1) Which recovery system covers media recovery and failure recovery?
Correct Answer: System recovery
2) Which is an essential part of any backup system?
Correct Answer: Recovery
Explanation:

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3) Why would a hacker use a proxy server?
Correct Answer: To hide malicious activity on the network
4) What is the most important activity in system hacking?
Correct Answer: Crack-up password
Explanation:


Acute Angle: An angle which measures less than 90 Degree is called an acute angle.
Right Angle: An angle which measures exactly 90 Degree is called a right angle.
Obtuse Angle: An angle that measures greater than 90 degree and up to 180 Degree is known as the obtuse angle
Straight Angle:The angle which measures exactly 180 Degree is called a straight angle.
Reflex Angle: The angle which measures greater than 180 Degree and less than 360 Degree is known as the reflex angle.
Full Angle: The angle which measures exactly 360 Degree is called a straight angle.

5) Where WPA2 security is used?
Correct Answer: Wi-fi