[Mar 27, 2024] TVB-450 Dumps PDF and Test Engine Exam Questions - TestkingPass
Verified TVB-450 exam dumps Q&As with Correct 151 Questions and Answers
NEW QUESTION # 63
An org has two custom objects:
* Plan_c, that has a master-detail relationship to the Account object.
* Plan_item_c, that has a master-detail relationship to the plan_C object.
What should a developer use to create a Visualforce section in the Account page layout that displays all of the plan.. Account and all of the Plan_item_c records related to those plan_c records.
- A. A standard controller with a controller extension
- B. A controller extension with a custom controller
- C. A custom controller by itself
- D. A standard controller with a custom controller
Answer: A
NEW QUESTION # 64
A developer uses a loop to check each Contact in a list. When a Contact with the Title of
"Boss" is found, the Apex method should jump to the first line of code outside of the for loop.
Which Apex solution will let the developer implement this requirement?
- A. Next
- B. Continue
- C. Exit
- D. break;
Answer: D
NEW QUESTION # 65
A team of many developers work in their own individual orgs that have the same configuration at the production org. Which type of org is best suited for this scenario?
- A. Developer Edition
- B. Developer Sandbox
- C. Partner Developer Edition
- D. Full Sandbox
Answer: D
NEW QUESTION # 66
A developer created a trigger on the Account object and wants to test if the trigger is properly bulklfield. The developer team decided that the trigger should be tested with 200 account records with unique names.
What two things should be done to create the test data within the unit test with the least amount of code? Choose 2 answers A developer created a trigger on the Account object and wants to test if the trigger is properly bulklfield. The developer team decided that the trigger should be tested with 200 account records with unique names.
What two things should be done to create the test data within the unit test with the least amount of code?
Choose 2 answers
- A. Create a static resource containing test data.
- B. Use the @isTest(isParallel=true) annotation in the test class.
- C. Use Test.loadData to populate data in your test methods.
- D. Use the @isTest(seeAllData=true) annotation in the test class.
Answer: A,C
NEW QUESTION # 67
What are two best practices when it comes to Lightning Web Component events?
- A. Use events configured with bubbles: false and composed:false.
- B. Use CustomEvent to pass data from a child to a parent component.
- C. Use event.target to communicate data to elements that aren't in the same shadow tree.
- D. Use event.detail to communicate data to elements in the same shadow tree
Answer: B,C
NEW QUESTION # 68
Which code statement includes an Apex method named updateaccounts in the Class AccountCont rolles for use in a Lightning web component?
A)
B)
C)
D)
- A. Option A
- B. Option B
- C. Option C
- D. Option D
Answer: D
NEW QUESTION # 69
what are the three languages used in the visualforce page?
- A. Apex, Json, SQL
- B. C++, CSS, query
- C. Javascript, CSS, HTML
Answer: C
NEW QUESTION # 70
A custom object Trainer_c has a lookup field to another custom object Gym___c.
Which SOQL query will get the record for the Viridian City gym and it's trainers?
- A. SELECT ID FROM Trainer_c WHERE Gym__r.Name - Viridian City Gym'
- B. SELECT Id, (SELECT Id FROM Trainer_c) FROM Gym_c WHERE Name - Viridian City Gym'
- C. SELECT Id, (SELECT Id FROM Trainers) FROM Gym_C WHERE Name . Viridian City Gym'
- D. SELECT Id, (SELECT Id FROM Trainers) FROM Gym_C WHERE Name - Viridian City Gym'
Answer: C
NEW QUESTION # 71
A developer is migrating a Visualforce page into a Lightning web component.
The Visualforce page shows information about a single record. The developer decides to use Lightning Data Service to access record data.
Which security consideration should the developer be aware of?
- A. The with sharing keyword must be used to enforce sharing rules.
- B. Lightning Data Service handles sharing rules and field-level security.
- C. Lightning Data Service ignores field-level security.
- D. The isAccessible ( ) method must be used for field-level access checks
Answer: B
NEW QUESTION # 72
What should a developer use to fix a Lightning web component bug in a sandbox?
- A. Execute Anonumous
- B. VS Code
- C. Developer Console
- D. Force.com IDE
Answer: B
NEW QUESTION # 73
An Apex method, getAccounts, that returns a List of Accounts given a searchTerm, is available for Lightning Web components to use.
What is the correct definition of a Lightning Web component property that uses the getAccounts method?
- A. Option B
- B. Option A
- C. Option D
- D. Option C
Answer: B
NEW QUESTION # 74
developer created this Apex trigger that calls MyClass .myStaticMethod:
trigger myTrigger on Contact(before insert) ( MyClass.myStaticMethod(trigger.new, trigger.oldMap); } The developer creates a test class with a test method that calls MyClass.mystaticMethod, resulting in 81% overall code coverage. What happens when the developer tries to deploy the trigger and two classes to production, assuming no other code exist?
- A. The deployment fails because the Apex trigger has no code coverage.
- B. The deployment passes because the Apex code has required (>75%) code coverage.
- C. The deployment fails because no assertions were made in the test method.
- D. The deployment passes because both classes and the trigger were included in the deployment.
Answer: A
NEW QUESTION # 75
A lead developer creates an Apex interface called "Laptop". Consider the following code snippet:
How can a developer use the Laptop Interface within the Silvertaptop class?
- A. public class Silverlaptop implements Laptop
- B. @Extends(class=Laptop'')
public class SilverLaptop - C. public calss SilverLaptop extends Laptop
- D. @Interface (class=''Laptop'')
public class SilverLaptop
Answer: C
NEW QUESTION # 76
Assuming that 'name; is a String obtained by an <apex:inputText> tag on a Visualforce page. Which two SOQL queries performed are safe from SOQL injections? Choose 2 answers
- A. String query = 'SELECT Id FROM Account WHERE Name LIKE \''%' + name + '%\''; List<Account> results = Database.query(query);
- B. String query = 'SELECT Id FROM Account WHERE Name LIKE \''%' + name.noQuotes() + '%\''; List<Account> results = Database.query(query);
- C. String query = '%' + name + '%'; List<Account> results = [SELECT Id FROM Account WHERE Name LIKE :query];
- D. String query = 'SELECT Id FROM Account WHERE Name LIKE \''%' + String.escapeSingleQuotes(name) + '%\''; List<Account> results = Database.query(query);
Answer: C,D
NEW QUESTION # 77
Universal Containers wants to back up all of the data and attachments in its Salesforce org once month. Which approach should a developer use to meet this requirement?
- A. Use the Data Loader command line.
- B. Create a Schedulable Apex class.
- C. Schedule a report.
- D. Define a Data Export scheduled job.
Answer: D
NEW QUESTION # 78
Which Lightning code segment should be written to declare dependencies on a Lightning component, c:accountList, that is used in a Visualforce page?
A)
B)
C)
D)
- A. Option B
- B. Option A
- C. Option D
- D. Option C
Answer: B
NEW QUESTION # 79
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Salesforce TVB-450 course comprises Trailhead Virtual Bootcamp, which is a comprehensive training program designed to provide students with practical skills essential for building custom applications on the Salesforce platform. It covers all the topics required for a Platform Developer I certification, including Apex programming, SOQL, data modeling, and security.
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