DEX-450無料問題集「Salesforce Programmatic Development using Apex and Visualforce in Lightning Experience」

質問 1

A developer needs to prevent the creation of Request _c records when certain conditions exist in the system. A BequestLogic class exists that checks the conditions.
What is the correct implementation?

（A）

（B）

（C）

（D）

正解：A 解答を投票する

質問 2

Universal Containers (UC) is developing a process for their sales teams that requires all sales reps to go through a set of scripted steps with each new customer they create.
In the first step of collecting information, UC's ERP system must be checked via a REST endpoint to see if the customer exists. If the customer exists, the data must be presented to the sales rep in Salesforce.
Which two should a developer implement to satisfy the requirements?
Choose 2 answers

（A）Trigger

（B）Invocable method

（C）Future method

（D）Flow

正解：B、D 解答を投票する

質問 3

A developer is migrating a Visualforce page into a Lightning web component.
The Visualforce page shows information about a single record. The developer decides to use Lightning Data Service to access record data.
Which security consideration should the developer be aware of?

（A）Lightning Data Service ignores field-level security.

（B）The isAccessible () method must be used for field-level access checks.

（C）The with sharing keyword must be used to enforce sharing rules.

（D）Lightning Data Service handles sharing rules and field-level security.

正解：D 解答を投票する

質問 4

Universal Containers has a Visualforce page that displays a table of every Container__c being rented by a given Account. Recently this page is failing with a view state limit because some of the customers rent over 10,000 containers.
What should a developer change about the Visualforce page to help with the page load errors?

（A）Implement pagination with an OffsetController.

（B）Implement pagination with a StandardSetController.

（C）Use JavaScript remoting with SOQL Offset.

（D）Use lazy loading and a transient List variable.

正解：B 解答を投票する

質問 5

The sales management team at Universal Containers requires that the Lead Source field of the Lead record be populated when a Lead is converted What should be done to ensure that a user populates the Lead Source field prior to converting a Lead?

（A）Use a validation rule.

（B）Use Lead Conversion field mapping.

（C）Create an after trigger on Lead.

（D）Use a formula field.

正解：A 解答を投票する

質問 6

A developer considers the following snippet of code:

Based an this code, what is the value of x?

（A）3

（B）1

（C）4

（D）2

正解：C 解答を投票する

質問 7

What does the Lightning Component framework provide to developers?

（A）Prebuilt components that can be reused

（B）Extended governor limits for applications

（C）Templates to create custom components

（D）Support for Classic and Lightning UIs

正解：A 解答を投票する

質問 8

A developer is tasked with building a custom Lightning web component to collect Contact information.
The form will be shared among many different types of users in the org. There are security requirements that only certain fields should be edited and viewed by certain groups of users.
What should the developer use in their Lightning Web Component to support the security requirements?

（A）ui-input-failed

（B）aura-input-failed

（C）lightning-input-failed

（D）force-input-failed

正解：D 解答を投票する

質問 9

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 10

A developer creates a new Apex trigger with a helper class, and writes a test class that only exercises 95% coverage of the new Apex helper class.
Change Set deployment to production fails with the test coverage warning:
"Test coverage of selected Apex Trigger is 0%, at least 1% test coverage is required." What should the developer do to successfully deploy the new Apex trigger and helper class?

（A）Create a test class and methods to cover the Apex trigger.

（B）Remove the failing test methods from the test class

（C）Increase the test class coverage on the helper class.

（D）Run the tests using the Run All Tests' method.

正解：A 解答を投票する

DEX-450 無料問題集「Salesforce Programmatic Development using Apex and Visualforce in Lightning Experience」

弊社を連絡する

関連リンク

トップ試験