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Suppose two hosts, A and B, are separated by 20,000 kilometers and are connected by a direct link of R = 1 Mbps. Suppose the propagation speed over the link is 2.5 * 108 meters/sec.
1. What is the bandwidth-delay product, R * Tprop?2. What is the width (in meters) of a bit in the link?
What do you consider the single most important reason to pay attention to faulty terminations and excessive horizontal wiring spans? Why is it critical to label patch cables, ports, and data jacks?
How would you recommend the update to Star topology? What updates you would have about network hardware in order to move to 100BaseT?
Explain four different types of wireless technologies in a 350- to 700-word paper in APA format. Describe the characteristics and properties of each signal type, and how each can be used.
In second strategy, packets are not acknowledged individually, but the whole file is acknowledged when it arrives. Explain the two approaches.
A frame rate of 30 fps, and 8 bits for quantisation of each pixel. What is the required bandwidth for the transmission of the uncompressed video stream?
Suppose a propagation speed of 100 km/hour. Assume caravan travels 150 km, beginning in front of tollbooth. Calculate the end-to-end delay.
Describe how relative speed of 100BaseT LANs used at each location compares to accessing WAN link between two sites.
Dog can travel to your side, wherever you may be, at 18 km/hour. For what range of distances does dog have a higher data rate than 155 Mbps ATM line?
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?
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?
Average telephone is used to make four calls per 8-hour workday, with mean call duration of six minutes. Ten percent of calls are long distance. Determine maximum number of telephones an end office can support?
Define and describe the OSI model, TCP/IP protocol, File transfer protocol, or wireless workstation giving examples of its usage and explaining its' background and history
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