What do you use to view a R71 security Gateway’s status, including CPU use, amount of virtual memory, percent of free hard disk space, version?

What do you use to view a R71 security Gateway’s status, including CPU use, amount of virtual memory, percent of free hard disk space, version?

A.
Only possible via command line tools

B.
SmartView Tracker

C.
SmartView Monitor

D.
SmartUpdate