Reliable Salesforce Certified Platform Developer TVB-450 Dumps PDF Aug 14, 2022 Recently Updated Questions

Pass Your Salesforce TVB-450 Exam with Correct 295 Questions and Answers

Salesforce TVB-450 Exam Syllabus Topics:

Topic	Details
Topic 1	Visualforce Controllers Save Order of Execution
Topic 2	Development and Deployment Tools Testing, Code Coverage, and Deployment
Topic 3	Declarative Automation and Apex Fundamentals Control Flow Statements
Topic 4	Data Types, Classes, and Methods Declarative Process Automation
Topic 5	Visualforce Pages in Lightning Lightning Web Components Lightning Component Events
Topic 6	Apex Triggers, Visualforce, and Best Practices Exception Handling
Topic 7	Formula and Roll-Up Summary Fields Salesforce Platform Architecture
Topic 8	Interfaces and Inheritance Working with Data in Apex

 

NEW QUESTION 169
Which process automation should be used to send an outbound message without using Apex code?

• A. Workflow Rule
• B. Approval Process
• C. Flow Builder
• D. Process Builder

Answer: A

 

NEW QUESTION 170
Which exception type cannot be caught ?

• A. LimitException
• B. NoAccessException
• C. A custom Exception
• D. CalloutException

Answer: A

 

NEW QUESTION 171
Universal Containers implemented a private sharing model for the Account object. A custom Account search tool was developed with Apex to help sales representatives find accounts that match multiple criteria they specify. Since its release, users of the tool report they can see Accounts they do not own. What should the developer use to enforce sharing permission for the currently logged-in user while using the custom search tool?

• A. Use the with sharing keyword on the class declaration.
• B. Use the schema describe calls to determine if the logged-in users has access to the Account object.
• C. Use the UserInfo Apex class to filter all SOQL queries to returned records owned by the logged-in user.
• D. Use the without sharing keyword on the class declaration.

Answer: A

 

NEW QUESTION 172
What should a developer do to check the code coverage of a class after running all tests?

• A. Select and run the class on the Apex Test Execution page
• B. View the Class test Coverage tab on the Apex Class record.
• C. View the Code Coverage column in the view on the Apex Classes page.
• D. view the overall Code Coverage panel of the tab in the Developer Console.

Answer: B

 

NEW QUESTION 173
A developer wants to mark each Account in a List<Account> as either or Inactive based on the LastModified field value being more than 90 days.
Which Apex technique should the developer use?

• A. An If/else statement, with a for loop inside
• B. A for loop, with a switch statement inside
• C. A for loop, with an if/else statement inside
• D. A Switch statement, with a for loop inside

Answer: C

 

NEW QUESTION 174
What can be used to override the Account's standard Edit button for Lightning Experience7

• A. Lightning action
• B. Lightning component
• C. Lightning page
• D. Lightning flow

Answer: B

 

NEW QUESTION 175
A developer needs to create a baseline set of data (Accounts, Contacts, Products, Assets) for an entire suite of test allowing them to test independent requirements various types of Salesforce Cases.
Which approach can efficiently generate the required data for each unit test?

• A. Add @isTest(seeAllData=true) at the start of the unit test class.
• B. Use @TestSetup with a viod method.
• C. Create test data before Test.startTest() in the unit test.
• D. Create a nock using the Stud API

Answer: B

 

NEW QUESTION 176
A developer Is Integrating with a legacy on-premise SQL database.
What should the developer use to ensure the data being Integrated is matched to the right records in Salesforce?

• A. Lookup field
• B. External ID field
• C. External Object
• D. Formula field

Answer: B

 

NEW QUESTION 177
Refer to the following code snippet for an environment has more than 200 Accounts belonging to the Technology' industry:

When the code execution, which two events occur as a result of the Apex transaction?
When the code executes, which two events occur as a result of the Apex transaction?
Choose 2 answers

• A. The Apex transaction fails with the following message. "SObject row was retrieved via SOQL without querying the requested field Account.Is.Tech__c''.
• B. If executed in an asynchronous context, the apex transaction is likely to fall by exceeding the DML governor limit
• C. If executed In a synchronous context, the apex transaction is likely to fall by exceeding the DHL governor limit.
• D. The Apex transaction succeeds regardless of any uncaught exception and all processed accounts are updated.

Answer: A

 

NEW QUESTION 178
code below deserializes input into a list of Accounts.

Which code modification should be made to insert the Accounts so that field-level security is respected?

• A. 01: Public with sharing class AcctCreator
• B. 05: If (SobjectType.Account, isCreatable())
• C. 05: Accts = database.stripinaccesible (accts, Database. CREATEABLE);
• D. 05: SobjectAcessDecision sd= Security,stripINaccessible(AccessType,CREATABLE,

Answer: A

 

NEW QUESTION 179
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. Controller extension
• B. RecordSetVar page attribute
• C. <apex:listButton> tag
• D. Custom controller

Answer: B

 

NEW QUESTION 180
Universal Containers (UC) uses a custom object called Vendor. The Vendor custom object has a Master-Detail relationship with the standard Account object. Based on some internal discussion, the UC administrator tried to change the Master-Detail relationship to a Lookup relationship but was not able to do so. What is a possible reason that this change was not permitted?

• A. The Vendor records have existing values in the Account object.
• B. The Account object is included on a workflow on the Vendor object.
• C. The Account records contain Vendor roll-up summary fields.
• D. The Vendor object must use a Master-Detail field for reporting.

Answer: C

 

NEW QUESTION 181
A developer wrote Apex code that calls out to an external system. How should a developer write the test to provide test coverage?

• A. Write a class that implements the HTTPCalloutMock interface.
• B. Write a class that extends WebserviceMock
• C. Write a class that implements the WebserviceMock interface.
• D. Write a class that extends HTTPCalloutMock.

Answer: A

 

NEW QUESTION 182
What is the value of the Trigger.old context variable in a Before Insert trigger?

• A. A list of newly created sObjects without IDS
• B. null
• C. Undefined
• D. An empty list of sObjects

Answer: B

 

NEW QUESTION 183
A developer needs to prevent the creation of Request_c records when certain conditions exist in the system. A RequestLogic class exists to checks the conditions. What is the correct implementation?

• A. Trigger RequestTrigger on Request (after insert) {
  if (RequestLogic.isValid{Request})
  Request.addError {'Your request cannot be created at this time.'};
  }
• B. Trigger RequestTrigger on Request (before insert) {
  if (RequestLogic.isvalid{Request})
  Request.addError {'Your request cannot be created at this time.'};
  }
• C. Trigger RequestTrigger on Request (after insert) {
  RequestLogic.validateRecords {trigger.new};
  }
• D. Trigger RequestTrigger on Request (before insert) {
  RequestLogic.validateRecords {trigger.new};
  }

Answer: D

 

NEW QUESTION 184
What are three capabilities of the <ltng : require> tag when loading JavaScript resources in Aura components?
Choose 3 answers

• A. Loading externally hosted scripts
• B. Specifying loading order
• C. Loading scripts In parallel
• D. One-time loading for duplicate scripts
• E. Loading files from Documents

Answer: B,C,D

 

NEW QUESTION 185
Application Events follow the traditional publish-subscribe model. Which method is used to fire an event?

• A. FireEvent()
• B. Fire()
• C. RegisterEvent()
• D. Emit()

Answer: B

 

NEW QUESTION 186
what are the three languages used in the visualforce page?

• A. Apex, Json, SQL
• B. Javascript, CSS, HTML
• C. C++, CSS, query

Answer: B

 

NEW QUESTION 187
When a user edits the Postal Code on an Account, a custom Account text field named "Timezone" must be update based on the values in a PostalCodeToTimezone__c custom object. How should a developer implement this feature?

• A. Build an Account Assignment Rule.
• B. Build an Account custom Trigger.
• C. Build an Account Workflow Rule.
• D. Build an account Approval Process

Answer: B

 

NEW QUESTION 188
A develop created these three roll-up summary fields on the custom object. Project_c:

The developer is asked to create a new field that should the ratio between rejected and approved timesheet for a given project.
What are two benefits of choosing a formula held instead of an Apex trigger to fulfill the request? Choose 2 answers

• A. A formula field will calculate the retroactively for existing records
• B. A formula field will trigger existing automation when deployed.
• C. Using a formula field reduces maintenance overhead.
• D. A test class will validate the formula field during deployment.

Answer: A,B

 

NEW QUESTION 189
A developer Edition org has five existing accounts. A developer wants to add 10 more accounts for ...
The following code is executed in the Developer Console using the Executor Anonymous window:

How many total accounts will be in the org after this code is executed?

• A. 0
• B. 1
• C. 2
• D. 3

Answer: B

 

NEW QUESTION 190
A developer created a child Lightning web component nested inside a parent Lightning web component, parent component needs to pass a string value to the child component.
In which two ways can this be accomplished?
Choose 2 answers

• A. The parent component can invoke a method in the child component
• B. The parent component can use a custom event to pass the data to the child component,
• C. The parent component can use a public property to pass the data to the child component.
• D. The parent component can use the Apex controller class to send data to the child component.

Answer: B,C

 

NEW QUESTION 191
A development team wants to use a deployment script lo automatically deploy lo 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. Ant Migration Tool
• B. Change Sets
• C. Developer Console
• D. SFDX CLI

Answer: A,D

 

NEW QUESTION 192
......

Latest 2022 Realistic Verified TVB-450 Dumps: https://www.testsimulate.com/TVB-450-study-materials.html