[2023] Use Valid New Free DEX-450 Exam Dumps & Answers [Q58-Q81] : Free Exam Dumps Collection : http://free.examcollectionpass.com

QUESTION 58
Requirements state that a child record be to deleted when its parent is deleted, and a child can be moved to a different parent when necessary. Which type of relationship should be built between the parent and child objects in Schema Builder to support these requirements?

Lookup Relathionship from to child to the parent

Child relationship

Master-Detail relationship

Lookup Relathionship from to parent to the child

QUESTION 59
The Job_Application__c custom object has a field that is a Master-Detail relationship to the Contact object, where the Contact object is the Master. As part of a feature implementation, a developer needs to retrieve a list containing all Contact records where the related Account Industry is ‘Technology’ while also retrieving the contact’s Job_Application__c records.
Based on the object’s relationships, what is the most efficient statement to retrieve the list of contacts?

[SELECT Id, (SELECT Id FROM Job_Applications_r) FROM Contact WHERE
Account.Industry = ‘Technology’];

[SELECT Id, (SELECT Id FROM Job_Applications_r) FROM Contact WHERE
Accounts.Industry = ‘Technology’];

[SELECT Id, (SELECT Id FROM Job_Applications_c) FROM Contact WHERE
Accounts.Industry = ‘Technology’];

[SELECT Id, (SELECT Id FROM Job_Application_c) FROM Contact WHERE
Account.Industry = ‘Technology’];

QUESTION 60
Cloud kicks has a muli-screen flow its call center agents use when handling inbound service desk calls.
At one of the steps in the flow, the agents should be presented with a list of order number and dates that are retrieved from an external odrer management system in real time and displayed on the screen.
What shuold a developer use to satisfy this requirement?

An invocae method

An apex REST class

An outbound message

An Apex Controller

QUESTION 61
In an organization that has enabled multiple currencies, a developer needs to aggregate the sum of the Estimated_value__c currency field from the CampaignMember object using a roll-up summary field called Total_estimated_value__c on Campaign.

The values in Campaignmember.Estimated_value__c are converted into the currency of the Campaign record and the sum is displayed using the currency on the Campaign record.

The values in CampaignMember.Estimated_value__c are converted into the currency on the majority of the CampaignMember records and the sum is displayed using that currency.

The values in CampaignMember.Estimated_value__c are summed up and the resulting Total_estimated_value__c field is displayed as a numeric field on the Campaign record.

The values In CampaignMember.Estimated_value__c are converted into the currency of the current user, and the sum is displayed using the currency on the Campaign record.

QUESTION 62
Which statement should a developer avoid using inside procedural loops? (Choose 2)

System.debug(‘Amount of CPU time (in ms) used so far: ‘ + Limits.getCpuTime() );

List contacts = [SELECT Id, Salutation, FirstName, LastName, Email FROM Contact WHERE AccountId = :a.Id];

If(o.accountId == a.id)

Update contactList;

QUESTION 63
Which three operations affect the number of times a trigger can fire?
Choose 3 answers

Process Flows

Workflow Rules

Criteria-based Sharing calculations

Email messages

Roll-Up Summary fields

QUESTION 64
A developer has to Identify a method in an Apex class that performs resource intensive actions in memory by iterating over the result set of a SOQL statement on the account. The method also performs a DML statement to save the changes to the database. Which two techniques should the developer implement as a best practice to esure transaction control and avoid exceeding governor limits? Choose 2 answers

Use the Database.Savepoint method to enforce database integrity. (Missed)

Use the System.Limit class to monitor the current CPU governor limit consuption. (Missed)

Use the @ReadOnly annotation to bypass the number of rows returned by a SOQL.

Use Partial DML statements to ensure only valid data is committed.

QUESTION 65
A developer has the following class and trigger code public class insurancerates{ public static final decimal smokercharge = 0.01; } trigger contacttrigger on contact (before insert){ insurancerates rates = new insurancerates(); decimal basecost=xxx; } Which code segment should a developer insert at the xxx to set the basecost variable to the value of the class variable smokercharge?

Rates.smokercharge

Contacttrigger.insurancerates.smokercharge

Insurancerates.smokercharge

Rates.getsmokercharge()

QUESTION 66
Which statement generates a list of Leads and Contacts that have a field with the phrase ‘ACME’?

List <sObject> searchList = (FIND “*ACME*” IN ALL FIELDS RETURNING Contact, Lead);

List<List <sObject>> searchList = (FIND “*ACME*” IN ALL FIELDS RETURNING Contact, Lead);

Map <sObject> searchList = (FIND “*ACME*” IN ALL FIELDS RETURNING Contact, Lead);

List<List < sObject>> searchList = (SELECT Name, ID FROM Contact, Lead WHERE Name like ‘%ACME%’);

QUESTION 67
Which two condition cause workflow rules to fire? Choose 2 answers

Changing territory assignments of accounts and opportunities

Updating record using bulk API

Converting leads to person account

An Apex batch process that changes field values

QUESTION 68
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

QUESTION 69
Universal Containers recently transitioned from Classic to Lighting Experience. One of its business processes requires certain value from the opportunity object to be sent via HTTP REST callout to its external order management system based on a user-initiated action on the opportunity page. Example values are as follow Name Amount Account Which two methods should the developer implement to fulfill the business requirement? (Choose 2 answers)

Create a Lightning component that performs the HTTP REST callout, and use a Lightning Action to expose the component on the Opportunity detail page.

Create a Process Builder on the Opportunity object that executes an Apex immediate action to perform the HTTP REST callout whenever the Opportunity is updated.

Create an after update trigger on the Opportunity object that calls a helper method using @Future(Callout=true) to perform the HTTP REST callout.

Create a Visualforce page that performs the HTTP REST callout, and use a Visualforce quick action to expose the component on the Opportunity detail page.

QUESTION 70
hat are three techniques that a developer can use to invoke an anonymous block of code? Choose 3 answers

Create a visualforce page that uses a controller class that is declared without sharing

Type code into the developer console and execute it directly

Type code into the execute anonymous tab in the force.com IDE and click execute

Use the SOAP API to make a call to execute anonymous code

Create and execute a test method that does not specify a runas() call

QUESTION 71
How many level of child records can be returned in a single SOQL query from one parent object

QUESTION 72
A developer must create a lightning component that allows users to input contact record information to create a contact record, including a salary__c custom field. what should the developer use, along with a lightning-record-edit form, so that salary__c field functions as a currency input and is only viewable and editable by users that have the correct field levelpermissions on salary__C?

<ligthning-input-field field-name=”Salary__c”>
</lightning-input-field>

<lightning-formatted-number value=”Salary__c” format-style=”currency”>
</lightning-formatted-number>

<lightning-input type=”number” value=”Salary__c” formatter=”currency”>
</lightning-input>

<lightning-input-currency value=”Salary__c”>
</lightning-input-currency>

QUESTION 73
A developer needs to write a method that searches for a phone number that could be on multiple object types. Which method should the developer use to accomplish this task?

SOQL Query that includes ALL ROWS

SOQL query on each object

SOSL Query that includes ALL ROWS

SOSL query on each object

QUESTION 74
What are two testing consideration when deploying code from a sandbox to production? Choose 2 answers

75% of test must execute without failure

100% of test must execute without failure

Apex code requires 75% coverage

Apex code requires 100% coverage

QUESTION 75
Which two platform features align to the Controller portion of MVC architecture? (Choose two.)

Process Builder actions

Workflow rules

Standard objects

Date fields

QUESTION 76
What is the requirement for a class to be used as a custom Visualforce controller?

Any top-level Apex class that has a constructor that returns a PageReference

Any top-level Apex class that extends a PageReference

Any top-level Apex class that has a default, no-argument constructor

Any top-level Apex class that implements the controller interface

QUESTION 77
Which three options allow a developer to use custom styling in a Visualforce page? (Choose three.)

<apex:stylesheet> tag

Inline CSS

<apex:style>tag

<apex:stylesheets>tag

A static resource

QUESTION 78
A developer in a Salesforce org with 100 Accounts executes the following code using the Developer console:Account myAccount = new Account(Name = ‘MyAccount’);Insert myAccount;For (Integer x = 0; x < 150; x++)
{Account newAccount = new Account (Name=’MyAccount’ + x);try {Insert newAccount;} catch (Exception ex) {System.debug (ex) ;}}insert new Account (Name=’myAccount’);How many accounts are in the org after this code is run?

101

100

102

252

QUESTION 79
What is the advantage of Salesforce Lightning?

Uses service side for better handling

Option 4

Pre-defined components to give Standard Look and Feel

Option 3

QUESTION 80
What is the value of the Trigger.old context variable in a Before Insert trigger?

A list of newly created sObjects without IDS

Undefined

null

An empty list of sObjects

QUESTION 81
What are the methods used to show input in classic and lightning ?

Use visualforce page in classic and lightning component in lightning