Download JNTUA B.Tech 4-2 R15 2019 April Regular 15A05806 Cyber Security Question Paper

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Code: 15A05806

Time: 3 hours

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B.Tech IV Year II Semester (R15) Regular Examinations April 2019

CYBER SECURITY

(Common to CSE & IT)

PART - A

(Compulsory Question)

Answer the following: (10 X 02 = 20 Marks)

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1. (a) What is an IMEI number? What is its significance?
2. (b) Write short notes on SMS blocker.
3. (c) List various kinds of DOS attacks.
4. (d) What is steganalysis?
5. (e) What are the types of computer crimes? Explain.

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6. (f) Define computer forensics.
7. (g) Briefly explain CDMA features.
8. (h) Define mobile phone forensics.
9. (i) What is a security breach?
10. (j) What is cookie? How does it compromise privacy of a user?

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PART - B

(Answer all five units, 5 X 10 = 50 Marks)

UNIT - I

1. 1 Describe various kinds of attacks on mobile/cell phones.

2. OR

   2 Elaborate on various authentication services in mobile devices.

UNIT - II

1. 3 Describe various password cracking methods.

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2. OR

   4 Write short notes on the following:
   1. Buffer overflow attacks.
   2. Trojan Horse.

UNIT - III

1. 5 Explain the digital forensic life cycle.

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2. OR

   6 Describe how OSI layer 7 is relevant in computer forensics.

UNIT - IV

1. 7 Compare the hardware characteristics of hand held devices in basic, advanced and smart variants.

2. OR

   8 Describe toolkits available for hand held device forensics.

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UNIT - V

1. 9 Describe the risks of social media marketing.

2. OR

   10 Elaborate on the forensic best practices for organizations.

Max. Marks: 70

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