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Suppose an ISP owns the block of addresses of the form 128.119.40.64/25. Suppose it wants to create four subnets from this block, with each block having the same number of IP addresses. What are the prefixes (of form a.b.c.d/x) for the four subnets?
When a message travels from source to destination through two routers, how many times the message M is modified before it reaches to the destination as M. Show your work to determine this number.
Can you run an ordinary TCP connection through the guard to pass it through the guard? Explain why/why not, and if not, what protocol can you use to move the data?
Describe how the greater reach of telecommunication networks today affects the security of resources which an organisation provides for its employees and customers.
Mobile user A transmits a 1, while Mobile user B transmits a 0. Show sum of the products that results and your calculations.
If each cell is to offer capacity which is 90% of perfect scheduling, determine maximum number of users which can be supported per cell where omnidirectional antennas are utilized at each base station.
Explain role of antennas in transmitting radio waves. What kind of antenna is typically used in wireless LAN?
Explain client/server architecture, including fat and thin clients, middleware and client/server tiers. Make use of Visio to prepare architecture diagrams that enhance your explanation.
As the data center manager for your organization, you have been asked by the CIO to provide a short presentation on the advantages and disadvantages of replacing old servers with new servers.
Explain best option for VPN access for employees to remotely access the Ocper, Inc. network and describe your reasoning.
What kinds of wireless WAN services are available today? What standards are involved with wireless WAN services? What kinds of issues might you encounter?
You have been asked to design the entire cabling system for a medical instrument manufacturer's new central warehouse. The company already has three buildings within two city blocks.
Write one-page proposal of how company can manage SNMP from corporate location. Include details on versions, basic operations, and MIBs. Describe the benefits of this kind of centralized monitoring.
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