semester 1 chapter 4 osi transport layer v 4 0 answers

... 15 16 Client Server 31 16-bit Source Port Number 16 -bit Destination Port Number 16 -bit UDP Length 16 -bit UDP Checksum Time Data (if any) Cumulative Sum: 11 0 01 0 1 01 1 0 01 0 10 1s complement: 0 01 1 01 0 10 01 1 01 0 1 ... 15 16 Client Server 31 16-bit Source Port Number 16 -bit Destination Port Number 16 -bit UDP Length 16 -bit UDP Checksum Time Data (if any) Cumulative Sum: 11 0 01 0 1 01 1 0 01 0 10 1s complement: 0 01 1 00 01 0 01 1 01 0 1 ... 0 01 1 01 0 10 01 1 01 0 1 Total: 11 111 111 111 111 11 UDP checksum provides error detection, any changed bits or missing segments Simplified explanation (see RFC 10 71 for more details): Sender UDP adds 16 bit...

Ngày tải lên: 01/04/2014, 12:20

... devices H c vi n m ng Bách khoa - Website: www.bkacad.com Transport Layer Role and Services • Explain the purpose of the Transport layer • Enables multiple applications • • to communicate over ... "best effort" by this Transport layer protocol H c vi n m ng Bách khoa - Website: www.bkacad.com 10 TCP Header format: H c vi n m ng Bách khoa - Website: www.bkacad.com 11 TCP Header format: Port ... www.bkacad.com 43 Labs H c vi n m ng Bách khoa - Website: www.bkacad.com 44 Summary H c vi n m ng Bách khoa - Website: www.bkacad.com 45 H c vi n m ng Bách khoa - Website: www.bkacad.com 46 ...

Ngày tải lên: 22/12/2013, 13:17

... 802 .11 b but with the bandwidth of 802 .11 a IEEE 802 .11 n - Is currently in draft form The proposed standard defines frequency of 2 .4 Ghz or GHz The typical expected data rates are 10 0 Mbps to 2 10 ... up to 54 • • • • • Mbps, small coverage area; less effective at penetrating building structures Not interoperable with the 802 .11 b and 802 .11 g standards IEEE 802 .11 b - Operates in the 2 .4 GHz ... speed up to 11 Mbps Longer range and better able to penetrate building structures than devices based on 802 .11 a IEEE 802 .11 g - Operates in the 2 .4 GHz frequency band, speed up to 54 Mbps Devices implementing...

Ngày tải lên: 22/12/2013, 13:17

... Website: www.bkacad.com 11 Network Layer Fields • bits • Indicates version of IP used • IPv4: 01 0 0; IPv6: 01 1 0 H c vi n m ng Bách khoa - Website: www.bkacad.com 12 Network Layer Fields • • bits ... H c vi n m ng Bách khoa - Website: www.bkacad.com 10 IPv4 packet header • Identify the major header fields in the IPv4 protocol and describe each field's role in transporting packets H c vi n ... 5 .1. 1 ) H c vi n m ng Bách khoa - Website: www.bkacad.com Network Layer Protocols • Protocols implemented at the Network layer that carry user data include: – Internet Protocol version (IPv4)*...

Ngày tải lên: 22/12/2013, 13:17

... hệ thống tăng từ 10 % đến 90% giá trị xác lập  Thời gian đỉnh (peak time) thời gian để đáp ứng hệ thống đạt giá trị đỉnh (giá trị lớn nhất) độ v t lố  Độ v t lố lớn (maximum overshoot) giá trị ... sR( s ) ess = lim sE ( s ) = lim s 0 s 0 + G ( s) H ( s )  Nhận xét: Sai số xác lập không phụ thuộc v o cấu trúc thông số hệ thống mà phụ thuộc v o tín hiệu v o System and Control Ngo Quang Hieu ... xác lập (tín hiệu hồi tiếp) thời gian tiến đên v e(t ) = c (t ) − r (t ) ⇔ E ( s ) = C ( s ) − R ( s ) ⇒ ess = lim e(t ) = lim sE ( s ) t →∞ s 0 Biểu thức sai số xác lập  Cho hệ thống có sơ...

Ngày tải lên: 12/12/2013, 16:15

... regional service, pay Teir -1 for connectivity Tier-3 providers: Provide service directly to end users, usually connected through Tier-2 providers 43 Quality of Service 44 Quality of Service 45 QoS ... easy to 10 Networks Supporting the Way We Live http://www.youtube.com/watch ?v= CQzUsTFqtW0 Today’s networks carry between many different types of devices: Voice video streams Text graphics 11 The ... physical limitations become less relevant 12 Networks are integral in our daily lives http://www.youtube.com/watch? v= fQKNvPn 3V8 &mode=related&search= 13 14 Examples of Today’s Popular Communication...

Ngày tải lên: 01/04/2014, 12:20

... (coming) 17 -Jul -12 CCNA Exploration Semester 34 Routing – First Look Network 19 2 .16 8 .1. 0/ 24 Network 19 2 .16 8.2 .0/ 24 19 2 .16 8 .1. 2 54/ 24 C 19 2 .16 8.2 .0/ 24 is direction connected, FastEthernet0 /1 Routers ... not have remote networks in their routing tables 17 -Jul -12 CCNA Exploration Semester 33 Routing – First Look Network 19 2 .16 8 .1. 0/ 24 Network 19 2 .16 8.2 .0/ 24 19 2 .16 8 .1. 2 54/ 24 C 19 2 .16 8.2 .0/ 24 is ... Exploration Semester 18 IP Fragmentation Original IP Packet IP Data = 14 80 bytes IP Header = 20 bytes IP Packet Fragments IP Data = 500 IP Data = 500 IP Data = 48 0 L2 Data = 5 20 L2 L2 Data = 5 20 L2...

Ngày tải lên: 01/04/2014, 12:20

... 10 100 000 19 2 .16 8 .1. 48 19 2 .16 8 .1. 176 0 01 1 00 00 10 1 10 00 0 19 2 .16 8 .1. 64 19 2 .16 8 .1. 192 01 0 00 000 11 00 000 0 19 2 .16 8 .1. 80 19 2 .16 8 .1. 208 01 0 100 00 11 01 0 00 0 19 2 .16 8 .1. 96 19 2 .16 8 .1. 2 24 01 1 00 000 11 100 000 19 2 .16 8 .1. 112 ... 19 2 .16 8 .1. 64 19 2 .16 8 .1. 96 19 2 .16 8 .1. 128 19 2 .16 8 .1. 1 60 19 2 .16 8 .1. 192 19 2 .16 8 .1. 2 24 255.255.255.2 24 00 000 000 0 01 0 00 00 01 0 00 000 01 1 00 000 10 00 000 0 10 100 000 11 00 000 0 11 100 000 11 100 000 43 Subnetting 19 2 .16 8 .1. 0/ 24 ... Convert to 8-bit binary 248 11 111 00 0 18 7 10 111 01 1 89 01 0 1 10 01 Convert to decimal 0 01 1 01 0 0 52 01 0 1 01 0 1 85 11 0 01 1 11 207 23-Jul -12 11 IPv4 address 19 2 16 8 21 17 11 00 000 0 10 1 01 0 00 00 01 0 1 01 00 01 0 00 1...

Ngày tải lên: 01/04/2014, 12:20

Ngày tải lên: 06/07/2014, 00:21

Ngày tải lên: 06/07/2014, 02:20

Ngày tải lên: 07/07/2014, 03:20

Ngày tải lên: 07/07/2014, 05:20

... subcriber-id string aabb 11 relay agent information relay-information hex 00 000 000 000 000 000 000 000 000 000 006 616 16262 313 1 mask fffffffffffffffffffffffffffffff 000 000 000 000 0 ! ip dhcp class C2 relay ... hex 00 000 000 000 000 000 000 000 000 000 006 313 16262 616 1 mask fffffffffffffffffffffffffffffff 000 000 000 000 0 ****************************************************************************************** Verification ... gi3 /0/ 0 /0 primary NPE12 fa1 /0 .4 ge2 /4. 2 backp gi3 /0/ 0 /11 ge1/3 .4 72a fa1 /0. 2 NPE 14 ge1/3.2 19 1978 Figure 4- 3 This is the configuration at NPE 10: interface ge2 /4. 4 description npe 10 to npe 11 gi3 /11 ...

Ngày tải lên: 25/01/2014, 11:20

... states of the first 12 interfaces and ports of each switch Switch A Port # Switch B 10 11 12 2 -4 CCNA 3: Switching Basics and Intermediate Routing v 3 .0 - Lab 7.2.6 Copyright  200 3, Cisco Systems, ... privileged EXEC mode prompt Note: Type show spanning-tree brief if running version 12 .0 of the IOS If running version 12 .1 of the IOS, type just show spanning-tree Different versions of IOS have ... exit, and turn all the devices off Then remove and store the cables and adapter 4- 4 CCNA 3: Switching Basics and Intermediate Routing v 3 .0 - Lab 7.2.6 Copyright  200 3, Cisco Systems, Inc ...

Ngày tải lên: 11/12/2013, 14:15

... Overview • Describe how the functions of the three upper OSI model layers • • • • • • provide network services to end user applications Describe how the TCP/IP Application Layer protocols provide ... www.bkacad.com OSI model H c vi n m ng Bách khoa - Website: www.bkacad.com OSI model H c vi n m ng Bách khoa - Website: www.bkacad.com OSI and TCP/IP Model • Functionality of the TCP/IP application layer ... of the top three layers of the OSI model: Application, Presentation and Session layers H c vi n m ng Bách khoa - Website: www.bkacad.com OSI and TCP/IP Model • The Presentation layer has three...

Ngày tải lên: 12/12/2013, 14:15

... networks each have their own individual versions of the four basic network elements H c vi n m ng Bách khoa - Website: www.bkacad.com Converged Networks Converged networks • Technology advances are ... individuals, and to support education, science, and government Play video to watch how the Internet, and its underlying technology, brings opportunities to people wherever they live or work H c vi ... the Way We Live • Data networks that were once the transport of information from business to business have been repurposed to improve the quality of life for people everywhere H c vi n m ng Bách...

Ngày tải lên: 12/12/2013, 14:15

... SQL Server as far back as version SQL Server 200 0 up through SQL Server 200 8 Microsoft even supports SQL Server Compact Edition 12 CHAPTER ■■■ The Entity Data Model Chapter spent quite a bit ... database-first approach has been available since the very beginning of the EF with the release of NET 3.5 SP1 The model-first approach is new to Visual Studio 2 01 0 and NET 4. 0 and allows you to create ... http://msftdbprodsamples.codeplex.com/Release/ProjectReleases.aspx?ReleaseId =18 40 7 So, let’s begin 13 CHAPTER ■ THE ENTITY DATA MODEL Taking a Database-First Approach Fire up Visual Studio 2 01 0 and create a new Windows Forms Application...

Ngày tải lên: 18/06/2014, 17:20

... Figure 4. 6 © 200 9 by Taylor & Francis Group, LLC Flocculation, Settling, Deposition, and Consolidation Median Floc Diameter (µm) 12 0 11 1 10 0 s 1 100 s 1 100 200 s 1 80 200 s 1 60 40 0 s 1 40 0 s 1 40 ... 11 3 200 Median Floc Diameter (µm) 16 0 10 mg/L 12 0 50 mg/L 80 10 0 mg/L 40 40 0 mg/L 800 mg/L 0 40 80 Time (min) 10 0 FIGURE 4. 8 Median floc diameter as a function of time for a fluid shear of 200 /s ... 200 9 by Taylor & Francis Group, LLC 12 4 Sediment and Contaminant Transport in Surface Waters Settling Speed ws (µm/s) 10 4 10 3 ws = 0 . 14 5d1.58 Concentration (mg/L) 50 10 0 200 10 2 10 10 2 10 3 10 4...

Ngày tải lên: 18/06/2014, 22:20

... Example: add two 16 -bit integers 1 1 0 1 0 1 0 1 1 1 1 1 1 wraparound 1 1 1 1 1 1 sum 1 1 1 1 1 1 0 checksum 1 0 0 0 0 1 Transport Layer 3- Chapter outline Ì 3 .1 Transport- layer services Ì 3.2 Multiplexing ... RTT + L / R = 1KB pkt every 30 msec -> 33kB/sec thruput over Gbps link network protocol limits use of physical resources! 00 8 30. 008 = 0. 000 27 microsec onds Transport Layer 3- rdt3 .0: stop-and-wait ... rdt_rcv(rcvpkt) && rdt_rcv(rcvpkt) && notcorrupt(rcvpkt) && isACK(rcvpkt) Wait for call from above rdt_rcv(rcvpkt) && notcorrupt(rcvpkt) && isACK(rcvpkt) Λ rdt_rcv(rcvpkt) && ( corrupt(rcvpkt)...

Ngày tải lên: 27/06/2014, 16:20