DEX-450試験無料問題集（202題）「Salesforce Programmatic Development using Apex and Visualforce in Lightning Experience 認定」

出題：1

In terms of the MVC paradigm, what are two advantages of implementing the view layer of a Salesforce application using Lightning Web Component-based development over Visualforce?
Choose 2 answers

A. Rich component ecosystem

B. Leg capturing via the Debug Logs Setup page

C. Self-contained and reusable units of an application

D. Built-in standard and custom set controllers

正解：A,C 解答を投票する

出題：2

Universal Containers wants a list button to display a Visualforce page that allows users to edit multiple records.
Which Visualforce feature supports this requirement?

A. Custom List Controller with recorasetvar page attribute

B. Controller Extension and <spex:listButton> tag

C. Standard controller and the recordsetvar page attribute

D. Standard Controller with Custom List Controller extension

正解：C 解答を投票する

出題：3

A development team wants to use a deployment script to automatically deploy to a sandbox during their development cycles.
Which two tools can they use to run a script that deploys to a sandbox?
Choose 2 answers

A. Developer Console

B. Change Sets

C. Ant Migration Tool

D. SFDX CLI

正解：C,D 解答を投票する

出題：4

A company has a custom object, order __c, that has a required, unique external ID field called order Number__c.
Which statement should be used to perform the DML necessary to insert new records and update existing records in a list of Order __c records using the external ID field?

A. upsert orders Order Number c;

B. merge orders Order Number_c;

C. upsert orders;

D. merge orders;

正解：A 解答を投票する

出題：5

A developer creates a batch Apex job to update a large number of records, and receives reports of the job timing out and not completing.
What is the first step towards troubleshooting the issue?

A. Check the asynchronous job monitoring page to view the job status and logs.

B. Disable the batch job and recreate it with a smaller number of records.

C. Check the debug logs for the batch job.

D. Decrease the batch size to reduce the load on the system.

正解：A 解答を投票する

出題：6

Managers at Universal Containers want to ensure that only decommissioned containers are able to be deleted in the system. To meet the business requirement a Salesforce developer adds "Decommissioned" as a picklist value for the Status _c custom field within the Container _c object.
Which two approaches could a developer use to enforce only Container records with a status of "Decommissioned" can be deleted?
Choose 2 answers

A. Apex trigger

B. After record-triggered flow

C. Before record-triggered flaw

D. Validation rule

正解：A,B 解答を投票する

出題：7

The following code snippet is executed by a Lightning web component in an environment with more than 2,000 lead records:

Which governor limit will likely be exceeded within the Apex transaction?

A. Total number of records processed as a result of DML statements

B. Total number of DML statements issued

C. Total number of SOOL quires issued

正解：A 解答を投票する

出題：8

While developing an Apex class with custom search functionality that will be launched from a Lightning Web Component, how can the developer ensure only records accessible to the currently logged in user are displayed?

A. Use the inherited sharing keyword.

B. Use the with sharing keyword.

C. Use the without sharing keyword.

D. Use the WITH SECURITY_ENFORCED clause within the SOQL.

正解：D 解答を投票する

出題：9

A custom picklist field, Pool Preference , exists on a custom object. The picklist contains the following options: 'Vegan', 'Kosher', 'No Preference'. The developer must ensure a value is populated every time a record is created or updated.
What is the optimal way to ensure a value is selected every time a record is saved?

A. Mark the field as Required on the field definition.

B. Mark the field as Required on the object's page layout.

C. Write an Apex trigger to ensure a value is selected,

D. Set "Use the first value in the list as the default value" to True.

正解：D 解答を投票する

出題：10

Universal Containers (UC) wants to lower its shipping cost while making the shipping process more efficient. The Distribution Officer advises UC to implement global addresses to allow multiple Accounts to share a default pickup address. The developer is tasked to create the supporting object and relationship for this business requirement and uses the Setup Menu to create a custom object called "Global Address".
Which field should the developer add to create the most efficient model that supports the business need?

A. Add a lookup field on the Global Address object to the Account object.

B. Add a master-detail field on the Global Address object to the Account object.

C. Add a lookup field on the Account object to the Global Address object.

D. Add a master-detail field on the Account object to the Global Address object.

正解：D 解答を投票する

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