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Question:
(a) What are the various options to mitigate risks in an Information Security Management System (ISMS)? For each option specify an instance where it can be used.
(b) Explain what is meant by ‘clear desk and clear screen policy' and how is compliance verified. Mention the control and clause number in ISO 27001:2005.
(c) Explain briefly the vulnerability exploited by the following access control threats and their possible countermeasures (i) Buffer Overflow and (ii) Botnets.
(d) Explain what is meant by Type I error, Type II error and the cross over error rate for a biometric system. What is considered the most important error for a biometric access control system?
(e) Explain the difference between a signature based IDS and a statistical anomaly IDS.
QUESTION (a) FTP is a protocol used for the delivery of files across networks. Explain how FTP works (support your answer with a diagram). (b) How does TCP perform the gi
B a s i c functions of e-mail system are given as follows: C o mp o sition refers to the procedure of creating messages and the answers. Though any text editor can be
Ask quIf you are pinging a web server from a user’s client PC, how might the statistical information provided by ping be useful to you?estion #Minimum 100 words accepted#
QUESTION (a) A convex flow problem is a non linear network flow problem. Explain how a convex flow problem could be transformed into a Minimum Cost Flow problem. (b) Exp
ENCAPSULATION Network interface layer adds IP datagram as data area in hardware frame. Hardware ignores IP datagram message format. Standards for encapsulation defines details
Steganography It is a process of hiding information in use for a long time. Most popular modern version of this process hides information within files appearing to contain digit
IDS Deployment Overview The decision regarding control strategies, decisions about where to locate elements of intrusion detection systems is an art in itself. Planners should s
QUESTION: (a) Suppose the graph below, use the Flow Decomposition method to list the cycles and paths produced. (b) Describe how Lower Bounds on Arc Flows are eliminated
Feasibility Studies Before deciding on strategy, all information of economic or non economic consequences of vulnerability of information asset should be explored. A number of w
(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 respecti
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