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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.
Question: (a) A Wireless Mesh Network (WMN) is a communications network made up of radio nodes organized in a mesh topology. i. Describe the function of a TAP in WMNs. ii.
Question: (a) State the strong law of large numbers. (b) Data have been collected on response times (in minutes) at a fire station. The data are 2:7 1:8 0:8 1:4 1:2 (i
Question: (a) What do you understand by the term "integrity"? (b) Which type of attack denies authorized users access to network resources? (c) You have discovered tha
Proof that the sender forwards the message. It also prohibits the author of the code from falsely denying that he forward the message. This is achieved by record using the exact ti
QUESTION a) Compare and contrast between static and dynamic routing. b) What are the merits (five merits) and limitations (3 limitations) of using Open Shortest Path First
Dynamic Packet Filtering Dynamic Packet Filtering is also referred to as stateful firewalling. Here the firewall maintains the status of connections as well. When a connection
Problem (a) Name the various layers of the OSI model. (b) Show, by means of a diagram, how the TCP/IP reference model is different from the OSI-7 reference model? Why is
(a) What are the different architectures for wireless networks? (b) Explain how WEP authentication and encryption works, describe the vulnerability. (c) In what ways are secu
The objective of this example is to demonstrate the steps required for a successful attack against a vulnerable Windows XP SP2 system. It will show: a) how Nessus can be used to di
QUESTION A small ISP requests your help. The technicians report that they have had no downstream access to the Internet. They believe the problem lies with their access provide
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