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(a) Mention the five main security services.
(b) What is a passive attack? Give an example of passive attack?
(c) What four types of active attacks and mention their respective attacks to which security services?
(d) Distinguish between authentication and non-repudiation.
(e) Which type of algorithms can be used to provide the following security services:
i. Message integrity
ii. Message integrity and authentication
(f) Describe how public key cryptography can be used to provide message confidentiality when Alice wants to communicate with Bob.
For this assessment, students must research and analyse two different scenarios. The two scenarios must be chosen from those described below and submitted as one Microsoft PowerPoi
SHIFT OPERATION: This operation replaced all bits to the left one position. For example in the diagram below a 16-bit CRC hardware is given, which needs three Exclusive OR (
hi have a look and tell me if u can do it. if u can do Q1then i will allow u to do Q2
KASONet Pinging System: Project Title: "KASONet Pinging System" Brief Overview of Project: The o
RING topology all computers are connected in loop. A ring topology is a network topology in which every node connects to exactly two other devices, forming a single continuous pa
Information System Security 1. Write about: a. Potential Risks to Information Systems b. Factors to be addressed for making information systems more secure 2. Write about t
Question a) From the capture below: Give the datagram source IP address, upper layer protocol, Total length in decimal and header checksum in hexadecimal; the segment source po
Question (a) A CRC is constructed to generate a 4-bit FCS for an 11-bit message. The divisor polynomial is X 4 + X 3 + 1 (i) Encode the data bit sequence 00111011001 using po
Question 1 Explain the types of threats (Attacks) Question 2 What are the Characteristics of Good Encryption Technique? Question 3 Write a note on Digital Signatur
QUESTION (a) Hashing and salting is commonly used as password storage techniques for most applications. Describe how hashing and salting enable secure storage of password (b
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