1. Right Answer: A
Explanation: The black box is a type of penetration testing in which the pentester is blind testing, or double-blind testing, i.e., provided with no prior knowledge of the system or any information of the target.
2. Right Answer: D
Explanation: The vulnerability is a weak point or a loophole in any system or network that can be exploited by an attacker.
3. Right Answer: A
Explanation: Active and passive methods of reconnaissance are also popular for gaining information of target directly or indirectly. The overall purpose of this phase is to keep interaction with the target to gain information without any detection or alerting.
4. Right Answer: A
Explanation: Footprinting is basically the collection of every possible information regarding the target and targeted network.
5. Right Answer: A
Explanation: Social Engineering in Information Security refers to the technique of psychological manipulation. This trick is used to gather information from directly or indirectly interfering human beings.