Theft or vandalism through to natural disasters are physical threats. Non-physical threats target the software and data on the computer systems, Like hackers or just straight up viruses. Also, untrustworthy apps or games can give your computer viruses as well.
Answer:
The correct answer for the given question is option(A) i.e File History.
Explanation:
In computer system file history is an backup application which create backup of your data which are stored in your libraries, desktops, contacts, and favorites to another storage location .It creates back up of your data to another location when your personal files has been changed.
The user can check the file history option in computer system
open control panel >>system and security >> file system
Answer:
15.420 dB
Explanation:
the Gain (dB) of a transmission if the Maximum Data Rate is 1 Gbps and the Bandwidth =7000 MHz is 15.420 dB.
