HW1_solution

HW1_solution - 1) a) i. layout of connected devices, ii....

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Unformatted text preview: 1) a) i. layout of connected devices, ii. bus, ring, star, line, tree, mesh, fully-connected, iii., fullyconnected, but based on latency, bus, line or ring, iv. Ring: n, line: n-1, bus: one backbone and n drop lines, star: n-1, fully-connected n(n-1)/2, mesh: depends on topology b) i. Hub is the simplest and does not understand understanding. Bridges are more complicated and understand two layers. Routers are used to interconnect different networks and understand 3 layers. ii. iii. 10, iv. The ISP router will receive all the messages relayed by the hub c) Sharing one or more printers between clients that are connected through a network to increase efficiency. e) f) Bus is multi. The rest of are p2p. g) Data, sender, receiver, link, standards. A/A, D/D, A/D, D/A h) Satellite, PSTN 2) 40, 23, 10.3B, 40 3) Host name: ir1.fp.vip.mud.yahoo.com DNS servers ns3.yahoo.com [121.101.152.99] ns2.yahoo.com [68.142.255.16] ns1.yahoo.com [68.180.131.16] ns5.yahoo.com [119.160.247.124] ns4.yahoo.com [68.142.196.63] 74.125.227.17 4) 8.77ms, (L-b+n*L)/R 5) a) 2.93Mb b) 25.002ms 6) a) 4.096Mb. Yes, b) 300kb c) max # bits in link d) 23.3cm e) s/R f) 4.3 ms g) 40.3ms h)1.04s 7) a) 11.97ms b) 36.78 Mb c) 180 Gb ...
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