CSA Lightning Components 5

Question 1

Which tool would an administrator use to troubleshoot a Lightning component that is not rendering correctly on a page?

Accepted Answer

Lightning Component Debug Mode in Setup

Answer

Lightning Component Debug Mode, enabled in Setup, disables minification of JavaScript so errors are easier to read in the browser console.

Question 2

What is the primary difference between an Aura component and a Lightning Web Component (LWC)?

Accepted Answer

LWC is based on modern web standards; Aura uses a proprietary framework

Answer

LWC is built on modern web standards (HTML, JavaScript, CSS) while Aura uses Salesforce's proprietary component model.

Question 3

When assigning a Lightning Record Page to a specific record type, which step is required after saving the page in App Builder?

Accepted Answer

Activate the page and assign it to the record type and profiles

Answer

After saving, you must activate the Lightning Record Page and configure its assignment by record type and/or profile for it to take effect.

Question 4

Which approach allows a Lightning component to refresh its data after a related record is updated elsewhere on the page?

Accepted Answer

Using the refreshApex function or wire adapter refresh

Answer

refreshApex is the recommended approach to re-invoke a wired Apex method and update component data when underlying records change.

Question 5

What is the function of the 'lightning__RecordAction' target in an LWC metadata file?

Accepted Answer

Makes the component available as a custom quick action on record pages

Answer

The lightning__RecordAction target makes an LWC available as a custom action that can be added to record page action bars or quick action menus.

(CSA) Certified Salesforce Administrator Practice Test