Xem 1-20 trên 297 kết quả Network equipment
  • This publication was developed to assist professionals preparing for Cisco Certified Internetwork Expert (CCIE) candidacy, though it is a valuable resource for all internetworking professionals. It is designed for use in conjunction with other Cisco manuals or as a standalone reference. You may find it helpful to refer to the Cisco CCIE Fundamentals: Case Studies, which provides case studies and examples of the network design strategies described in this book.

    pdf510p thutrang 27-08-2009 82 28   Download

  • This chapter covers the actual process of sitting down and designing your OSPF network. The real process of putting the pen to paper and the true process behind it is covered. It is this chapter's intention to take the mystery out of designing any type of network. The concepts and steps discussed have universal application whether your network is BGP or OSPF; of course, the latter is emphasized. Chapter 6, "Advanced OSPF Design Concepts," covered many of the commands necessary for configuring OSPF.

    pdf58p laquang 03-09-2009 96 28   Download

  • Packets transmitted by AARP that determine if a randomly selected node ID is being used by another node in a nonextended AppleTalk network. If the node ID is not being used, the sending node uses that node ID. If the node ID is being used, the sending node chooses a different ID and send more AARP probe packets. See also AARP.

    pdf176p laquang 29-08-2009 79 23   Download

  • Today's networks incorporate more security features than ever before, yet hacking grows more common and more severe. Technology alone is not the answer. You need the knowledge to select and deploy the technology effectively, and the guidance of experts to develop a comprehensive plan that keeps your organization two steps ahead of mischief and thievery. Active Defense: A Comprehensive Guide to Network Security gives you precisely the knowledge and expertise you're looking for. You'll work smarter by day, and sleep easier by night....

    pdf374p thutrang 18-08-2009 156 21   Download

  • Welcome to Wireless Home Networking For Dummies. Wireless networking for personal computers is not really a new idea; it’s been around for at least five years. The emergence of an industry standard, however, has caused the use of wireless networking technology to explode. One of the most appealing things about the current crop of wireless networking equipment is the ease with which you can set up a home network, but its reasonable price might be the most attractive aspect of all. Setting up a wireless home network can be both inexpensive and easy.

    pdf387p tailieuvip13 19-07-2012 49 13   Download

  • When it comes time to install new network equipment, there’s no room for error. Inadequate or incomplete installation procedures lead to both unnecessary delays and increased costs. Installation problems have a direct effect on service quality and commitments to customers, and they can delay revenue, impacting an operator’s success in a highly competitive market.

    pdf4p thuyvan 13-08-2009 112 9   Download

  • Frustrated with networking books so chock-full of acronyms that your brain goes into sleep mode? Head First Networking's unique, visually rich format provides a task-based approach to computer networking that makes it easy to get your brain engaged. You'll learn the concepts by tying them to on-the-job tasks, blending practice and theory in a way that only Head First can.

    pdf0p rose_12 07-12-2012 38 5   Download

  • Objectives: Identify Network Devices; Identify Network Media. Background/Scenario: As a member of the networking support staff, you must be able to identify different networking equipment. You must also understand the function of equipment in the appropriate part of the network.

    doc2p kinhadthu 14-08-2015 9 3   Download

  • Every operator knows that a well-planned network makes for reduced complexity, lower costs and fewer service issues. Unfortunately, the reality is that many operators have fewer resources dedicated to network planning and design. With new network equipment options, new transmission and transport alternatives and increased service demands, engineering decisions are becoming increasingly complex.

    pdf4p thuyvan 13-08-2009 103 2   Download

  • Wireless network refers to any type of computer network that is not connected by cables of any kind. It is a method by which homes, telecommunications networks and enterprise (business) installations avoid the costly process of introducing cables into a building, or as a connection between various equipment locations.[1] Wireless telecommunications networks are generally implemented and administered using a transmission system called radio waves. This implementation takes place at the physical level (layer) of the OSI model network structure....

    ppt47p acxelopanh 01-12-2009 240 157   Download

  • I/O bus networks allow PLCs to communicate with I/O devices in a manner similar to how local area networks let supervisory PLCs communicate with individual PLCs (see Figure1). This configuration decentralizes control in the PLC system, yielding larger and faster control systems.

    pdf57p balanghuyen 13-01-2010 212 120   Download

  • The merging of voice and data on a single network opens powerful new possibilities in communications. Only a fundamental understanding of both technologies will ensure you are equipped to maximise their full potential. Convergence Technologies for 3G Networks describes the evolution from cellular to a converged network that integrates traditional telecommunications and the technology of the Internet.

    pdf673p dieutan 17-05-2010 161 80   Download

  • Over the past few years, many fundamental changes have taken place in wireless communications that will influence the future of this dynamic field. One phenomenon driving these changes has been the integration of wireless communicationdevices in people’s lives. While the 1990s were the years when wireless voice telephony became popular, the 2000s should be the time when wireless data applications are truly un-tethered from homes and offices.

    pdf280p thaudiennhe 10-07-2010 136 78   Download

  • This module introduces the Wireless LAN (WLAN) industry. It is designed to give the student a brief overview of the history of WLAN products and the evolution of those products, as well as to help the learner understand the development history of Cisco Aironet® wireless product set. It includes the following topics: Agenda Cisco Wireless Wireless Data Networks WLAN Evolution Cisco Wireless Advantages

    pdf590p vutrung 04-09-2009 129 57   Download

  • A comprehensive yet comprehensible and witty guide to the latest advances in computer network security protocols. The author team includes Charlie Kaufman, currently chief security architect for Lotus Notes, and formerly Network Security Architect at Digital Equipment Corporation;

    pdf3673p muathu_102 28-01-2013 167 46   Download

  • Network management is the poor cousin of network design and implementation. All too often it is treated as an inconvenience by equipment manufacturers, or forgotten entirely. But the ability to manage network devices is fundamental to their utility, and a successful and functional network can only be built from equipment that can be easily managed and operated. Management refers to the ability to confi gure, control, operate, and diagnose equipment. Of course, no vendor ships devices that cannot be managed, but typically each is operated and controlled in a different way.

    pdf401p member2087 05-03-2013 80 42   Download

  • With over 1,500,000 copies of our MCSE, MCSD, CompTIA, and Cisco study guides in print, we have come to know many of you personally. By listening, we've learned what you like and dislike about typical computer books. The most requested item has been for a web-based service that keeps you current on the topic of the book and related technologies. In response, we have created solutions@syngress.com, a service that includes the following features:

    pdf497p trungha 31-08-2009 108 40   Download

  • No matter what you call it, adding fiber to the local loop is a major strategic initiative for a number of carriers. Fiber to the customer premises represents the ultimate broadband connection for the end user, and promises to help carriers deliver value-added services while increasing the average revenue per user.

    pdf4p thuyvan 13-08-2009 205 30   Download

  • Identify the basic network media required to make a LAN connection. Identify the types of connections for intermediate and end device connections in a LAN. – Identify the pin out configurations for straight-through and crossover cables. Identify the different cabling types, standards and ports used for WAN connections. Define the role of device management connections when using Cisco equipment. Design an addressing scheme for an inter-network and assign ranges for hosts, network devices and the router interface. ...

    pdf45p thangvu89 15-04-2010 109 30   Download

  • Chapter 3: Network Computer ATHENA Objective What is a Network? Why we use a Network? Advantages of LAN Types of Network ATHENA What is a Network? • A group of computers and other devices connected together is called a network • Networking is the concept of sharing resources and services ATHENA Example a Network Figure 1-1 What is a Local Area Network? ATHENA Why we use a Network? • To avoid duplication of equipment and resources • Be cost effective • To communicate efficiently • To improve management ATHENA ...

    pdf25p hangkute_101091 19-07-2010 70 24   Download

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