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For a 1-Gbps network operating over 5000 km, delay is limiting factor, not bandwidth. Consider the MAN with average source and destination 20 km apart. At what data rate does round-trip delay due to speed of light equal transmission delay for 1-KB packet? Suppose speed of light in fibre to be 2/3 speed of light in vacuum.
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.
Write authentication factor which is being used by the authenticating server which responds to login request by generating a random number or code.
Assuming you use a straight-through (not a crossover) cable, what port on hub A will you use to connect it to hub B?
Explain LAN topology design which will be used at each office, and give checklist of cabling specifications for cabling contractor.
Describe the differences between data, voice, and video signals in 200 to 300 words. Write a explanation comparing differences between PBX and VoIP.
Assuming that it is possible to protect the repository from attack, what are the disadvantages of this approach?
Users are familiar with some network services like HTTP (Hypertext Transport Protocol) - Web, NNTP (Network News Transport Protocol). How do they figure into organizational security?
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.
Create communication system (block diagram) which will permit transmission of these 4 sources over telephone channel using: Time division multiplexing by using PCM, suppose 8-bit samples.
Describe why an application developer might choose to run over TCP rather than UDP. Suppose host A is sending host B a large file over a TCP connection. If the acknowledge number for a segment of this connection is y, then the acknowledge number for ..
Design a remote access plan which meets requirements described so far. Your submission should include following. Details of your proposed remote access solution, including any hardware and/or software that would be needed.
After reading about attacks on servers like to ones used in one of company's departments, the CIO has asked you to come up with a report as to what.
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