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GJS Enterprises has hired you as the productivity consultant. At present, they use six people who routinely exchange information by sneakernet. They wish cheapest possible solution and only minimal training for employees. Individual employees also should be able to control resources their own machines. Would you select peer-to-peer, a server-based, or a hybrid network? Explain why?
Find out the number of routers the university will require to connect all its buildings to internet (including the main router of the university). Sketch small diagram describing configuration you are suggesting.
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?
Define and explain the OSI model, TCP/IP protocol, File transfer protocol, or wireless workstation giving examples of its usage and explaining its' background and history
You are hired to design, program and implement the PCS system which management calls the Sales and Inventory Management System.
Given narrow (usable) audio bandwidth of telephone transmission facility, a nominal SNR of 56dB (400,000), and a distortion level of <0.2%. Determine actual maximum channel capacity?
Suppose users share a 1Mbps link. Also suppose each user requires 100Kbps when transmitting, but each user transmits only 20% of the time. When circuit switching is used, how many users can be supported?
Be sure to allow for spaces and punctuation between words. How long would it take to transmit the text over a T-1 line at 1.544Mbps and a fibre optic link at 2.488Gbps?
You are provided with some continuous signals for the number of sensors on a sensor array. The signals detect various categories of signals.
How many fram need to sent? Determine the size of data in each frame?
It is essential to encrypt it, by using solutions like PGP (Pretty Good Privacy), S/MIME (Secure Multi-Purpose Internet Message Exchange), and steganography. Research these different mechanisms.
Message length is distributed exponentially with mean length of 14,400 characters. Line speed is 9600 bps. Determine the mean waiting time in the switching center?
Utilize the following information to outline a new network security design. Employee breakdown; 2 partners, 28 accountants, 5 administrative assistants, 2 technology specialists, 1 human resources manager.
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