Computer Science Homework Solutions

authentication protocol

Suppose we are using a three-message mutual authentication protocol, and Alice initiates contact with Bob. Suppose we wish Bob to be a stateless server, and therefore it is inconvenient to require him to remember the challenge he sent to Alice. Let's modify the exchange so that Alice sends the challenge back to Bob, along with t ...continues

Cost Proposal

Background: NorthWestern Loan (NWL) is requesting a proposal for the installation of a local area networki at its loan office. NWL has purchased a new software package for loan administration and would like to replace its existing PCs and network cabling. The current network uses an old version of Novell and coaxial cable. ...continues

Network & Computer Security

References: http://www.sans.org/top20/ Background: Assume you are the network manager with several servers and over 500 client PCs. All computers are connected to the Internet via routers that you control. Read over the top 20 list at the above reference website. Problem: Answer the following questions: Are y ...continues

Network & Computer Security II

Background: See attached document. Problem: Once you have addressed and repaired all the issues referenced in the background, what steps should you take to continually address these and newer threats and how will you, as network manager, discover and learn about the new threats that exist?

Network & Computer Security III

Introduction: In Many development organizations and universities network managers must oversee a network that has many computers connected to it that are used by developers for design and product development purposes. Often, these developers are using systems or settings for which the network managers have little or no exper ...continues

Network & Computer Security IV

Introduction: Assume you work for a small, one-office loan business. Your data is critical, and a fire or other disaster could destroy all of your computer files. This not only could result in not knowing who owes you what, but could also result in hefty penalties from state and federal agencies that oversee loan regulation ...continues

Network & Computer Security V

Introduction: The First Bank of Paradise (FBP) operates primarily within the state of Hawaii, although it has one branch office on Da Kine Island in the South Pacific. FBP has 27 branch offices around the state. See the attached document for the bank's wide area network. (The diagram in the attachment does not exactly match ...continues

Network security

One can simulate digital signatures using Kerberos. Explain how this can be achieved and carefully outline what functionality of digital signatures can (and cannot) be provided.

Network Security

Which are security specific devices used on a network and non-security devices that have security implications.

A short problem networking a small business

Hi, below is a short question i have been given in a lecture, i am having trouble understanding the question and the assumptions & solutions that i should give, please can you help me with this problem. The question is worth 20 marks which is split into two sections; 1, Analysis of the problem including assumptions made ( ...continues

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