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Alice and Bob utilize Diffie-Hellman key exchange protocol with common prime modulus p = 11 and common base a = 2. Eavesdropper who knew p and noted that number Alice sent to Bob was yA = 9 and the number Bob sent to Alice was yB = 3.
a. Determine Alice's secret random number xA?
b. What was common secret key K generated for Alice and Bob by protocol?
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?
Host A wishes to send the large file to Host B. Path from Host A to Host B has three links, of rates R1=10 Mbps, R2=500 kbps, and R3=750 Kbps. (1Kbit=210bit) Suppose no other traffic in network, determine the throughput for file transfer?
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.
Describe what wireless network modulation schemes are and why they are essential in wireless networking. Choose one of the modulation schemes and sum-up it.
Host A can send application data into link at 100Mbps but Host B can read out of its TCP receive buffer at maximum rate of 50Mbps. Explain the effect of TCP flow control.
Although not explicity stated, the Internet Protocol(IP) specification,RFC 791, defines the minimum packet size a network technology must support to allow IP to run over it. Discuss the reasons for adopting that specific value.
How would you control the process by which IP addresses are assigned to individual computers? You will have to make some assumptions to answer both questions, so be sure to state your assumptions."
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What kinds of business applications would you deem significant in the networked business office? What kinds of network servers and resources.
How would the maturation of the industry worldwide impact your business strategy?
Describe how the greater reach of telecommunication networks today affects the security of resources which an organisation provides for its employees and customers.
Suppose you could multiplex these signals directly onto SONET STS-1 channel how many MP3 songs could be trasmitted simultaneously?
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