Programmer for Noobs
CSS Quiz 1 Answers
Q1. What was the percentage increase in Zero Day Vulnerabilities in the year 2015?
1.4%
2.50%
3.100%
4.125%
Reason: As per the lectures and statics of year 2015 there were a increase of 125% from the previous year.
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Q2. Identify the software whose vulnerability is exploited the most?
1.Android
2.Browser
3.Adobe Flash Player
4.Microsoft Office
Reason: Android is the most vulnerable operating system because it is very to be exploit and create malware in the system.
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Programmer for Noobs
Q3. The computer vulnerabilities and exploits databases are maintained by _________.
1.Kaspersky Lab
2.Symantec Corporation
3.MITRE Corporation
4.None of the above
Reason: Kaspersky lab is responsible for maintaining any type of vulnerability and exploit in a computer system.
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Q4. Which of the following is/are correct with respect to Ransomware?
1.It is a form of Malware
2. It encrypts the whole hard drive of the computer, essentially locking the user out of the entire system.
3.It locks the system's screen or locks the users' files unless a ransom is paid.
4.All of the above
Reason: Ransomware is a type of malware which enters to our computer system and encrypts the whole hard disk as well as all the user access and doesn’t unlock until the user pays some ransom in return of unlocking and decrypting the system.
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Q5. What hacking attacks were mentioned in the lesson?
1.Hacking in French Election
2.ATM Hacking in India
3.Denial of Service attack in Turkish Bank
4.All of the above
Reason: All the above attacks were mentioned in the lessons.
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Q6. Which of the following is not an advantage of studying Cyber Security?
1.It gives you the ability to hack a computer system
2.It allows you to know the ways through which cyberspace can be breached
3.Both A and B
4.None of the above
Reason: None of the option I correct because studying cyber security gives us brief idea that how can we prevent from the attacks and helps the society to prevents from the hazardous attack.
Programmer for Noobs
Programmer for Noobs
Q7. Which of the following is considered legal?
1.Hacking a social media account and sending a private message
2.Hacking a bank account and siphoning funds
3.Hacking a company’s security system with permission from the management
4.All of the above
Reason: If we take permission from the management to perform the specific attack then it is legal to perform as now we are not harming any organization or there data and the attack is performed under the provision of the company or organization.
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Q8. What is the cost of launching Denial of Service attack on a website?
1.$20/hr
2.$100/day
3.$300/mont
4.Both A and B
Reason: The cost of launching Denial of service attack on a website can have cost of 20$/hr or 100$/day
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Q9. Which of the following is correct for silent banker?
1.It is a trojan horse
2.It records keystrokes, captures screens and steals confidential banking credentials and sends them to a remote attacker
3.Both A and B
4.None of the above
Reason: A trojan horse because it captures our screen and steal confidential information and credentials as well our keystrokes and send them to remote attacker.
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Q10. Which of the following is not a part of Security System Centric Design?
1.Policy
2.Agreement
3.Mechanisms
4.Threat Models
Reason: Agreement is not a part of security system centric design.
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Q11. Which of the following is not a goal in the security system design?
1.Vulnerability
2.Confidentiality
3.Integrity
4.Availability
Reason: Vulnerability kill our system security, confidentiality and integrity so that why it is not a goal in security system design.
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Q12. Which of the following is most important in design of secure system?
1.Assessing vulnerability
2.Changing or Updating System according to vulnerability
3.Both A and B
4.None of the above
Reason: Assessing vulnerability and changing or updating system according to the vulnerability is very important.
Programmer for Noobs
Programmer for Noobs
Q13. Which of the following is correct with respect to Penetration testing?
1.It is an internal inspection of Applications and Operating systems for security flaws.
2.It is an authorized simulated cyber-attack on a computer system, performed to evaluate the security of the system
3.It is hacking a security system of an organization.
4.All of the above
Reason: We need all the above mentioned to perform penetration testing.
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Q14. Which of the following is to be done to avoid limitations in threat models?
1.Making more explicit and formalized threat models to understand possible weaknesses
2.Making simpler and more general threat models
3.Making less assumptions to design a better threat model
4.All of the above
Reason: We should keep all the mentioned points in our mind to avoid limitations in threat model
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