1) What is called the unauthorized control/acess over the computer system and destroys the data?
Correct Answer: Hacking
Explanation:

Hacking is the unauthorized control or access over the computer system and destroys the data.

2) Which method go through all the files or network elements with an intention to detect something unusual?
Correct Answer: Scanning
Explanation:

Scanning method go through all the files or network elements with an intention to detect something unusual.