Download DEX-450 Dumps (2022) - Free PDF Exam Demo [Q17-Q41]

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Download DEX-450 Dumps (2022) – Free PDF Exam Demo

Enhance your career with DEX-450 PDF Dumps – True Salesforce Exam Questions

Q17. Which two examples above use the system. debug statements to correctly display the results from the SOQL aggregate queries? Choose 2 answers

Example 1

Example 2

Example 3

Example 4

Q18. A Visual Flow uses an apex Action to provide additional information about multiple Contacts, stored in a custom class, contactInfo. Which is the correct definition of the Apex method that gets additional information?

@InvocableMethod(label=’Additional Info’)
public List<ContactInfo> getInfo(List<Id> contactIds)
{ /*implementation*/ }

@InvocableMethod(label=’additional Info’)
public static ContactInfo getInfo(Id contactId)
{ /*implementation*/ }

@invocableMethod(label)=’Additional Info’)
public static List<ContactInfo> getInfo(List<Id> contactIds)
{ /*Implementation*/ }

@InvocableMethod(Label=’additional Info’)
public ContactInfo(Id contactId)
{ /*implementation*/ }

Q19. Which two statements true about Getter and Setter methods as they relate to Visualforce? Choose 2 answers

Getter methods can pass a value from a controller to a page.

There is no guarantee for the order in which Getter or Setter methods are executed.

Setter methods always have to be declared global.

Setter methods can pass a value from a controller to a page.

Q20. A developer executes the following query in Apex to retrieve a list of contacts for each account:
List<account> accounts = [Select ID, Name, (Select ID, Name from Contacts) from Account] ; Which two exceptions may occur when it executes? (Choose two.)

CPU limit exception due to the complexity of the query.

SOQL query row limit exception due to the number of contacts.

SOQL query limit exception due to the number of contacts.

SOQL query row limit exception due to the number of accounts.

Q21. Which approach should a developer take to automatically add a “Maintenance Plan” to each Opportunity that includes an “Annual Subscription” when an opportunity is closed?

Build a OpportunityLineItem trigger that adds a PriceBookEntry record.

Build an OpportunityLineItem trigger to add an OpportunityLineItem record.

Build an Opportunity trigger that adds a PriceBookEntry record.

Build an Opportunity trigger that adds an OpportunityLineItem record.

Q22. For which example task should a developer use a trigger rather than a workflow rule?

To set the primary Contact on an Account record when it is saved

To send an email to hiring manager when a candidate accepts a job offer.

To set the Name field of an expense report record to Expense and the Date when it is saved.

To notify an external system that a record has been modified.

Q23. What is a benefit of using a trigger framework?

Simplifies addition of context-specific logic

Increases trigger governor limits

Allows functional code to be tested b

Reduces trigger execution time

Q24. Which resource can be included in a Lightning Component bundle?Choose 2 answers

Apex class

Adobe Flash

JavaScript

Documentation

Q25. Which two statement are acceptable for a developer to use Inside procedural loops?

Contactlist.remove(i)

Delete contactList

Account a=[select id,name from account where id=:con.accountid limit 1]

Contact con =new contact()

Q26. Universal Containers requires Service Representatives to update all Cases at least one every three days. To make sure of this policy is obeyed, a developer has been asked to implement a field that displays the number of days since the last Case update. What should the developer use to configure the solution?

Formula field

Workflow rule

流程生成器

Scheduled Apex Class

Q27. A developer wants to retrieve the Contacts and Users with the email address ‘[email protected]’.
Which SOSL statement should the developer use?

FIND {[email protected]} IN Email Fields RETURNING Contact (Email), User (Email)

FIND {Email = ‘[email protected]’} IN Contact, User

FIND {Email = ‘[email protected]’} RETURNING Contact (Email), User (Email)

FIND Email IN Contact, User FOR {dev2uc.com}

Q28. Given the code below, what can be done so that recordcount can be accessed by a test class, but not by a non-test class? Public class mycontroller{ private integer recordcount; }

Add a seealldata annotation to the test class

Add the testvisible annotation to recordcount

Change recordcount from private to public

Add the testvisible annotation to the mycontroller class

Q29. 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

Q30. When a Task is created for a Contact, how can a developer prevent the task from being included on the Activity Timeline of the Contact’s Account record?

In Activity Settings, uncheck Roll up activities to a contact’s primary account.

By default, tasks do not display on the Account Activity Timiline.

Use Process Builder to create a process to set the Task Account field to blank.

Create a Task trigger to set the Account field to NULL

Q31. A third-party vendor created an unmanaged Lightning web component. The Salesforce Administrator wishes to expose the component only on Record Page Layouts.
Which two actions should the developer take to accomplish this business objective?
选择 2 个答案

Specify lightningCommunity_Page as a target in the XML file.

Ensure isExposed is set to true on the XML file.

Specify lightningCommunity_Page_Layout as a target in the XML file.

Specify lightning_RecordPage as a target in the XML file.

Q32. A developer needs to know if all tests currently pass in a Salesforce environment. Which feature can the developer use? (Choose 2)

ANT Migration Tool

Workbench Metadata Retrieval

Salesforce UI Apex Test Execution

Developer Console

Q33. A developer has JavaScript code that needs to be called by controller functions in multiple Aura components by extending a new abstract component.
Which resource in the abstract Aura component bundle allows the developer to achieve this?

helper.js

controllers

superRender.js

renderer.js

Q34. Which type of code represents the Model in the MVC architecture when using Apex and Visualforce pages?

A Controller Extension method that saves a list of Account records

Custom JavaScript that processes a list of Account records

A list of Account records returned from a Controller Extension method

A Controller Extension method that uses SOQL to query for a list of Account records

Q35. Which process automation should be used to post a message to Chatter without using Apex code?

Outbound Message

Entitlement Process

Strategy Builder

Flow Builder

Q36. A developer needs to create a baseline set of data (Accounts, Contacts, Products, Assets) for an entire suite of tests allowing them to test independent requirements various types of Salesforce Cases. Which approach can efficiently generate the required data for each unit test?

Add @IsTest(seeAllData=true) at the start of the unit test class

Create test data before test.startTest() in the test unit.

Use @TestSetup with a void method

Create a mock using Stub API

Q37. A developer is creating a Lightning web component to show a list of sales records.
The Sales Representative user should be able to see the commission-field on each record. The Sales Assistance user should be able to see all field on the record except the commission field.
How should this be enforced so that the component works for both users without showing any errors?

Use Lightning Data Service to get the collection of sales records.

Use Lightning Locker Service to enforce sharing rules and field-level security.

Use with SECURITY_EMFoRCED in the SOQL that fetches the data for the component.

Use security. stripInaccessible to remove fields inaccessible to the current user.

Q38. Which two number expressions evaluate correctly? (Choose two.)

Double d = 3.14159;

Integer I = 3.14159;

Decimal d = 3.14159;

Long l = 3.14159;

Q39. In a single record, a user selects multiple values from a multi-select picklist.
How are the selected values represented in Apex?

As a List<String> with each value as an element in the list

As a String with each value separated by a comma