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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?
Cipher Methods There are 2 methods of encrypting plaintext: • Bit stream method – every bit in the plaintext bit is transformed into a cipher bit one bit at a time. • Block cip
define .
Short term Scheduler function , also shown as a dispatcher runs most frequently, and creates the finest-grained decision of which program could run next. This scheduler is called
COLLISION DETECTION The signals from two devices will interfere with each other and the overlapping of frames is known a collision. It does not cause to the hardware but data
Implementing an effective online authentication scheme in practice faces many challenges. Systems with highly sensitive data often require multifactor authentication. But, requirin
what is computer network?
For this assignment you will create a program called MMWordFix (Multi-Mode WordFix). This program prompts the user to select one of three word filters (uppercase, lowercase, encryp
(a) An opponent is using RSA with the public key {e=53, n=77}. You intercept the ciphertext C=10. (All values on this problem, including the ciphertext and the cleartext, are nume
CONCEPT OF PACKET : Network systems splits data in small junks or blocks known as packets, which they send individually. Why we required packets rather than bits? The answer to
Problem (a) Differentiate between private key and public key encryption. (b) What issue with private key encryption is resolved with public key encryption? (c) Describe
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