Computer System Security Week 1 quiz Solution [Cyber Security course on Prutor.ai]

John Rakon September 09, 2020

Here you will get all the assignment and quiz solutions of Computer System Security Course by prutor.ai under the category Cyber Security. Prutor is an online smart tutoring platform which provides various MOOC courses for student and organised by by IIT Kharagpur. At the end of each course student gets a certificate for sucessfull completion of each course but throughout the course students have to pass all the weekly assignments and quizes.

[1] What was the percentage increase in Zero Day Vulnerabilities in the year 2015?

(a) 4%
(b) 50%
(c) 100%
(d) 125%

Answer: (d) 125%

[2] What hacking attacks were mentioned in the lesson?

(a) Hacking in French Election
(b) ATM Hacking in India
(c) Denial of Service attack in Turkish Bank
(d) All of the above

Answer: (d) All of the above

[3] Identify the software whose vulnerability is exploited the most?

(a) Android
(b) Browser
(c) Adobe Flash Player
(d) Microsoft Office

Answer: (b) Browser

[4] The computer vulnerabilities and exploits databases are maintained by _________.

(a) Kaspersky Lab
(b) Symantec Corporation
(c) MITRE Corporation
(d) None of the above

Answer: (c) MITRE Corporation

[5] Which of the following is/are correct with respect to Ransomware?

(a) It is a form of Malware
(b) It encrypts the whole hard drive of the computer, essentially locking the user out of the entire system.
(c) It locks the system’s screen or locks the users’ files unless a ransom is paid.
(d) All of the above

Answer: (d) All of the above

[6] Which of the following is considered legal?

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

Answer: (c) Hacking a company’s security system with permission from the management

[7] What is the cost of launching Denial of Service attack on a website?

(a) $20/hr
(b) $100/day
(c) $300/mont
(d) Both A and B

Answer: (d) Both A and B

[8] Which of the following is not an advantage of studying Cyber Security?

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

Answer: (d) None of the above

[9] Which of the following is correct for silent banker?

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

Answer: (c) Both A and B

[10] Which of the following is not a part of Security System Centric Design?

(a) Policy
(b) Agreement
(c) Mechanisms
(d) Threat Models

Answer: (b) Agreement

[11] Which of the following is not a goal in the security system design?

(a) Vulnerability
(b) Confidentiality
(c) Integrity
(d) Availability

Answer: (a) Vulnerability

[12] Which of the following is most important in design of secure system?

(a) Assessing vulnerability
(b) Changing or Updating System according to vulnerability
(c) Both A and B
(d) None of the above

Answer: (c) Both A and B

[13] Which of the following is correct with respect to Penetration testing?

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

Answer: (b) It is an authorized simulated cyber-attack on a computer system, performed to evaluate the security of the system

[14] Which of the following is to be done to avoid limitations in threat models?

(a) Making more explicit and formalized threat models to understand possible weaknesses
(b) Making simpler and more general threat models
(c) Making less assumptions to design a better threat model
(d) All of the above

Answer: (d) All of the above

In this post solution of 1st-week Computer System Security is given.