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3. A host H is linked to Internet through fast Ethernet, and its IP address is 192.168.0.8. The server S's IP address is 211.68.71.80. H

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3. A host H is linked to Internet through fast Ethernet, and its IP address is 192.168.0.8. The server S's IP address is 211.68.71.80. H communicates with S based on TCP. Now 5 IP packets are caught in H. and their first 40 bytes in hexadecimal are shown in table 1 as follows, (Note: IP header size is only 20 bytes) Table 1. The 5 IP packets are caught in H. The first 40 bytes In IP packet (hex) No. 1 45 00 00 30 Ob de 13 a6 BO 06 Id ca 00 00 00 00 CO ad 00 08 70 02 43 20 3 44 47 50 5d bo 00 00 01 9b 40 00 84 6b 41 c5 DO OD 40 00 0 59 91 et 2 43 00 00 30 13 88 0b d9 31 De ce 83 44 E5 41 c 3 45 00 00 28 Ob d9 13 88 01 9c 40 00 84 6b 41 c 80 de 10 et eD 59 9f 10 63 44 47 50cD a8 OD 08 70 12 16 do 37 21 00 00 c0 98 00 08 03 44 47 50 50 10 43 80 2b 32 00 00 cab DO 00 d3 44 475 50 18 43 80 65 55 00 00 d3 44 47 50 CD a OD 08 50 10 16 00 57 d2 00 DO 4 45 00 00 36 Ob d9 13 88 01 od 40 00 84 66 41 CE 80 06 10 de e 59 of 10 5 45 00 00 28 13 a8 ob d9 68 11 40 00 c0 59 9f 10 31 06 06 70 84 6b 41 dB (2) According to table 1, please analyze how many application data (bytes) has been received by S? (3) If the first 40 hyles of some IP packcl in liblo 1 when initially sent by S is shown in table 2, how many routers are passed by this packet when arriving at H? Table 2. The IP packet when initially sent by S 68 11 40 00 e0 59 of fo Packets from S 45 00 00 28 13 88 a1 08 40 06 ee ad 84 6b 41 d6 d3 44 47 50 50 10 16 do ca 76 01 06 b7 d6 00 00

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