Question 1
(a)
Explain: Packet Filter.
3 Marks
(b)
Define Network Address Translation and Port Forwarding. Differentiate between the two.
4 Marks
(c)
Explain Netcat as backdoor. Briefly explain basic commands available in Netcat.
7 Marks
Gujarat Technological UniversitySummer 2026 Examination
GTU 3150714 Cyber Security Summer 2026 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 Hours2:30 PM – 5:00 PM
Paper Structure5 QuestionsWith internal OR choices
Question 2
(a)
Define Network Vulnerability with example.
3 Marks
(b)
Explain use of NMAP with its commands.
4 Marks
(c)
What is an Intrusion Detection System? Explain snort in detail.
7 Marks
OR OPTION
(c)
Explain types of firewalls. How packet filters are different than other firewall types?
7 Marks
Question 3
(a)
Define web vulnerability and explain any two in detail.
3 Marks
(b)
Discuss Zed Attack Proxy as web application inspection tool.
4 Marks
(c)
What is the use of Password Cracking and Brute-Force Tools in ethical hacking? Discuss any one of the below tools in detail: John the Ripper or HTC-Hydra.
7 Marks
OR OPTION
(a)
Explain usage of HTTP utilities - CURL, OpenSSL & Stunnel.
3 Marks
(b)
Discuss Sqlmap as web application inspection tool.
4 Marks
(c)
Explain w3af - Web Application Attack and Audit Framework in detail.
7 Marks
Question 4
(a)
Define Attack Vector with example.
3 Marks
(b)
Discuss IT Act 2000 with respect to electronic authentication method.
4 Marks
(c)
Discuss Buffer Overflow as Attack Vector with Example.
7 Marks
OR OPTION
(a)
List types of Cyber Crimes. Explain any one in detail.
3 Marks
(b)
Enlist any four Offenses and corresponding Punishments under IT Act
2000
4 Marks
(c)
Discuss Attacks on Wireless Networks with its preventive measures in detail.
7 Marks
Question 5
(a)
Differentiate between Virus and Worms.
3 Marks
(b)
Explain usage and types of Keyloggers.
4 Marks
(c)
Explain Kismet as wireless network vulnerability assessment tool.
7 Marks
OR OPTION
(a)
Explain DDOS Attack and prevention techniques.
3 Marks
(b)
Explain Traffic Probe and Vulnerability Probe.
4 Marks
(c)
Explain Ettercap as vulnerability assessment for man-in-middle attack in LAN.
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 (Summer 2026, 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.