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Consider a bus LAN with a number of equally spaced stations with a data rate of 10 Mbps and a bus length of 1 km. Assume a mean distance between stations of 0.275 km. This is an approximation based on the following observation. For a station on one end, the average distance to any other station is 0.5 km. For a station in the center, the average distance is 0.25 km. With this assumption, the time to send equals transmission time plus propagation time. What is the mean time to spend a frame of 1000 bits to another station, measured from the beginning of transmission to the end of reception? Assume a propagation speed of 100 m/μs.
Describe the advantages and disadvantages of several different Web 2.0 technologies. How could these technologies be used for good? What types of problems might these technologies cause?
Identify each of the blocks commonly employed and utilize an analogy to sending a physical package to explain what each block does.
Explain how a client process in a given end system can find the location of a given user to establish a connection, for example, Internet telephone, at a given point in time.
How could you interconnect the two areas? Assuring that the network has immunity from the interference; re-evaluate your choice explaining the best medium(s) to utilize.
Provide an example explaining the best use of Virus, Encryption, VPN, Firewall securities, when and why?Which security areas you are using and applying to your securities? Also explain why?
Explain what the personnel implications are when setting up a WAN on a global basis. What are some of the barriers involved with global teams?
What factors of the various UPS systems must concern you? What would you suggest as the lowest cost solution for this situation?
List some of the basic requirements for the data communications and networking required to support the business information needs? Discuss in scholarly detail. Your answer should be of 300 words.
List three reasons you might still want to prevent an outsider obtaining free network access by intruding into your wireless network.
you are asked to investigate and write a report on using Internet phone and the company's existing LAN to replace the company's PBX.
How taking a socio-technical perspective can be more productive in helping organizations manage information overload than either technical solutions or organizational solutions alone?
problems of IPV, DNS server software, TCP SYN attack, Ping of Death, Land attack, Teardrop attack, Smurf attack, Fraggle attack
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