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Question:
(a) Describe how IPSec provides data source authentication.
(b) Which protocol can be used to provide limited traffic analysis confidentiality? Why is it "limited"?
(c) What is encapsulation?
(d) Considering the TCP/IP protocol suite, what is the lowest layer at which a firewall can operate?
(e) A company designs and implements software. It needs a web site to sell its products, and needs to be able to forward email from external sources (such as customers) to the developers. But it is concerned about putting systems of the developers' network onto the Internet.
The company hired a consultant, who recommended that the company design a network that included a DMZ.
a. Please explain what a DMZ is.
b. Why did the consultant recommend this?
(f) Explain how a "signature based IDS" works? What is the disadvantage of such an IDS?
Selecting a Risk Control Strategy Risk controls involve selecting one of the 4 risk control strategies for every vulnerability. The flowchart is shown in the figure given below
Evaluations, Assessment, and Maintenance of Risk Controls When the control strategy has been implemented, it should be monitored and measured on an ongoing basis to determine ef
WHY USE AN IDS? IDS prevent from problem behaviors by increasing the perceived risk of discovery and punishment. Detect the attacks and other security violations. Detect and at
Problem 1: What is the function of AUC in the GSM architecture? Explanation of HLR(AUC) Architecture of GSM Problem 2: Show the layered architecture of t
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CONCEPT OF PACKET : Network systems splits data in small junks or blocks known as packets, which they send individually. Why we required packets rather than bits? The answer to
Question 1 The speech act theory is used as the model for communication among computational agents. Locution, illocution, and perlocution are the 3 aspects of this theory Using
UDP DATAGRAM FORMAT: It is given in the figure below:
People,Procedures,Data Asset Identification-Risk Management The human resources, data information and documentation assets are more difficult to identify. People having knowle
SECURING THE COMPONENTS Computer can be subject of an attack or the object of an attack. When subject of an attack, computer is used as lively tool to conduct attack. The figure
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