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1. A small business with 1000 computer workstations is installing a new local area network. All of the users perfrom the usual operations of email, word processing. Internet browaing, and some preparation of spreadsheets. Approximately one-quarter of the employees perfrom a large number of client/server requests into a database system. Which local area network operating system would you recommend? State your reasoning.
2. A large wide area network covers the United States and has multiple nodes in evey state. The node in Denver crashes completely. How do the other nodes in the country find out about the crash if RIP is used? If OSPF is used?
Consider compressed video transmission in an ATM network. Suppose standard ATM cells must be transmitted through five switches. The data rate is 43Mbps. What is the transmission time for one cell through one switch?
Identify the various costs associated with the deployment, operation and maintenance of a mobile-access system. Identify the benefits to the various categories of user, arising from the addition of a mobile-access facility.
For a language L over alphabet Sigma, let sup(L) denote language of all strings in Sigma* that contain a string of L as s substring.
Research to see how the Internet is put together. What are some key pieces of the basic architecture of the Internet?
List A below contains the layers of the internet protocol. List B contains items and applications associated with these layers. Recreate the answer table show below in your answer booklet and put the protocol layers in their correct order.
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.
Write a two-and-a-half-page paper explaining network management system identified on acurrently-dated vendor website (Cisco, HP, Sun, SolarWinds, CA, Network General, IBM, etc.).
It asks ISPs to disclose actual identities of these people. Should the ISPs comply with this request. Describe your reasoning
In the meantime, CEO of the first company transmits e-mail to CEO of second company in order to provide a couple suggestions related to the joint venture. Explain whether this scenario follow OSI model? Describe it in detail.
How might reliable deal with supplier and client reluctance to provide detailed information about their internal operation?
Let N users participating in audio/video conference by using IP multicasting. How many distinct SSRCs are required?
Investigate the methods by which users could gain access to the network. Pay particular attention to: The problems of having open access for all users.
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