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Deduce the expression for link utilization U of a data link that uses the sliding-window flow control and returns an ACK for every OTHER frame received. Assume error free transmission. Link length is d, propagation velocity is v, frame size is L, and window size is W.
Assume Host A wishes to send large file to Host B. Path from Host A to Host B has three links, of rates R1=500kbps, R2=2Mbps, and R3=1Mbps. Suppose no other traffic in network, Determine the throughput for file transfer.
When people describe client-server architecture, they are usually referring to a system in which a large server is serving a client on a PC. With X Window, the reverse is frequently the case. Explain
Iif both C1 and C2 at time t0 have congestion window of 10 segments what are their congestion window size after 2200 msec
How long does it take to send a file of 640,000 bits from host A to host B over a circuit-switched network? All links are 1.536 Mbps Each link uses FDM.
What size of packet will result in the last bit being transmitted just as the first bit of the packet arrives at the "far end" of the cable?
Assuming you use a straight-through (not a crossover) cable, what port on hub A will you use to connect it to hub B?
It asks ISPs to disclose actual identities of these people. Should the ISPs comply with this request. Describe your reasoning
Explain how the relative speed of the 100BaseT LANs used at each location compares to accessing the WAN link between the two sites.
Assume it wishes to create four subnets from this block, with each block having same number of IP addresses. Determine the prefixes (of form a.b.c.d/x) for four subnets?
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?
Write down the tools and processes for scanning and removing possible vulnerabilities?
From RFC 1034, DNS domain names are composed of labels. Are there any labels which nodes are not allowed to allot to their data? If so, what are they?
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