Question 1

A developer is building a custom component in Lightning web components (LWC) that has a grandchild component that needs to pass information to the grandparent component. What is the correct way to demonstrate the passing of a message from the grandchild component to the grandparent component?

Options :

A :

B :

C :

D :

Answer: B

Question 2

Which of these is a key pattern leveraged when building Lightning Web Components? 39m 36s

Options :

A : Composition

B : Inventory

C : Juggling

D : Normalization

Answer: A

Question 3

What are two purposes of the Shadow DOM in a Lightning web component?

Options :

A : It encapsulates the internal document object model (DOM) structure of a web component

B : It allow components to be shared while protecting them from being manipulated by arbitrary code

C : It allows direct access to the document object model of the component

D : It allows older JavaScript libraries to manipulate the tagging structure

Answer: A,B

Question 4

A developer is working on an existing checkout implementation built against the Lightning Web Runtime (LWR) and wants to implement a custom child checkout component to modify out-of-the-box functionality. Which interface must the developer implement for the child component?

Options :

A : CheckoutSavable

B : Checkoutoutinterface

C : CustomCheckout

D : CheckoutStep

Answer: D

Question 5

In which three ways should useful debugging information in Salesforce B2BCommerce implementation be garnered? (3 answers) A) Enabling the logging token via

Options :

A : Admin andsubsequently inspecting the logs via the browser console.

B : Logging a case with Salesforce support to enable advanced debugging options.

C : Enabling debugging options for the current user and visually inspecting the Salesforce debug logs.

D : Placing a System.debug() statement anywhere in the class being debugged.

E : Logging into the community as a system administrator to identify any potential permissions or Visualforce exceptions.

Answer: A,C,E