Total No. of Questions : 6] SEAT No. : P3703 [Total No. of Pages : 2 Engg. - 50 T.E. (Computer Engineering) (Semester - I) Computer Forensic & Cyber Applications (In Sem.) (2012 Pattern) Time : 1 Hour] [Max. Marks : 30 Instructions to the candidates: 1) Solve Q-1 or Q-2, Q-3 or Q-4, Q-5 or Q-6. 2) Neat diagrams must be drawn wherever necessary. 3) Assume Suitable data if necessary. 4) Figures to the right indicate full marks. Q1) a) Define network topology and explain any two network topologies.  b) Describe the layers of TCP/IP model with suitable diagram.  c) Differentiate between router and switch network devices.  Q2) a) Explain periodic listen and sleep operation of sensor MAC.  b) Draw and explain 802.15.4 super frame structure.  c) Explain circuit switching in short.  Q3) a) Define digital forensic and explain principles of digital forensic.  b) What is Modus Operandi? Explain MO behavior with example.  c) Distinguish between direct and circumstantial evidence.  Q4) a) Write short note on Indian IT act.  b) Describe four fundamental principles of handling digital crime scene. c) Draw staircase model of digital investigation.  P.T.O.
Q5) a) Write short note on forensic preservation of volatile data.  b) Explain role of computer in violent crime with example.  c) Explain time as an alibi with example.  Q6) a) Write short note on Investigative Reconstruction in Violent Crime.  b) Describe in brief how computer intruders operate.  c) Explain location as an alibi with example.  zzz [Engg.]-50 2