Free Salesforce TVB-450 Exam Questions

Become Salesforce Certified with updated TVB-450 exam questions and correct answers

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Total 387 Questions | Updated On: Dec 26, 2024

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Question 1

A developer created a trigger on a custom object. This custom object also has some dependent pick lists.

According to the order of execution rules, which step happens first?

A : System validation is run for maximum field lengths.

B : The original record is loaded from the database.

C : Old values are overwritten with the new record values,

D : JavaScript validation is run In the browser.

Answer: D

Question 2

A developer wrote an Apex method to update a list of Contacts and wants to make it available for use by Lightning web components.

Which annotation should the developer add to the Apex method to achieve this?

A :

B :

C :

D :

Answer: B

Question 3

A developer has two custom controller extensions where each has a save() method.

Which save() method will be called for the following Visualforce page?

< apex:page standardController =''Account'', extensions=''ExtensionA, ExtensionB'' >

< apex:commandButton action =''{!save}'' value=''Save''/ >

< /apex:page >

A : ntime error will be generated

B : andard controller save()

C : tensionB save()

D : tensionA save()

Answer: A

Question 4

A developer is creating an app that contains multiple Lightning web components.

One of the child components is used for navigation purposes. When a user click a button called.. component, the parent component must be alerted so it can navigate to the next page.

How should this be accomplished?

A : re a notification.

B : date a property on the parent.

C : ll a method in the Apex controller.

D : eate a custom event.

Answer: D

Question 5

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 : controller extension with a custom controller

B : tandard controller with a custom controller

C : tandard controller with a controller extension

D : custom controller by itself

Answer: C

Page: 1 / 78

Total 387 Questions | Updated On: Dec 26, 2024

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