2024 The Most Effective TVB-450 with 151 Questions Answers [Q67-Q91]

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2024 The Most Effective TVB-450 with 151 Questions Answers

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Salesforce TVB-450 certification exam is an online test that measures the individual’s knowledge and skills in developing applications on the Salesforce platform. TVB-450 exam consists of multiple-choice questions and scenario-based questions that require the individual to apply their knowledge to real-world scenarios. TVB-450 exam is designed to test the individual’s understanding of the core Salesforce development concepts, including Apex, Visualforce, SOQL, and SOSL.

NEW QUESTION 67
A developer has a single custom controller class that works with a Visualforce Wizard to support creating and editing multiple subjects. The wizard accepts data from user inputs across multiple Visualforce pages and from a parameter on the initial URL.
Which three statements are useful inside the unit test to effectively test the custom controller?
Choose 3 answers

insert pageRef.

Test.setCurrentPage(pageRef);

public ExtendedController(ApexPages StandardController cntrl) { }

ApexPages.CurrentPage().getParameters().put(‘input’, ‘TestValue’);

String nextPage – controller.save().getUrl();

NEW QUESTION 68
Cloud kicks has a multi-screen flow that 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 numbers and dates that are retrieved from an external order management system in real time and displayed on the screen.
What should a developer use to satisfy this requirement?

An Apex controller

An Apex REST class

An outbound message

An invocable method

NEW QUESTION 69
How should a custom user interface be provided when a user edits an Account in Lightning Experience?

Override the Account’s Edit button with Lightning Flow

Override the Account’s Edit button with Lightning Action

Override the Account’s Edit button with Lightning page.

Override the Account’s Edit button with Lightning component.

NEW QUESTION 70
Which three per-transaction limits have higher governor limits in asynchronous Apex transactions?

Maximum CPU time

Maximum heap size

Total SOQL queries

Maximum execution time

Records returned by SOQL

NEW QUESTION 71
A developer needs to have records with specific field values in order to test a new Apex class.
What should the developer do to ensure the data is available to the test?

Use Anonymous Apex to create the required data.

Use SOQL to query the org for the required data.

Use Test.Loaddata () and reference a static resource.

Use Test.Loaddata () and reference a CSV file

NEW QUESTION 72
How should a developer write unit tests for a private method in an Apex class?

Use the SeeAllData annotation.

Add a test method in the Apex class.

Use the TestVisible annotation.

Mark the Apex class as global.

NEW QUESTION 73
A developer migrated functionality from JavaScript Remoting to a Lightning web component and wants to use the existing getOpportunities() method to provide data.
What to do now?

The method must be decorated with (cacheable=true).

The method must be decorated with @AuraEnabled.

The method must return a JSON Object.

The method must return a String of a serialized JSON Array.

NEW QUESTION 74
The following Apex method is part of the ContactService class that is called from a trigger: public static void setBusinessUnitToEMEA(Contact thisContact){ thisContact.Business_Unit__c = “EMEA” ; update thisContact; } How should the developer modify the code to ensure best practice are met?

Public static void setBusinessUnitToEMEA(List<Contact> contacts){
for(Contact thisContact : contacts){
thisContact.Business_Unit__c = ‘EMEA’ ;
update contacts[0];
}
}

Public static void setBusinessUnitToEMEA(List<Contact> contacts){
for(Contact thisContact : contacts) {
thisContact.Business_Unit__c = ‘EMEA’ ;
}
update contacts;
}

Public static void setBusinessUnitToEMEA(Contact thisContact){
List<Contact> contacts = new List<Contact>();
contacts.add(thisContact.Business_Unit__c = ‘EMEA’);
update contacts;
}

Public void setBusinessUnitToEMEA(List<Contact> contatcs){
contacts[0].Business_Unit__c = ‘EMEA’ ;
update contacts[0];
}

NEW QUESTION 75
A Salesforce Administrator is creating a record-triggered flow. When certain criteria are met, the flow must call an Apex method to execute complex validation involving several types of objects.
When creating the Apex method, which annotation should a developer use to ensure the method Can be used within the flow?

@future

@RemoteAction

@InvocableMethod

@AuraEnaled

NEW QUESTION 76
Which two statements accurately represent the MVC framework implementation in Salesforce? Choose 2 answers

Validation rules enforce business rules and represent the Controller (C) part of the MVC framework

Lightning component HTML files represent the Model (M) part of the MVC framework.

Triggers that create records represent the Model (M) part of the MVC framework.

Standard and Custom objects used in the app schema represent the View (V) part of the MVC framework

NEW QUESTION 77
A developer needs to confirm that an Account trigger is working correctly without changing the organization’s dat a. What would the developer do to test the Account trigger?

Use the Test menu on the developer Console to run all test classes for the account trigger.

Use the New button on the Salesforce Accounts Tab to create a new Account record.

Use the Open Execute Anonymous feature on the Developer Console to run an ‘insert Account’ DML statement.

Use Deply from the Force.com IDE to deploy an ‘insert Account’ Apex class.

NEW QUESTION 78
An org tracks customer orders on an Order object and the items of an Order on the Line Item object. The Line Item object has a MasterDetail relationship to the order object. A developer has a requirement to calculate the order amount on an Order and the line amount on each Line item based on quantity and price.
What is the correct implementation?

Implement the line amount as a numeric formula field and the order amount as a roll-up summary field.

Write a single before trigger on the Line Item that calculates the item amount and updates the order amount on the Order.

Implement the Line amount as a currency field and the order amount as a SUM formula field.

Write a process on the Line item that calculates the item amount and order amount and updates the filed on the Line Item and the order.

NEW QUESTION 79
A developer is asked to create a Visualforce page that displays some Account fields as well as fields configured on the page layout for related Contacts.
How should the developer implement this request?

Use the <apex:relatedList> tag.

Create a controller extension.

Use the <apex:include> tag.

Add a method to the standard controller.

NEW QUESTION 80
A developer needs to allow users to complete a form on an Account record that will create a record for a custom object. The form needs to display different fields depending on the user’s job role. The functionality should only be available to a small group of users.
Which three things should the developer do to satisfy these requirements?
Choose 3 answers

Add a dynamic action to the Account record page.

Create a custom permission for the users.

Create a Lightning web component.

Add a dynamic action to the user’s assigned page layouts.

Create a dynamic form.

NEW QUESTION 81
Which two are best practices when it comes to component and application event handling? (Choose two.)

Reuse the event logic in a component bundle, by putting the logic in the helper.

Use component events to communicate actions that should be handled at the application level.

Handle low-level events in the event handler and re-fire them as higher-level events.

Try to use application events as opposed to component events.

NEW QUESTION 82
What are two use cases for executing Anonymous Apex code? Choose 2 answers

To delete 15,000 inactive Accounts In a single transaction after a deployment

To schedule an Apex class to run periodically

To run a batch Apex class to update all Contacts

To add unit test code coverage to an org

NEW QUESTION 83
A developer has a requirement to create an Order When an Opportunity reaches a “Closed-Won” status.
Which tool should be used to implement this requirement?

Process Builder

Lightning Component

Lightning

Apex trigger

NEW QUESTION 84
Which exception type cannot be caught?

Custom Exception

CalloutException

LimitException

NoAccessException

NEW QUESTION 85
Which process automation should be used to post a message to Chatter without using Apex code?

Outbound Message

Entitlement Process

Strategy Builder

Flow Builder

NEW QUESTION 86
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 used to ensure that a user populates the Lead Source field prior to converting a Lead?

Process Builder

Validation Rule

Formula Field

workflow Rule

NEW QUESTION 87
Where are two locations a developer can look to find information about the status of asynchronous or future methods? Choose 2 answers

Apex Flex Queue

Apex Jobs

Paused Flow Interviews component

Time-Based Workflow Monitor

NEW QUESTION 88
Which three resources in an Aura Component can contain Javascript functions? Choose 3 answers

Controller

Helper

Renderer

NEW QUESTION 89
The orderHelper class is a utility class that contains business logic for processing orders. Consider the following code snippet:
A developer needs to create a constant named DELIVERY_MULTIFILTER with a value of 4.15. The value of the constant should not change at any time in the code.
How should the developer declare the DELIVERY_MULTIFILTER constant to meet the business objectives?

Decimal DELIVERY_MULTIFILTER = 4.15;

Static final decimal DELIVERY_MULTIFILTER = 4.15;

Static decimal DELIVERY_MULTIFILTER = 4.15;

Constant decimal DELIVERY_MULTIFILTER = 4.15;

NEW QUESTION 90
What should a developer do to check the code coverage of a class after running all tests?

View the Code Coverage column in the list view on the Apex Classes page.

View the Class Test Percentage tab on the Apex Class fist view m Salesforce Setup.

View Use cede coverage percentage for the class using the Overall Code Coverage panel in the Developer Console Tests tab.

Select and run the class on the Apex Test Execution page in the Developer Console.

NEW QUESTION 91
A developer identifies the following triggers on the Expense_c object:
DeleteExpense,
applyDefaultstoexpense
validateexpenseupdate;
The triggers process before delete, before insert, and before update events respectively.
Which two techniques should the developer implement to ensure trigger best practice are followed?

Unify the before insert and before update triggers and use Process Builder for the delete action.

Maintain all three triggers on the Expense__c object, but move the Apex logic out for the trigger definition.

Create helper classes to execute the appropriate logic when a record is saved.

Unify all three triggers in a single trigger on the Expense__c object that includes all events.

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2024 The Most Effective TVB-450 with 151 Questions Answers [Q67-Q91]

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