Network interface layer

Xem 1-20 trên 37 kết quả Network interface layer
  • Network Interface LayerEthernet: Là giao thức mạng phổ biến nhất hiện nay. Tốc độ chuẩn cho hệ thống Ethernet hiện nay là 100Mbps . Mỗi máy Ethernet, hay còn gọi là máy trạm , hoạt động độc lập với tất cả các trạm khác trên mạng. Tín hiệu Ethernet được gửi theo chuỗi , từng bit một , qua đường trung gian tới tất cả các trạm thành viên. Để gửi dữ liệu trước tiên trạm cần lắng nghe xem kênh có rỗi không , nếu rỗi thì mới gửi đi các gói ( dữ liệu)....

    ppt57p chipheo_hightech 19-09-2010 119 22   Download

  • Networking Hardware Identify the functions of LAN connectivity hardware Install and configure a NIC (Network Interface Card) Identify problems associated with connectivity hardware Describe the factors involved in choosing a NIC, hub, switch, or router Discuss the functions of repeaters, hubs, bridges, switches, routers, and gateways, and the OSI Model layers at which they operate Describe the use and types of routing protocols

    ppt48p itvovantien 13-07-2012 72 10   Download

  • Chapter summary: The network topology is the pattern used to connect computers and other devices with the cable or other network medium; the three primary LAN topologies are bus, star, and ring; UTP cable in the star topology is the most common network medium used today; a network interface adapter provides the interface that enables a computer to connect to a network; the network interface adapter and its driver implement the data-link layer protocol on the computer; hubs are devices that connect computers on a star or ring network.

    pdf7p tangtuy08 21-04-2016 32 1   Download

  • The system’s architecture is based on an original design that constitutes a vNIC, a physical network interface card (pNIC), and a software. The vNIC creates the virtual host, while the relay system manages the software. Thus, pNIC provides an interface between the physical layer and the software layer. Finally, we conduct empirical testing of the proposed system’s viability using real-life Internet-based research. The results show that our proposed system performs effectively and has good operability.

    pdf12p blossom162 31-03-2019 17 0   Download

  • Chapter 2 - Network hardware. The layered model that dominated data communication and networking literature before 1990 was the Open Systems Interconnection (OSI) model. Everyone believed that the OSI model would become the ultimate standard for data communications - but this did not happen. The TCP/IP protocol suite became the dominant commercial architecture because it was used and tested extensively in the Internet; the OSI model was never fully implemented. In this chapter, we first briefly discuss the OSI model and then we concentrate on TCP/IP as a protocol suite.

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  • This book helps newcomers get started with a look at the basics of network programming as they relate to C#, including the language s network classes, the Winsock interface, and DNS resolution. Table of Contents C# Network Programming Introduction Part I - Network Programming Basics Ch apt - The C# Language er 1 Ch apt - IP Programming Basics er 2 Ch apt - C# Network Programming Classes er 3 Ch apt - DNS and C# er 4 Part II - Network Layer Programing Ch apt - Connection-Oriented Sockets er 5 Ch apt - Connectionless Sockets er 6 Ch apt...

    pdf663p khanh1103 23-11-2012 104 25   Download

  • The increasing percentage of digital designers and digital layout experts in the engineering population reflects the directions that our industry is headed. Although the emphasis on digital design is providing significant advances in electronics end products, there is still and will always be a portion of circuit design that interfaces with the analog or real world. There is some similarity in layout strategies between these two domains, but the differences can make an easy circuit layout design less than optimum when trying to achieve good results.

    pdf32p beobobeo 01-08-2012 67 3   Download

  • The main contents of this chapter include all of the following: Layer 1 provides the physical media and its encoding, layer 2 devices provide an interface with the physical media, the network layer provides connectivity and path selection between two host systems,... Inviting you to refer.

    ppt39p youcanletgo_02 07-01-2016 28 2   Download

  • Chapter 2 - Application layer. In this chapter we study the conceptual and implementation aspects of network applications. We begin by defining key application-layer concepts, including network services required by applications, clients and servers, processes, and transport-layer interfaces. We examine several network applications in detail, including the Web, e-mail, DNS, and peer-to-peer (P2P) file distribution.

    ppt107p tangtuy17 05-07-2016 36 1   Download

  • Chapter 6 - Network layer protocols. Chapter summary: Network layer protocols are responsible for end-to-end communications across the network; IP is a connectionless protocol that encapsulates transport layer data into datagrams; IPX is a proprietary standard that performs routing, addressing, and protocol identification; NetBIOS Extended User Interface (NetBEUI) is used by small Windows networks for LAN networking; AppleTalk provides basic networking to small networks.

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  • TCP/IP Quick Guide TCP Services UDP Services IRC Internet Relay Chat DCAP Data Link Switching Client Access Protocol DHCP Dynamic Host Configuration Protocol BOOTP Bootstrap Protocol NTP Network Time Protocol TFTP Trivial File Transfer Protocol ICP Internet Cache Protocol OSI MODEL Layer 7: Application Layer  HTTP HyperText Transfer Protocol Gopher TELNET Virtual Terminal POP3 Post Office Protocol Finger FTP File Transfer Protocol SMTP Simple Mail Transfer Protocol IMAP Internet Message Access Protocol NNTP Network News Transfer Protocol Defines interface to user pr...

    pdf4p thuancrazy02 15-12-2009 239 121   Download

  • The Data-over-Cable Service Interface Specification (DOCSIS)is an international standard developed by CableLabs, a non-profit research and development consortium for cable-related technologies. • DOCSIS specifies the OSI Layer 1 and Layer 2 requirements: Physical layer-For data signals that the cable operator can use, DOCSIS specifies the channel widths (bandwidths of each channel) as 200 kHz, 400 kHz, 800 kHz, 1.6 MHz, 3.2 MHz, and 6.4 MHz. DOCSIS also specifies modulation techniques (the way to use the RF signal to convey digital data).

    pdf47p mrdvad11 12-03-2013 118 52   Download

  • A modem computer consists of one or more processors, some main memory, disks, printers, a keyboard, a mouse, a display, network interfaces, and various other input/output devices. All in all, a complex system. If every application programmer had to understand how all these things work in detail, no code would ever get written. Furthermore, managing all these components and using them optimally is an exceedingly challenging job.

    pdf1076p ntcong91 27-02-2013 76 18   Download

  • Frame Relay is a standardized wide area network technology that specifies the physical and logical link layers of digital telecommunications channels using a packet switching methodology. Originally designed for transport across Integrated Services Digital Network (ISDN) infrastructure, it may be used today in the context of many other network interfaces. Network providers commonly implement Frame Relay for voice (VoFR) and data as an encapsulation technique, used between local area networks (LANs) over a wide area network (WAN).

    pdf0p tengteng16 28-12-2011 63 9   Download

  • CDP discovers and shows information about directly connected Cisco devices, including routers and switches. CDP is a Cisco proprietary protocol that runs at the data link layer of the OSI model. The data link layer is Layer 2 of the OSI model. This allows devices that may be running different network Layer 3 protocols, such as IP or IPX, to learn about each other. CDP begins automatically upon a device system startup. However, if Cisco IOS Release 10.3 or a newer version is used, CDP must be enabled on each of the device interfaces. Enable CDP by using the cdp enable command.

    pdf6p thanhha 27-08-2009 122 7   Download

  • Lecture Operating System: Chapter 05 - Input/Output presented Principles of I/O hardware, Principles of I/O software, I/O software layers, Disks, Clocks, Character-oriented terminals, Graphical user interfaces, Network terminals, Power management.

    ppt63p talata_1 22-09-2014 51 6   Download

  • Upon completing this lesson, you will be able to: Start an access layer switch and recognize the normal boot sequence Use the command-line interface to interact with the Cisco IOS software, given an operational access layer switch Use the online help facilities associated with the command-line interfaces, given an operational access layer switch

    ppt23p trinhvang 25-01-2013 38 4   Download

  • When building a LAN that satisfies the needs of a small or medium-sized business, your plan is more likely to be successful if a hierarchical design model is used. Divided into discrete layers. Each layer has a specific purpose. Becomes modular – maintenance, performance.Interfaces with end devices. Routers, switches, bridges, wireless access points. Provides a means of connecting and controlling which devices are allowed to communicate on the network.

    pdf43p vanmanh1008 21-05-2013 43 4   Download

  • ADC's OmniReach™ Indoor Fiber Distribution Terminal (iFDT) provides Multiple Dwelling Unit (MDU) applications with a compact and secure family of enclosures by connecting fiber cables at MDUs. The IFDT products utilize a rugged double-hinged design that effectively isolates the splicing and cable termination in the rear compartment from the jumper interconnection in the front compartment. Separating the cable splicing and termination into a layered configuration provides a space efficient and craft friendly interface unit.

    pdf4p halanh 14-08-2009 76 3   Download

  • This lab focuses on configuring a basic router-to-router WAN and then troubleshooting Layer 1 cabling problems and workstation Layer 3 IP addressing problems. Note: The two routers need to be preconfigured by the instructor or lab assistant to have the correct IP addresses on their LAN and WAN interfaces. Router A will provide the clocking signal as DCE. Use the prior lab “Basic Routed WAN” to set up this lab prior to starting the troubleshooting.

    pdf3p thanhha 27-08-2009 79 3   Download



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