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Question: Security infrastructure and protocols
a. PKI and PGP are two methods for generating and managing public keys for use in protocols such as secure email. Compare and contrast the trust models for public keys used in PKI and PGP, and assess the statement that a PKI is a "topdown" approach to trust and PGP is a "bottom-up" approach to trust.
b. The SSL protocol uses (X.509) certificates to create a secure session between a server and a client in a web session. Discuss the browser-based trust model assumed in SSL, and compare it with the trust model used in Kerberos. Kerberos is designed to operate is a relatively small domain, such as a single company. Discuss the practical issues around extending the Kerberos trust model to a global scale; say to provide secure services between Amazon and its customer base. c. Both IPsec and SSL provide encrypted network communication, but at different layers in the Internet protocol stack, and for different purposes. Compare and contrast these two protocols, and describe the secure communication scenarios they are best suited to address. Tasks:
a. Compare and contrast the trust models.
b. Compare and contrast the trust models; discuss details on implementing Kerberos on a large scale.
c. Compare and contrast the protocols; provide examples of best suited scenarios.
In second strategy, packets are not acknowledged individually, but whole file is acknowledged when it arrives. Explain the two approaches.
Consider a TCP connection between Host A and Host B. Suppose that the TCP segments traveling from Host A to Host B have source port number x and the destination port number y. What are the source and destination numbers for the segments traveling ..
How the researchers are addressing the issue, which direction the research is going, the probable future research direction, conclusion/your comments, and references.
Create a domain local group, a global group, and make the global group a member of the domain local group.
7502ICT - Advanced Networking: Project. In order to keep track of the progress of the project, you will have to submit an interim progress report describing (a) brief overview of the project (b) what work has been completed so far and (c) what is s..
List and illustrate 5 RFCs that describe the IMAP protocol. Print and read the first two pages of one of these RFCs.
Research three web browsers. For each browser, try to use it to at least access, if not actively work with, each of the following type of common web sites.
Type-1 certification (TOP SECRET) focuses on Development Methodology. How would you address this certification issue with your hypothetical company (make up one for this problem) for your system
What are the current advantages and disadvantages of packet-switching compared to circuit switching?
Acme Computing Corp. has remote sites in Port Clinton and Napoleon in addition to their main site in Toledo. There are currently 29 devices connected to the network in Toledo.
Write down the security policy document of less than 1000 words for business which operates web site which sells books.
What RFC describes the Gopher protocol? Print and read the first two pages of the RFC and list and illustrate 5 RFCs that describe the IMAP protocol. Print and read the first two pages of one of these RFCs.
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