computer system security week 1 Quiz Answer AKTU | 2021

Computer System Security Week 1 Quiz Answer AKTU | 2021

Question 1)  What was the percentage increase in Zero Day Vulnerabilities in the year 2015 ?

• 4%
• 50%
• 100%
• 125%

Question 2)  Identify the software whose vulnerability is exploited the most ?

• Android
• Browser 
• Adobe Flash Player
• Microsoft Office

Question 3) The computer vulnerabilities and exploits databases are maintained by _________.

• Kaspersky Lab
• Symantec Corporation
• MITRE Corporation
• None of the above

Question 4) Which of the following is/are correct with respect to Ransomware ?

• It is a form of Malware
• It encrypts the whole hard drive of the computer, essentially locking the user out of the entire system.
• It locks the system's screen or locks the users' files unless a ransom is paid.
• All of the above.

Question 5) What hacking attacks were mentioned in the lesson ?

• Hacking in French Election
• ATM Hacking in India
• Denial of Service attack in Turkish Bank
• All of the above

Question 6) Which of the following is not an advantage of studying Cyber Security ?

• It gives you the ability to hack a computer system
• It allows you to know the ways through which cyberspace can be breached
• Both A and B
• None of the above

Question 7)  Which of the following is considered legal ?

• Hacking a social media account and sending a private message
• Hacking a bank account and siphoning funds
• Hacking a company’s security system with permission from the management
• All of the above

Question 8) What is the cost of launching Denial of Service attack on a website ?

• $20/hr
• $100/day
• $300/mont
• Both A and B

Question 9)  Which of the following is correct for silent banker ?

• It is a trojan horse
• It records keystrokes, captures screens and steals confidential banking credentials and sends them to a remote attacker
• Both A and B
• None of the above

Question 10) Which of the following is not a part of Security System Centric Design ?

• Policy
• Agreement
• Mechanisms
• Threat Models

Question 11) Which of the following is not a goal in the security system design ?

• Vulnerability.
• Confidentiality
• Integrity
• Availability

Question 12) Which of the following is most important in design of secure system ?

• Assessing vulnerability
• Changing or Updating System according to vulnerability
• Both A and B.
• None of the above

Question 13)  Which of the following is correct with respect to Penetration testing ?

• It is an internal inspection of Applications and Operating systems for security flaws.
• It is an authorized simulated cyber-attack on a computer system, performed to evaluate the security of the system.
• It is hacking a security system of an organization.
• All of the above

Question 14) Which of the following is to be done to avoid limitations in threat models ?

• Making more explicit and formalized threat models to understand possible weaknesses
• Making simpler and more general threat models
• Making less assumptions to design a better threat model
• All of the above.