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QUESTION
(a) Consider the following authentication options
A. Using password
B. Using pin and fingerprint
Which option A or B provides stronger security and why?
(b) Give one example of a strong password. Why should passwords be strong?
(c) Give two examples of centralized access control systems
(d) How can network datagrams (packets) be protected at the network layer?
(e) Does SSL protect against eavesdropping? Does SSL protect against traffic analysis? Justify your answer
(f) Name three SSL protocol from the SSL protocol stack
(g) Distinguish between the session and connection concept in SSL
Question : (a) How does a 2-key rollover differ from the N-key rollover? (b) Why is isolation so important in interfacing? (c) Explain what is software debouncing.
QUESTION: (a) For the bit stream 010011, sketch the waveforms for each of the code indicated. Assume that the signal level for a space in NRZ-L is positive; the signal level f
SDES encryption and decryption
Question : Wi-Fi protected access (WPA) was specified by the Wi-Fi alliance with the primary aim of enhancing the security of existing 802.11 networks. However, WPA was only a
Question: (a) What do you meant by the term diffusion and confusion? Explain how diffusion and confusion can be implemented. (b) Distinguish between authorisation and auth
(a) Briefly explain the following security goals provided by cryptography: confidentiality, authentication, integrity and non-repudiation. (b) State Kerckhoff's Princip
Question 1 a) Explain how CSMA/CD works. b) Describe the term "exponential back-off". c) Describe the differences between "circuit switching" and "packet switching". d) Th
What is Authentication/confirmation? How it is different from the Authorization/approval? Explain in brief different authentication protocols along with their merits and demerit
Risk Control Strategies Once the ranked vulnerability risk worksheet has created, they should choose one of following 4 strategies to control each risk: •Apply safeguards which
COLLISION: The receiver can get simultaneous requests, which gives in collision at receivers and both service lost and in this way no transmitter accepts reservations and both use
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