A developer needs to provide a way to mass edit, update, and delete records from a list view.
In which two ways can this be accomplished? (Choose two.)

A developer wants to override a button using Visualforce on an object.
What is the requirement?

How should a developer avoid hitting the governor limits in test methods?

A platform developer at Universal Containers needs to create a custom button for the Account object that, when clicked, will perform a series of calculations and redirect the user to a custom Visualforce page.
Which three attributes need to be defined with values in the <apex:page> tag to accomplish this? (Choose three.)

In terms of the MVC paradigm, what are two advantages of implementing the layer of a Salesforce application using Aura Component-based development over Visualforce? Choose 2 answers