Optional parentheses in expressions are said to be

The Distributed File System (DFS) feature enables file sharing among servers runningWindows and UNIX. Added in WindowsServer 2012 R2 is an NFS module for WindowsPowerShell with several new cmd lets specific to NFS

Indicate whether the statement is true or false

On Format, On Print, and On Retreat are all report ____________________ events.

Fill in the blank(s) with the appropriate word(s).