ccna 1 chapter 5 osi network layer

... Receiver 1500 bytes - Sequence number 1 >> Receive 1- 1500 1500 bytes - Sequence number 1501 >> Receive 1501 - 3000 Receive Acknowledge =&£ Acknowledgement number 3001 1500 bytes ... 1500 bytes Sequence number 1 vt >> Receive 1501 - 3000 1500 bytes Sequence number 1501 yt >> Receive 1501 - 3000 Receive Acknowledge ~<& Acknowledgement number 3001 1500 ... *snee : 2126 192.168.0.2:netbios-ssn ESTABLISHED TCP kenpc : 3158 207.138.126.152:http ESTABLISHED TCP kenpc :3159 207.138.126.169:http ESTABLISHED C:\> 24 Trang 25Transport Layer Role and

Ngày tải lên: 22/12/2013, 13:17

... over a 56-Kbps WAN circuit  Load = 5 x 10 x 1,024 = 51,200 bps  Utilization = 51,200/56,000 = 91.4%  Average number of packets in queue = (0.914)/(1-0.914) = 10.63 packets Trang 45Hochiminh ... Trang 60Discontiguous Subnets Area 1 Subnets 10.108.16.0 - 10.108.31.0 Area 0 Network 192.168.49.0 Area 2 Subnets 10.108.32.0 - 10.108.47.0 Trang 61Hochiminh City University Of Technology ... Engineering © 2014 Computer Networks 2 Chapter 5: Network Design 11 Top-Down Network Design  Phase 2 – Logical Network Design Trang 12Top-Down Network Design  Phase 3 – Physical Network Design

Ngày tải lên: 26/11/2016, 02:11

... điều kiện về pha và biên Trang 15Phương pháp quỹ đạo nghiệm số Thí dụ 1 (cont)  Nhận xét Trang 16Phương pháp quỹ đạo nghiệm số Thí dụ 1 (cont)  Nhận xét Trang 17Phương pháp quỹ đạo nghiệm ... hoặc1 G s H s( ) ( ) 0  G s H s ( ) ( ) 1  Điều kiện biên độ: G s H s ( ) ( ) 1  Điều kiện pha: G s H s( ) ( )  180 (2 1), 0 l  l  0,1, 2,  Lưu ý: G(s)H(s) được gọi là hàm truyền ... thay đổi3 ( 1)( 2)( 4)( 5) s K  Trang 5H(s) E(s)Điều kiện pha và biên độ  Cho hệ thống có sơ đồ khối như sau: ( ) 1 ( ) ( ) C s G s R s  G s H s  Phương trình đặc trưng: hoặc1 G s H s(

Ngày tải lên: 12/12/2013, 16:15

... Trang 1 E, Pnillips Oppenheim BOOK 1 CHAPTER S THE MARQUIS OF ARRAN MORE They had met almost on the steps of his office, ... to hear it," Grooks answered “Shall I put you down on the list ‘to be fetched’?" Trang 11The Marquis laughed “YH come without,” be declared "I promuse Just remind me of the day.” ... comfortable corner, and took her wet umbrella and cape away "I believe," he said, sitting down opposite her, “that [have saved your life.” "Then [am not sure,” she answered, “that [feel grateful

Ngày tải lên: 06/07/2014, 02:20

... lion Then it throws its rider, and you have 1642 in England and 1789 in France; and sometimes it devours him, and you have in England 1649, and in France 1793 That the lion should relapse into the ... that is all that is asked of the sovereign of England He receives for that nothing £1,250,000 a year In 1705, England which had had but thirteen men of war under Elizabeth, and thirty-six under ... and fifty in her fleet The English had three armies, 5,000 men in Catalonia; 10,000 in Portugal; 50,000 in Flanders; and besides, was paying £1,666,666 a year to monarchical and diplomatic Europe,

Ngày tải lên: 07/07/2014, 05:20

... link layer services  error detection, correction  multiple access protocols and LANs  link layer addressing, ARP  specific link layer technologies: Trang 25: DataLink Layer 5a-2Link Layer: ... robustness (e.g., to channel errors) • performance Trang 145: DataLink Layer 5a-14Multiple Access protocols all the time Trang 15MAC Protocols: a taxonomyThree broad classes:  tightly coordinate ... resorting to retransmission Trang 65: DataLink Layer 5a-6Link Layer: Implementation interface, and link interface application transport network link physical network link physical MMMM adapter

Ngày tải lên: 04/12/2015, 20:37

... Computer Networks 2 Chapter 5: Network Design 172.16.10.2 172.16.30.2 172.16.50.2 172.16.20.1 172.16.40.1 172.16.10.1 172.16.30.1 172.16.50.1 172.16.20.2 172.16.40.2 Trang 50Hochiminh City University ... Technology Computer Networks 2 Default Routing Example 172.16.10.2 172.16.30.2 172.16.50.2 172.16.20.1 172.16.40.1 172.16.10.1 172.16.30.1 172.16.50.1 172.16.20.2 172.16.40.2 Trang 51Hochiminh City ... subnet? Trang 31Hochiminh City University Of Technology Computer Science & Engineering © 2014 Computer Networks 2 Chapter 5: Network Design 31 One More  Network is 192.168.55.0  You want

Ngày tải lên: 26/11/2016, 02:12

... “hardware layer” Trang 14OSI Model Layer MnemonicsPresentation People Pizza Trang 15Packet Assembly and Disassembly Process Trang 16Windows NT and OSITrang 17Software and ProtocolsTrang 18Windows ... Integrated Voice/Data Networks 802.10 Network Security 802.11 Wireless Network 802.12 Demand Priority Access LAN, 100BaseVG-AnyLAN 802.13 Unused Trang 22Project 802 LLC and MAC Sublayers Trang 23Project ... error-checking information  Put data on the network and send it Trang 4Seven-Layer OSI ModelTrang 5OSI Layer RelationshipsTrang 6Application Layer (7) Topmost layer  Represents services that directly

Ngày tải lên: 15/05/2017, 14:44

... another LANR 1A-23-F9-CD-06-9B 222.222.222.220 111.111.111.110 E6-E9-00-17-BB-4B CC-49-DE-D0-AB-7D 111.111.111.112 111.111.111.111 A74-29-9C-E8-FF-55 222.222.222.221 88-B2-2F-54-1A-0F B 222.222.222.222 ... IP datagram with source A, destination B  A uses ARP to get R’s MAC address for 111.111.111.110  A creates link-layer frame with R's MAC address as dest, frame contains A-to-B IP datagram  ... MAC address  R creates frame containing A-to-B IP datagram sends to B R 1A-23-F9-CD-06-9B 222.222.222.220 111.111.111.110 Trang 47“dominant” wired LAN technology:  cheap $20 for NIC  first

Ngày tải lên: 11/01/2020, 00:30

... Trang 16100 meters IEEE 802.3 10-Mbps Ethernet 2 multimode optical fibers 10Broad36 Trang 17100BaseT 100BaseT2 100BaseT4 4 pairs Category-3 or better UTP 100 meters IEEE 802.3 100-Mbps ... better UTP 100 meters 100BaseX Trang 181000BaseX 2 multimode optical fibers using shortwave laser optics 550 meters 2 multimode or single-mode optical fibers using longwave Trang 1910GBase ... Trang 1Chapter 5.3: Network Design NGUYỄN CAO ĐẠT E-mail:dat@hcmut.edu.vn Trang 2Outline campus networks enterprise networks  Testing, Optimizing, and Documenting the Network Design

Ngày tải lên: 26/11/2016, 02:14

... Trang 1Chapter 5 - RIP version 1CCNA Exploration version 4.0 Trang 2of the RIPv1 protocol • Verify proper RIPv1 operation summarization propagated in a routed network implementing RIPv1 Trang ... RIPv1 Configuration• A typical topology suitable for use by Trang 11• Router RIP Command– Router rip at the global configuration prompt configuration mode Basic RIPv1 Configuration Trang 12• ... Troubleshooting Trang 17• Passive interfacesVerification and Troubleshooting Trang 18Automatic Summarization Trang 19• Boundary Routers• RIP automatically summarizes classful networks major network to another

Ngày tải lên: 28/07/2014, 18:21

... Bold 8.0.0.0 00001000 00000000 00000000 00000000 130.4.0.0 10000010 00000100 00000000 00000000 199.1.1.0 11000111 00000001 00000001 00000000 Trang 16The Actual Class A, B, and C Network NumbersMany ... 127.0.0.0 (still available for use as the loopback address) are reserved Networks 128.0.0.0, 191.255.0.0, 192.0.0.0, and 223.255.255.0 also are reserved. Memorizing the contents of Table 5-5 ... 168.1.1.1, the first octet is 168, the second octet is 1, and so on The range of decimal numbers numbers in each octet is between 0 and 255, inclusive Trang 13IP Addressing Fundamentals 121Finally,

Ngày tải lên: 13/08/2014, 13:21

... antenna bandwidth is obtained when the two transitions steps are used -40 -35 -30 -25 -20 -15 -10 -5 0 W2=14mm W2=16mm W2=20mm Fig 4 Effects of step width 6.4 Results and discussion After taking ... -10 0 -30 -20 -10 0 -30 -20 -10 0 -30 -20 -10 0 Trang 13(a) H-plane at 3.5 GHz (b) H-plane at 9.5 GHz Fig 7 The simulated and measured radiation patterns in the H-plane (a) E-plane at 3.5 ... impedance matching to a certain extent -35 -30 -25 -20 -15 -10 -5 0 at the high frequencies range, because the two steps influence the coupling between the Trang 10radiator and the ground plane Thus,

Ngày tải lên: 21/06/2014, 14:20

... Trang 1NETWORK+ GUIDE TO NETWORKS, FOURTH EDITION Chapter 5 Networking Hardware Trang 2OBJECTIVES  Identify the functions of LAN connectivity hardware  Install and configure a NIC (Network ... Specified 16-bit interface running at 8 MHz  CardBus: 32-bit interface running at 33 MHz  ExpressCard: 26-pin interface, offering data transfer rates of 250 MBps in each direction Trang 11 USB 1.1, ... (DIP) switch indicates parameter setting Trang 17INSTALLING AND CONFIGURING NIC HARDWARE (CONTINUED) Figure 5-11: Installing a PCMCIA-standard NIC Trang 18 Must ensure that correct device driver

Ngày tải lên: 27/06/2014, 05:20

... transport layer in the OSI model does Trang 1414 Version 3.0Comparing OSI and TCP/IP The OSI model is used as a guide for understanding the communication process Trang 15• Each computer in a TCP/IP network ... TCP/IP model has four layers: The Application layer, Transport layer, Internet layer, and Network Access layer. TCP/IP Model Trang 44 Version 3.0Application Layer • The application layer of the TCP/IP ... Version 3.0Network Access Layer • The network access layer is also called the host-to-network layer • It includes the LAN and WAN technology details Trang 13Comparing OSI and TCP/IPthough they include

Ngày tải lên: 27/06/2014, 19:20

... (usually the size of a thick credit card) are connected Figure 1-5 shows a PC card adapter for a wireless local-area network (WLAN) Figure 1-5 PC Card Lab Activity PC Hardware This lab helps you become ... that connects the local network to other networks can be accessed ■ ping remote destination IP address—Verifies connectivity to a remote host. Figure 1-9 ping 127.0.0.1 Web Browsers and Plug-Ins ... a network, consider the following: ■ Type of network—Different types of networks use different types of NICs For example, Ethernet NICs are designed for Ethernet LANs Some other types of networks

Ngày tải lên: 04/07/2014, 18:20

... Trang 1OSI Network LayerNetwork Fundamentals – Chapter 5 Trang 2– Examine the most common Network layer protocol, Internet Protocol (IP), and its features ... Data Link layer passes the MTU to the Network layer –The Network layer then determines how large to create the packets ƒ In some cases, an intermediary device usually a router Trang 11-IP V4 Packetƒ ... 25Why Separate Hosts into Networks? – Hierarchical Addressingnetworks over internetworks, Network layer addressing schemes are hierarchical. ƒ Using hierarchical addressing means that the layer

Ngày tải lên: 05/07/2014, 00:20

... 802 .11 b and 802 .11 g standards IEEE 802 .11 b - Operates in the 2.4 GHz frequency band, speed up to 11 Mbps Longer range and better able to penetrate building structures than devices based on 802 .11 a ... 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 210 Mbps with a distance ... 802 . 15 - Wireless Personal Area Network (WPAN) standard, commonly known as "Bluetooth", uses a device pairing process to communicate over distances from to 10 0 meters • Standard IEEE 802 .16 -...

Ngày tải lên: 22/12/2013, 13:17

... First Look Network 19 2 .16 8 .1. 0/24 Network 19 2 .16 8.2.0/24 19 2 .16 8 .1. 254 /24 C 19 2 .16 8.2.0/24 is direction connected, FastEthernet0 /1 Routers know about: Directly connected networks (C): Network addresses ... that network This is just like a host that is configured with an IP address/mask (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 ... decimal Network part then host part Here network part (prefix) is 24 bits /24 Length of network part can vary 17 -Jul -12 CCNA Exploration Semester 27 Message to same network 17 -Jul -12 CCNA Exploration...

Ngày tải lên: 01/04/2014, 12:20

... Overview • • • • • • Describe how networks impact our daily lives Describe the role of data networking in the human network Identify the key components of any data network Identify the opportunities ... computer data 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 ... these disparate networks onto one platform - a platform defined as a converged network H c vi n m ng Bách khoa - Website: www.bkacad.com Converged Networks • • Intelligent Information Networks: The...

Ngày tải lên: 12/12/2013, 14:15