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Question:
(a)
i. Explain what is meant by Discretionary Access Control and Mandatory Access Control
ii. Which method would be the most effective to ensure that users do not share files with other users not approved for access?
(b) Outline three main differences between the Liberty Alliance specification and the Microsoft .NET Passport System.
(c) Explain what is meant by the term ‘single sign-on' in the context of access control?
(d) Give three examples of single sign-on technologies.
(e) Compare the relative merits of a network based IDS and a host based IDS.
(f) Explain the main stages in the penetration testing process.
Packet Filtering Firewall Packet filtering is a network security mechanism that works by controlling what data can flow in and out of the network. The basic device that interco
(a) Briefly explain the following security goals provided by cryptography: confidentiality, authentication, integrity and non-repudiation. (b) State Kerckhoff's Princip
Write down the short notes on VTR. Communication between different types of the equipment and software is made possible by making use of the networks. Full-screen text editor is s
Describe what the FTAM services are. FTAM stand for the File Transfer Access and Management: FTAM is an ISO application protocol which performs the operations on files such as.
Illustrate about TinySec Protocol TinySec is implemented on the link layer and addresses security requirements of the resource staffed nodes in the WSN based on the link layer
Broadcasting is the distribution of video and audio content to a whole audience via any audio or visual mass communications medium, but generally one using electromagnetic radiat
Bridges perform both in the data link layers and physical of LANs of same kind. They split a bigger network in to smaller segments. They have logic that accept them to store the
CarALouer provides rental of cars to its customer on a regional basis i.e. a car is attached to a regional home-base which also houses a regional office of the company. Each regi
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
QUESTION: (a) Ethernet has grown in popularity in the recent years and is now used in LANs. Give three reasons for the success behind Ethernet. (b) Ethernet uses the CSMA/CD
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