chapter 4 computer network

... into Networks • Reasons for grouping devices into sub-networks and define several terms used to identify the sub-networks – Geographic Học viện mạng Bách khoa - Website: www.bkacad.com 27 Network ... destination within a network or on another network with minimum overhead. • Reasons for grouping devices into sub-networks and define several terms used to identify the sub-networks – Ownership Grouping ... as it traverses unchanged via routers from sub network to sub- network. • Refer to 5.3.2.1 Học viện mạng Bách khoa - Website: www.bkacad.com 44 Hierarchical Addressing • Hierarchical addressing...

Ngày tải lên: 22/12/2013, 13:17

... 6 10 5 4. 69 4. 42 0.228 0.102 0.005 À 0.118 À0 .44 8 0.335 0.369 17 Reconstructed from 6 9 5 3.12 4. 51 0.2 14 0.078 0.010 À0.083 À0 .42 7 0.302 0.292 18 N 2 ¼ 0 Reconstructed from 7 6 5 3.58 4. 75 0.216 ... 0.216 0.129 0. 049 À0.112 À0.373 0.3 94 0.303 18 N 0 ¼ 5160 Reconstructed from 6 8 5 4. 43 4. 62 0.232 0.136 0.023 À0.113 À0 .43 4 0.391 0.317 17 N 0 ¼ 6160 Reconstructed from 6 6 5 3.67 4. 23 0.191 0.088 ... 6-4R-2R-1 5,000 25,000 1 0.69 1. 04 Ikeda 6-6R-5R-1 5,000 25,000 1 0.3 54 1.51 Lorenz 3-8R-7R-1 5,000 25,000 40 0. 040 2.09 NH 3 laser 9-10R-8R-1 1,000 9,000 1 a 0. 147 2.01 Sea clutter 6-8R-7R-1 40 ,000...

Ngày tải lên: 23/12/2013, 07:16

... requirements can be met 3. Provides a baseline from which to acquire, configure, and audit computer systems and networks for compliance with the policy Học viện mạng Bach Khoa - Website: www.bkacad.com Trust ... - Website: www.bkacad.com Học viện mạng Bach Khoa - Website: www.bkacad.com Open versus Closed Networks Học viện mạng Bach Khoa - Website: www.bkacad.com DDos Attacks Step 7: Leverage the Compromised ... www.bkacad.com DoS Attacks DoS: Smurf Attack Attacker Innocent/unprotected relays/amplifiers Victim A Network B, local broadcast B.* Dated 1998 Countermeasure: “isp-gw(config)# no ip directed-broadcast” Step...

Ngày tải lên: 16/03/2014, 08:20

... *  /  6  1*  /*  / 34                               ,+&,- Figure 4- 14: Domain name resolution 19                               %,,1#+&,- Figure ...  ""  4 ! /   !+-6 !; .! ./. ( /*  41                               $#$ +101E%E $7%#L&, %E$7%-  18 ...  (*  *"  "!  !/ 6   44                               %,&  ....

Ngày tải lên: 27/06/2014, 05:20

... guarantees application transport network data link physical application transport network data link physical network data link physical network data link physical network data link physical network data link physical network data ... link physical application transport network data link physical network data link physical network data link physical network data link physical network data link physical network data link physical l o g i c a l ... Transport Layer 3-1 Chapter 3 Transport Layer Computer Networking: A Top Down Approach Featuring the Internet , 3 rd edition. Jim Kurose, Keith Ross Addison-Wesley, July 20 04. A note on the...

Ngày tải lên: 27/06/2014, 16:20

... Multimedia Networking 7- 44 Chapter 7 outline ❒ 7.1 Multimedia Networking Applications ❒ 7.2 Streaming stored audio and video ❒ 7.3 Real-time Multimedia: Internet Phone study ❒ 7 .4 Protocols ... Multimedia Networking 7 -4 Chapter 7 outline ❒ 7.1 Multimedia Networking Applications ❒ 7.2 Streaming stored audio and video ❒ 7.3 Real-time Multimedia: Internet Phone study ❒ 7 .4 Protocols ... Rights Reserved Computer Networking: A Top Down Approach Featuring the Internet , 3 rd edition. Jim Kurose, Keith Ross Addison-Wesley, July 20 04. 7: Multimedia Networking 7- 48 RTP and QoS ❒ RTP...

Ngày tải lên: 27/06/2014, 16:20

... standard 1 2 3 4 5 6 9 Boolean Integer Bitstring Octet string Null Object Identifier Real Tag Value Type Network Management 9-2 Chapter 9: Network Management Chapter goals: ❒ introduction to network ... information ❒ Network management: more art than science ❍ what to measure/monitor ❍ how to respond to failures? ❍ alarm correlation/filtering? Network Management 9-1 Chapter 9 Network Management Computer ... administration ❒ presentation services: ASN.1 Network Management 9- 27 Network Management: summary ❒ network management ❍ extremely important: 80% of network “cost” ❍ ASN.1 for data description ❍ SNMP...

Ngày tải lên: 27/06/2014, 16:20

... 7) No 10: SEQ = 348 6 + 146 0 = 49 46 No 11: SEQ = 49 46 + 146 0 = 640 6 No 12: ACT = 348 6 (for No. 8) No 13: SEQ = 640 6 + 146 0 = 7866 No 14: ACT = 49 46 (for No. 10) No 15: ACT = 640 6 (for No. 11) No ... Windowing  Length = 146 0 No 1: SYN No 2: SYN. ACK No 3: ACK No 4: SEQ = 1 No 5: SEQ = 566 No 6: ACT = 566 (for No. 5) No 7: SEQ = 566 + 146 0 = 2026 No 8: SEQ = 2026 + 146 0 = 348 6 No 9: ACT = 2026 ... –More: http://support.microsoft.com/kb/1379 84  Port: 44 3: http protocol over TLS/SSL © 2006 Cisco Systems, Inc. All rights reserved. Cisco Public 14 Port Addressing: Identifying the Conversations ...

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Ngày tải lên: 13/08/2014, 02:21