Unique Top-selling DEX-450 Exams – New 2022 Salesforce Pratice Exam [Q71-Q87]

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Unique Top-selling DEX-450 Exams – New 2022 Salesforce Pratice Exam

Salesforce Developer Dumps DEX-450 Exam for Full Questions – Exam Study Guide

NO.71 A company has a custom object named Region. Each account in salesforce can only be related to one region at a time, but this relationship is optional. Which type of relantionship should a developer use to relate an account to a region?

Parent-child

Master-detail

Hierarchical

Lookup

NO.72 A developer needs to join data received from an integration with an external system with parent records in Salesforce. The data set does not contain the Salesforce IDs of the parent records, but it does have a foreign key attribute that can be used to identify the parent.
Which action will allow the developer to relate records in the data model without knowing the Salesforce ID?

Create a custom field on the child object of type Foreign Key

Create and populate a custom field on the parent object marked as Unique

Create and populate a custom field on the parent object marked as an External ID.

Create a custom field on the child object of type External Relationship.

NO.73 In a single record, a user selects multiple values from a multi-select picklist. How are the selected values represented in Apex?

As a String with each value separated by a comma

As a Set with each value as an element in the set

As a String with each value separated by a semicolon

As a List with each value as an element in the list Previous

NO.74 How many level of child records can be returned in a single SOQL query from one parent object

NO.75 A developer created a Visualforce page and a custom controller with methods to handle different buttons and events that can occur on the page.
What should the developer do to deploy to production?

Create a test class that provides coverage of the Visualforce page.

Create a test page that provides coverage of the Visualforce page.

Create a test page that provides coverage of the custom controller.

Create a test class that provides coverage of the custom controller.

NO.76 Where would a developer build a managed package?

Developer Sandbox

Unlimited Edition

Partial Copy Sandbox

Developer Edition

NO.77 Which tool can deploy destructive changes to apex classes in production?

Workbench

Salesforce setup

Change sets

Developer Console

NO.78 A custom Visualforce controller calls the ApexPages,addMessage () method, but no messages are rendering on the page.
Which component should be added to the Visualforce page to display the message?

<apex: pageMessages />

<apex: pageMessage severity=”info”/>

<Apex: facet name=” message”/>

<Apex: message for=” info”/>

NO.79 When the number of record in a recordset is unknown, which control statement should a developer use to implement a set of code that executes for every record in the recordset, without performing a .size() or .length() method call?

For (init_stmt, exit_condition; increment_stmt) { }

Do { } While (Condition)

For (variable : list_or_set) { }

While (Condition) { … }

NO.80 How should a developer prevent a recursive trigger?

Use a “one trigger per object” pattern.

Use a static Boolean variable.

Use a trigger handler.

Use a private Boolean variable.

NO.81 Which two settings must be defined in order to update a record of a junction object? Choose 2 answers

Read access on the primary relationship

Read/Write access on the secondary relationship

Read/Write access on the primary relationship

Read/Write access on the junction object

NO.82 A sales manager wants to make sure that whenever an opportunity stage is changed to ‘Closed Won’, a new case will be of created for the support team to collect necessary information from the customer. How should a developer accomplish this?

Create a Process Builder to create the new case.

Set up a validation rule on the Opportunity Stage.

Create a lookup field to the Case object on the opportunity object.

Create a workflow rule to create the new case.

NO.83 When is an Apex Trigger required instead of a Process Builder Process?

When a record needs to be created

When multiple records related to the triggering record need to be updated

When a post to Chatter needs to be created

When an action needs to be taken on a delete or undelete, or before a DML operation is executed.

NO.84 To which primitive data type in Apex is a currency field atomically assigned?

Integer

Decimal

Double

Currency

NO.85 Which user can edit a record after it has been locked for approval? (Choose 2)

Any user with a higher role in the hierarchy

A user who is assigned as the current approver

Any user who approved the record previously

An administrator

NO.86 What is a characteristic of the Lightning Component Framework? Choose 2 answers:

It has an event-driven architecture.

It works with existing Visualforce pages.

It includes responsive components.

It uses XML as its data format.

NO.87 Which standard field needs to be populated when a developer inserts new Contact records programmatically?

Accountld

Name

LastName

FirstName

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