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QUESTION
(a) (i) Describe Phishing attacks.
(ii) Distinguish between Phishing and Spear Phishing attacks.
(b) Describe two instances where an attacker sniffing on a network may get an opportunity to perform a DNS poisoning and how the DNS poisoning can be done.
(c) Briefly explain how the following networks can be protected against cache ARP poisoning (i) small networks, (ii) large networks and (iii) all networks
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
QUESTION (a) Which PKI (Public Key Infrastructure) model is typically favored by business organization? (b) Give one possible use of the "extensions" field of an X.509 certi
1. Network Design Design your network giving appropriate IP addresses for your hosts. Provide a topology and table showing your addressing scheme. 2. F i re wall po
a) Calculate the CRC for the frame below: Frame: 1101011011 Generator: 10011 Message after appending 4 zero bits: 11010110110000 b) OSI refers to a system in which any
Question: (a) African governments are slowly shifting to more transparent ICT regulations. However, but limited spectrum availability remains a key barrier to sustaining lon
A Network is described as a system for connecting computers using a single transmission technology. The computers can interact with each other in a network. They can receive an
(a) Describe the concept of zero knowledge proofs. Give a practical example. (b) Explain how a one way hash function works. (c) What are message authentication codes? (d)
FRAME FORMAT AND ERROR DETECTION The changed frame format also adds CRC. If there is an error happened in frame, then it typically causes receiver to removed frame. The frame
LEGAL, ETHICAL AND PROFESSIONAL ISSUES To minimize liabilities and reduce risks, information security practitioner should: • to understand current legal environment • to s
Hardware, Software, and Network Asset Identification What information attributes to track is dependent on: • Requires of organization/risk management efforts • Management
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