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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
Cryptographic algorithms Cryptographic algorithms are broadly classified into two broad categories. They are stated below 1. Symmetric Encryption and 2. Asymmetric Encryptio
briefly expslain type of e-commerce
Hashing is the transformation of a string of characters into a generally shorter fixed-length key or a value that presents the original string. Hashing is used to index and retri
Early networks used simple point-to-point communication . In such a method of communication every communication channel connects exactly two devices. In this way it prepares a m
SECURING THE COMPONENTS Computer can be subject of an attack or the object of an attack. When subject of an attack, computer is used as lively tool to conduct attack. The figure
crack the secret message and explain how the code works. The clue is that it has something to do with the computer keyboard. J-Q-H-6 Q-E-F-Q-H-D-3-W 8-H 5-Y-3 7-W-3 9-R--D-9-J
(a) (i) Bob has public RSA key (n = 77, e = 7). Show that Bob's private key is (d = 43). (ii) Alice wants to send the message m = 13 to Bob. She encrypts the message usi
how to encryt the data in plaintext cipher
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
Problem: (a) What is the minimum length of a password that could be considered to be "strong" in the context of today's computing power? (b) The security of a PIN system,
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