Explain Public Key Cryptography.

Perform encryption and decryption using RSA algorithm for p=l 7, q=31, e = 7 and M = 2.

Explain the operations of Kerberos.

Explain operation of MD5 message digest algorithm.

User A and B use the Diffie-Helliman key exchange technique with a common prime q = 71 and a primitive root α = 7. i) If user A has private key XA = 5, what is A’s public key YA? ii) If user B has private key XB = 12, what is B’s public key YB? iii) What is the shared secret key?

Explain X.509 Authentication Service.

List and explain components of IPSec protocol.

What is VPN? Explain components of VPN.

Explain working of PGP in details.

List and explain various participants involved in Secure Electronic Transaction (SET).

Describe the SSL protocol in details.

What is S/MIME’? What are the benefits of S/MIME?

Explain the architecture of firewall.

What is trusted system? Explain in brief.

Difference between IDS and IPS.

List and explain types of Intrusion Detection System.

What is access control security service?

Describe operation of packet filtering firewall.

What is Cyber Staking.

Write short note on Mobile Hacking.

Explain Indian IT Act.

Explain PII impact level with examples.

Write short note on Cybercrime.

Write Advantages of cyber law.

Write short note on X.509.

What is Digital Signature Standard? Explain the DSS approach.

Perform encryption and decryption using RSA algorithm for p = 11, q = 3, e = 3 and M = 7.

Identify and explain the various methods of authentication.

Explain the operations of Kerberos.

In a Diffie-Hellman Key Exchange, Alice and Bob have chosen prime value q = 17 and primitive root = 5. If Alice’s secret key is 4 and Bob’s secret key is 6, what is the secret key they exchanged?

What is VPN? Explain types of VPN.

Explain IPsec also state the advantages of IPsec.

Distinguish between PGP and S/MIME.

Explain ISAKMP protocol of IPSec.

Explore Secure Socket Layer Handshake protocol in detail.

Distinguish between IDS and IPS.

List and explain types of intrusion detection system (IDS)

Enlist the various types of firewall.

Explain : i) Dictionary Attack ii) Social Engineering attack iii) Brute Force attack

What is Attribute-Based Access Control (ABAC)

What is trusted system? Explain in brief.

Differentiate packet filtering router and stateful Inspection firewall.

List types of VoIP hacking and Explore any 3? Describe a few counter Measures to prevent remote connectivity and VoIP hacking.

Who are cyber criminals? What are types of cybercrimes?

Explain Personally Identifiable Information PII.

What is cyberstalking? Compare between cyberstalking and physical stalking.

Explain the terms : i) Virus ii) Phishing iii) Spoofing iv) Mobile hacking v) Internet Pharming vi) Cyber Forensic

Compare Security and Privacy.

Evaluate encryption and decryption using RSA algorithm p=7, q=11, e=17 and M=8.

What is authentication? Explain various methods for authentication.

User A and B use the Diffie-Hellman Key exchange techniques with common prime q=71 and primitive root =7. i) If user A has private key XA=5 what is A’s public key YA? ii) If user B has private key Xb=12 what is B’s public key YB?

Distinguish between Kerberos and X.509 authentication service.

Describe IPsec protocol with its components & security services.

What is PGP? Explain operation of PGP.

Explain Secure Socket Layer Protocol?

Explain VPN architecture with its component.

List and explain any two password management practices.

What is IDS? Explain types of Intrusion detection systems (IDS).

Explain methods for intrusion detection system (IDS).

Explain countermeasures that can be implemented in Cyber security.

Define cybercrime? Explain it with its type?

Write short note on following: i) Cyber stalking. ii) Hacking.

Define Hacking? Explain different types of hacking.

Write short note on following: i) Information Protection Law. ii) PII.

List and explain various elements of Information Security.

Write difference between security and privacy.

Enlist the security goals and mechanisms.

Draw and explain operational security model for network security.

Define cyber security. Explain Active and passive attack.

Explain Feistel cipher.

Explain ceaser cipher with example.

Explain DES Algorithm.

Explain Monoalphabetic cipher with example.

Compaire symmetric key cryptography and Asymmetric key cryptography.

Use the transposition cipher to encrypt the message "WE ARE THE BEST" use key "HEAVEN".

Explain the following terms. i) Cryptography. ii) Crypt analysis. iii) Cryptology. iv) Crypto system. v) Steganography.

Draw and explain operational security model for network security.

Explain passive and active attack.

Write difference between security and privacy.

Define the following term with example. i) Symmetry ii) Asymmetry

What are the different threats and vulnerabilities in case of cyber security?

List and explain various elements of information security.

Explain DES Algorithm.

Explain One Time Pad with example.

Difference between AES and DES.

What is block cipher? Explain counter mode of block cipher.

Use the transposition cipher to encrypt the message “GEEKS FOR GEEKS” use key “HACK”.

Explain the following terms. i) Ciphertext ii) Cryptology iii) Crypto system iv) Steganography v) Plaintext

Draw and explain operational security model for network security.

Write difference between security and privacy.

Explain passive and active attack.

Define the following term with example. i) Symmetry ii) Asymmetry

List and explain various elements of information security.

What are the different threats and vulnerabilities in case of cyber security?

Explain One Time Pad with example.

Difference between AES and DES.

Use the transposition cipher to encrypt the message “GEEKS FOR GEEKS” use key “HACK”.

What is block cipher? Explain counter mode of block cipher.

Explain Play fair Cipher with example.

Explain DES Algorithm.