1. When including a Visualforce page component in a Lightning Page using Lightning App Builder, which action hides the default label for the Visualforce page?
A. Toggle the Label flag to Off.
B. Deselect the Show Label option.
C. Clear the Description field for the component.
D. Visualforce labels are hidden by default when using Lightning App Builder.
2. A developer needs to make changes to a custom field and associated Apex classes and triggers. How can the developer quickly determine which Apex classes and triggers use the field?
A. Run a report on the custom field.
B. Use the new ApexSettings metadata field.
C. Access the System Overview information from Setup.
D. On the custom field's detail page, click Where is this used?
3. A developer is preparing to install a managed package that will create several new custom objects. What should the developer do to understand how many objects can be created prior to reaching the allowed limit for the org?
A. Run a report to show the number of active custom objects in the org.
B. Select Custom Objects from the dropdown menu in Schema Builder to see the number of custom objects.
C. Look at the number of custom objects and custom settings in the System Overview information.
D. Determine the difference between 2500, the maximum number of custom objects, and the number of custom objects that currently exist in the org.
4. Which ApexSettings metadata field enables serial execution of Apex tests?
5. With the Winter '20 release, which type of callout is now excluded from the concurrent long-running request limit?
B. Apex triggers
C. API Calls to an Apex class
D. Apex code that sends an HTTP request.
UNIT : Get Hands-on Creating Custom Tabs for Lightning Web Components.
NOTE: To Complete this Maintenance Exam, You have to Make Sure You have already completed below Trailhead Modules
Create a Lightning web component and add it as a custom tab in the App Launcher and navigation menu.
If you installed the unmanaged package, myComponent is already configured and ready to add as a custom tab.
Create a new Lightning web component:
Add a lightning-card to myComponent:
Add a lightning-button to the Hello lightning-card (Note: make sure the button lives in the “actions” slot):
Add a footer paragraph to the Hello lightning-card:
Add myComponent as a new custom tab: