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Computer Dynamics is a microcomputer software development company that has a 300-computer network. The company is located in three adjacent ?ve-story buildings in an of?ce park, with about 100 computers in each building. The current network is a poorly designed mix of Ethernet and token ring (Ethernet in two buildings and token ring in the other). The networks in all three buildings are heavily overloaded, and the company EXERCISES 467 anticipates signi?cant growth in network traf?c. There is currently no network connection among the buildings, but this is one objective in building the new network. Describe the network you would recommend and how it would be con?gured with the goal of building a new network that will support the company's needs for the next 3 years with few additional investments. Be sure to include the devices and type of network circuits you would use. You will need to make some assumptions, so be sure to document your assumptions and explain why you have designed the network in this way.
Assume that no packet or acknowledgement are dropped. Assume that A sends a packet to C and waits for its acknowledgement to come back from C. How long does it take until A gets that acknowledgement?
Describe the difference between MAC Destination Address in Ethernet header and one found in ARP payload.
Determine the Internet bandwidth needs of the medical group and determine the possible providers and expected cost or range of costs for such service.
Let N users participating in audio/video conference by using IP multicasting. How many distinct SSRCs are required?
Suppose a subnet with prefix 128.119.40.128/26. Provide an example of one IP address (of the form xxx.xxx.xxx.xxx) which can be allocated to this network.
Terminal A is sending data to terminal B using a sliding window protocol with the window size equal to 5 and the maximum sequence number equal to 6.
Describe its physical layer standard this access method should rely on. What types of infrastructure upgrades are necessary to implement your suggested network?
Explain the purposes of POE in WLAN design. Provide at least 3 scenarios of POE being used as the prime element in WLAN design to address the projects cost
Explain to your team the differences between routers and switches. Compare them and list the pros and cons of using each type of hardware.
Describe in scholarly detail status of 3G and 4G network technologies and even challenge yourself to find out any research on future of 5G technology.
From RFC 1034, DNS domain names are composed of labels. Are there any labels which nodes are not allowed to allot to their data? If so, what are they?
As security manager at XYZ Corporation, you are responsible for managing intrusion detection environment. If you were given the ability to build the environment from scratch, would you use network based IDS, host based IDS, or a combination?
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