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Question:
(a) Which of the following is not a goal of security:
i) detection ii) prevention iii) recovery iv) prosecution
(b) You are an honest student. One day you receive a letter from the University requiring you to see the IT manager about a serious security break-in which you appear to have been involved in. You've never done anything like this. What could be happening here, and how could you have become implicated?
(c) Give one example of a Packet Sniffer tool that can be used for eavesdropping. What is the aim of an attacker in using a packet sniffing?
(d) Give two differences between a hacker and a cracker.
(e) What is buffer overflow? What type of attack is it? How do you prevent it?
(f) Your help desk has informed you that they received an urgent call from the vice president last night requesting his logon ID and password. What type of attack is this?
(g) A hacker located at IP address 12.8.0.1 wants to launch a Smurf attack on a victim machine located at IP address 129.74.15.12 utilizing a third-party network located at 141.190.0.0/16. What would be the source and destination IP address on the single packet the hacker transmits?
(a) Illustrate what you understand by Nyquist Capacity Theorem? (b) Consider we wish to transmit at a rate of 64 kbps over a 4 kHz noisy but error-free channel. What is the mini
ACCESS CONTROL DEVICES Successful access control system includes number of components, which depends on system’s requirements for authentication and authorization. Powerful auth
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Question: (a) Consider that you enter the given URL in the address bar of a popular web client and that both the client and server accepts HTTP version 1.1. i. What can be t
(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
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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
(a) Consider the subsequent authentication options: A. Using password. B. Using pin and fingerprint Which option A or B provides stronger security and why? (b) Give
define cryptography
Q. Secure routing Protocols for Wireless Sensor Networks? A secure routing information protocol enables effective implementation of authentication and integrity checking defens
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