Question 1
(a)
Explain Challenges of Digital Forensics.
3 Marks
(b)
Explain the role of a cyber forensic investigator.
4 Marks
(c)
Explain Main Memory and Auxiliary Memory with example.
7 Marks
Gujarat Technological UniversitySummer 2025 Examination
GTU 3170725 Digital forensics (DF) Summer 2025 Paper Solution & PDF
B.E. · Computer Engineering · Semester 7 · Subject Code: 3170725
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)
Explain Flynn’s Classification of computer.
3 Marks
(b)
Differentiate Live and Dead system forensic
4 Marks
(c)
Explain Locard’s Exchange Principle with suitable scenario.
7 Marks
OR OPTION
(c)
Explain Digital Forensic Process.
7 Marks
Question 3
(a)
Explain the term “chain of custody” in the context of digital forensics.
3 Marks
(b)
Explain forensic cloning of evidence.
4 Marks
(c)
Explain Hashing concepts to maintain integrity of evidence.
7 Marks
OR OPTION
(a)
Explain Digital evidence.
3 Marks
(b)
What is the difference between digital evidence, electronic evidence, and computer evidence?
4 Marks
(c)
Explain, how hashing concepts to be used for maintaining the integrity of evidence?
7 Marks
Question 4
(a)
Define sleep, Hibernation and Hybrid sleep.
3 Marks
(b)
Explain the relevance of metadata with reference to collected evidence.
4 Marks
(c)
Explain most important legal features about digital evidence.
7 Marks
OR OPTION
(a)
Differentiate a restore point and a shadow copy.
3 Marks
(b)
Discuss techniques of finding deleted data.
4 Marks
(c)
Discuss legal aspects and their impact on digital forensics.
7 Marks
Question 5
(a)
Define Hardware and Software tools for digital forensics.
3 Marks
(b)
Explain tool validation in context of quality assurance.
4 Marks
(c)
Discuss e-mail header forensic in brief.
7 Marks
OR OPTION
(a)
Explain branches of digital forensics.
3 Marks
(b)
Explain various tool selection methods in context of digital forensic.
4 Marks
(c)
Explain the use of digital forensic in social networking sites.
7 Marks
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About this Examination Paper & Attribution
Official Gujarat Technological University (GTU) examination paper and step-by-step solutions for Digital forensics (DF) (Summer 2025, B.E. · Computer Engineering, Sem 7). 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.