pleasetype the answer in the coumputer(computer writing )

Question 1: Briefly explain the goals of Network Security as addressed in the following diagram (organizational People ( Products Integrity Information Availability Hardware Software Question 2: What is a Zero-day vulnerability? Can this be stopped. Briefly explain the scenario with an example from the Web which happened recently. Question 3: If your goal is to hack a website such as http:certificdhacker.com/list out the various steps of attack and what are the protection measure to be followed from a defensive point of view for cach step (logically and wherever applies). Question 4: a What does zero day vulnerability mean? b. What is a zero-day exploit and why are they dangerous? c. List a few zero day vlnerabilities based on Windows and Linux systems. d. Discuss your points on speed and sophistication of attacks of a specific zero day exploit (examples can be found online) Question S: List a few ways to achieve Obscurity in a networked system