JAWAHARLAL NEHRU TECHNOLOGICAL UNIVERSITY HYDERABAD
JAWAHARLAL NEHRU TECHNOLOGICAL UNIVERSITY HYDERABAD B.Tech IV INFORMATION SECURITY Previous Question Paper (January/February - 2023 - R18)
Note: i) Question paper consists of Part A, Part B. ii) Part A is compulsory, which carries 25 marks. In Part A, answer all questions. iii) In Part B, Answer any one question from each unit. Each question carries 10 marks and may have a, b as sub questions.
Part A
Compulsory
What do you mean by security service?
Answer
A security service is a processing or communication service that enhances the security of data processing systems and the information transfers of an organization. These services are designed to counter security attacks and make use of one or more security mechanisms.
What is Cryptanalysis?
Answer
Cryptanalysis is the study of techniques used to decipher encrypted messages without knowledge of the cryptographic key. It involves analyzing ciphertext to recover the plaintext or the secret key, often by exploiting weaknesses in the cryptographic algorithm or implementation.
Describe the use of public key Cryptography.
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What are the requirements of MAC function?
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What is Digital Signature?
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What are the authentication applications?
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What is TLS?
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Write about Security Association.
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What do you mean by Worms?
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What is the function of firewall?
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Part B
Answer any one question from each unit.
Explain in detail about the Blowfish Algorithm.
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Explain about Random number generation.
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What is traffic confidentiality?
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Explain the Diffie –Hellman key exchange algorithm.
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Explain the SHA 512 algorithm. Illustrate with an example.
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Explain in detail about Kerberos.
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What do you mean by PGP? Explain the working of PGP.
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What is IP Security? Discuss in detail about IP Security Architecture.
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Explain in detail Secure Electronic Transaction.
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Discuss about:
Intruders
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Trusted system.
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Explain in detail about Intrusion Detection System.
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