hysical security is concerned with protecting computer hardware from human tampering and natural disasters and __________ security is concerned with protecting software from unauthorised tampering or...

hysical security is concerned with protecting computer hardware from human tampering and natural disasters and __________ security is concerned with protecting software from unauthorised tampering or damage.

1. 
   a)
   data
   


2. 
   b)
   cyber
   


3. 
   c)
   Internet
   


4. 
   d)
   metaphysical