAccounts, {searchTerm: '$searchTerm'})
accountList;

正解：D

解説：
https://developer.salesforce.com/docs/component-library/documentation/en/48.0/lwc/lwc.data_wire_service_about

質問 # 144
How can a developer refer to, or instantiate a PageReference in Apex? Choose 2 answers

A. By using the PageReference.Page() method with a partial or full URL.
B. By using a PageReference with a partial or full URL.
C. By using the ApexPages.Page() method with a Visualforce page name.
D. By using the Page object and a Visualforce page name.

正解：B、D

質問 # 145
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