Question 1
(a)
Define Threat, Risk and Vulnerability.
3 Marks
(b)
Write a short note on Network Reconnaissance.
4 Marks
(c)
Explain Injection tools like Tcpdump, Windump and Wireshark.
7 Marks
Gujarat Technological UniversityWinter 2025 Examination
GTU 3150714 Cyber Security Winter 2025 Paper Solution & PDF
B.E. · Computer Engineering · Semester 5 · Subject Code: 3150714
Total Marks70 MarksExternal theory exam
Passing Marks23 Marks33% minimum cutoff
Exam Duration2.5 Hours10:30 AM – 1:00 PM
Paper Structure5 QuestionsWith internal OR choices
Question 2
(a)
Compare packet filter and network firewall.
3 Marks
(b)
Define DataPipe, Fpipe, and Winrelay.
4 Marks
(c)
What is Nmap? Explain any three functionalities of Nmap with commands.
7 Marks
OR OPTION
(c)
What is Netcat? Explain it use with suitable examples.
7 Marks
Question 3
(a)
Explain NAT.
3 Marks
(b)
Explain use of HTC-Hydra and John the Ripper
4 Marks
(c)
Define web vulnerability and how can we overcome it by use of DVWA? Illustrate the example.
7 Marks
OR OPTION
(a)
Explain Port forwarding.
3 Marks
(b)
Define brute force attack. List use of pwdump.
4 Marks
(c)
List five Application Inspection tools, explain tcpdump and windump two in detail.
7 Marks
Question 4
(a)
List the securities to be followed by Mobile Device Users.
3 Marks
(b)
Describe what steganography is and how it is used in cybercrime.
Discuss its implications for digital forensics and investigations
4 Marks
(c)
What is ZAP ? Explain features of zap in detail.
7 Marks
OR OPTION
(a)
Distinguish between security and privacy in cyber security.
3 Marks
(b)
Explain the key differences between computer viruses and worms, and discuss the methods of propagation and potential harm they can cause to computer systems.
4 Marks
(c)
Define purpose of SNORT, give example of SNORT.
7 Marks
Question 5
(a)
Describe what hacking means, and briefly explain how it is a common form of cybercrime.
3 Marks
(b)
Describe what attack vectors are and provide examples of common attack vectors used by cybercriminals.
4 Marks
(c)
Analyze the significant provisions of the Indian IT Act 2000 and their impact on regulating cyber activities and enhancing cybersecurity in India.
7 Marks
OR OPTION
(a)
How key loggers are used by Cyber criminals share your views.
3 Marks
(b)
Explain what DoS and DDoS attacks are, how they are executed, and the potential consequences for targeted systems or websites.
4 Marks
(c)
Highlight the differences and similarities between traditional computer crimes and modern cybercrimes, and discuss the reasons behind the evolution of these crimes
7 Marks
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About this Examination Paper & Attribution
Official Gujarat Technological University (GTU) examination paper and step-by-step solutions for Cyber Security (Winter 2025, B.E. · Computer Engineering, Sem 5). Features complete 70-mark regular & remedial examination pattern, official marking distribution across all 5 questions, and direct 1-click official PDF download.
Transcribed for student exam preparation from Gujarat Technological University official examination archives. Questions, syllabus guidelines, and curriculum marking schemes remain the intellectual property of Gujarat Technological University.