- What happens if you don't provide a reason for wanting to access a user's contacts?
a) Nothing
b) An empty alert is shown
c) The app crashes
- What is a reuse-identifier on a table-view cell used for?
a) It helps you identify cells by their name
b) It is useful for accessibility
c) It is used by the table view to optimize performance
- Where does a table view obtain information about the cells it displays from?
a) CellProvider
b) UITableViewDataSource
c) UITableViewDelegate
- How does a table view make sure to keep its memory footprint as small as possible?
a) It loads all cells at once
b) It reuses cells that were displayed before
c) It limits the number of cells it can handle
- What is a placeholder cell called in Interface Builder?
a) Prototype cell
b) Placeholder cell
c) Designer cell
- What is a connection between an item Interface Builder and a variable in code called?
a) @IBConnection
b) @IBInlet
c) @IBOutlet
- Where is the best place to reset a table-view cell?
a) In awakeFromNib()
b) In reset()
c) In prepareForReuse()