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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?
Question : (a) What do you meant by the term "Bastion Host"? What is its use? (b) "Hostile" Java applets will do undesirable actions. Mention two problems caused by Hosti
Simplex data exchange Simplex communication defines to communication that happens in one direction only. Two definitions have made over time: a common definition, which is des
algorithm on simple intrest
A Certificate presents an organization in an official digital form. This is same to an electronic identity card which serves the purpose of Identifying the owner of the certificate
Problem: (a) Assume that a new application layer protocol is developed for video conferencing application. Which transport layer protocol, between TCP and UDP, will you u
Question: (a) Describe the term interference in the space, time, frequency, and code domain. (b) Consider a 1 G - AMPS: 824-849 MHz (forward) ; 869-894 MHz (reverse). B
Discuss how developers should apply the following countermeasures to improve the security of their code:
Network-Based IDS (NIDS) A NIDS resides on computer or appliance connected to segment of an organization’s network and looks for signs of attacks. While examining packets, a NID
Transposition technique
Stateless Packet Filtering Stateless or static packet filtering is the most straightforward kind of packet filtering that allows or disallows data transfer based on the addres
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