Xem 1-20 trên 14973 kết quả Networking
  • In a prior edition of this book the preface commenced with the paraphrase of an old adage in an era of evolving local area networking technology: Ethernet is dead—long live Ethernet! Although advances in communications technology continue to occur at a rapid pace, that paraphrase continues to be valid. Within the past decade, the bandwidth of 10 Mbps Ethernet was advanced by a factor of one thousandwith the introduction of a series of enhancements to the original Ethernet specification. First, Fast Ethernet resulted in the bandwidth of Ethernet increasing by a factor of 10 to 100 Mbps.

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  • we expand networks to include new services, we must continually strive secure them. It is not an inherently easy thing to do. First, we need to balance growth and total security without duplicating operations. Second, our networks need to support the mobility of our workforces as the number of remote sites that are connected continues to multiply. finally, while one cannot predict what will be needed for tomorrow, we build in the flexibility to adapt to whatever unknown priorities may the near future....

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  • This book is the product of over 15 years of working with RTT, delivering strategic technology design programs for the cellular design community. This has included pro- grams on AMPS/ETACS handset, base station, and network design in the early to mid-1980s; programs on GSM handset, base station, and network design from the late 1980s to mid-1990s onward; and, more recently, programs on 3G handset, Node B, and network design.

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  • Virtual Private Networks (VPN) hay gọi theo tiếng Việt là Mạng Riêng Ảo, cho phép bạn mở rộng phạm vi mạng nội bộ bằng cách sử dụng lợi thế của internet. Kỉ thuật VPN cho phép bạn kết nối với một host nằm xa hàng ngàn dặm với mạng LAN của bạn và làm cho nó trở thành một node hay một PC nữa trong mạng LAN. Một đặc điểm nữa của VPN là sự kết nối giữa clients và mạng ảo của bạn khá an toàn như chính bạn đang ngồi trong cùng một mạng LAN....

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  • Java™'s growth over the last five years has been nothing short of phenomenal. Given Java's rapid rise to prominence and the general interest in networking, it's a little surprising that network programming in Java is still so mysterious to so many.

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  • Đồ án tốt nghiệp: Mạng riêng ảo (VPN - Virtual Private Network)- ĐH Công Nghiệp HN sẽ là tài liệu tham khảo hữu ích giúp các bạn sinh viên làm tốt đồ án tốt nghiệp. Mạng riêng ảo VPN (Virtual Private Network) là một mạng riêng rẽ sử dụng một mạng chung (thường là Internet) để kết nối cùng với các site (các mạng riêng lẻ) hay nhiều người sử dụng từ xa.

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  • Four laws, two each from the natural sciences and the social sciences, have formed the basis for the development of digital wireless communication networks. This essay describes their interaction, as well as their logical support for spread - spectrum multiple - access techniques.

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  • Như chúng ta đã biết trong hệ thống mạng khi cần cân bằng tải cho những dịch vụ như: Web, Mail, FTP, VPN, File, Print service… thì chúng ta cần phải cấu hình hệ thống Load Balancing hoặc Clustering. Trong bài này tôi sẽ giới thiệu với các bạn cách cấu hình dịch vụ Network Load Balancing trên Windows Server 2008 để cân bằng tải cho hệ thống Web

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  • 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....

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  • Mạng không dây (Wireless Networking) đang là giải pháp mới cho các mô hình mạng văn phòng, gia đình, hay những địa điểm rộng lớn mà mạng Ethernet không thể hoạt động được. Lắp đặt một mạng không dây cơ bản đơn giản hơn mạng Ethernet (Wired Network), bạn cũng có thể nhập thêm nhiều PC hoặc các thiết bị khác vào mạng một cách dễ dàng.

    doc5p thachnq 22-11-2009 376 154   Download

  • Tham khảo sách 'ccna: cisco certified network associate study guide - fourth edition', công nghệ thông tin, chứng chỉ quốc tế phục vụ nhu cầu học tập, nghiên cứu và làm việc hiệu quả

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  • Java(TM) Network Programming and Distributed Computing is an accessible introduction to the changing face of networking theory, Java(TM) technology, and the fundamental elements of the Java networking API. With the explosive growth of the Internet, Web applications, and Web services, the majority of today's programs and applications require some form of networking. Because it was created with extensive networking features, the Java programming language is uniquely suited for network programming and distributed computing....

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  • Optical Switching Networks describes all the major switching paradigms developed for modern optical networks, discussing their operation, advantages, disadvantages, and implementation. Following a review of the evolution of optical wavelength division multiplexing (WDM) networks, an overview of the future of optical networks is set out.

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  • When the concept of a network without wires was first suggested more than two decades ago, it sparked the imagination of scientists, product vendors, and users around the globe eager for the convenience and flexibility of a free roaming connection. Unfortunately, as the variety of wireless solutions began to emerge, anticipation turned to disappointment.The first wave of solutions proved inadequate for the networking, portability, and security needs of a changing IT environment.

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  • NAT ­Network Address Translation là chức năng chuyển tiếp gói tin giữa 2 lớp mạng khác nhau (như chuyển tiếp gói tin từ Internet vào máy con trong mạng LAN). Router Dray Tek có 3 tính năng như NAT.

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  • Tham khảo tài liệu 'exam 70-642 configuring windows server 2008 network infrastructure', công nghệ thông tin, quản trị mạng phục vụ nhu cầu học tập, nghiên cứu và làm việc hiệu quả

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  • This book’s primary goal is to help you prepare to take and pass Microsoft’s exam number 70-291: Implementing, Managing, and Maintaining a Microsoft Windows Server 2003 Network Infrastructure. Our secondary purpose in writing this book is to provide exam candidates with knowledge and skills that go beyond the minimum requirements for passing the exam, and help to prepare them to work in the real world of Microsoft computer networking.

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  • Network Security & Preventing HackerContent: What do a Malicious Hacker Do?, Level of Hacker, Gathering Information of Hacker, Trojan and Backdoor, Sniffers, Firewall and IDS, Countermeasure. Network Security: Software firewall: ISA Server, anti-virus (McAfee, TrendMicro, Norton Antivirus, Symantec) Hardware Firewall: Checkpoint, PIX, Fortinet, Crossbeam, Watchguard, Sonic Walls

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  • Networks are currently one of the fastest growing and most important developments in the computer industry. Not only are more and more PCs becoming parts of networks, but networked PCs are being incorporated into larger enterprise-wide applications so that everyone in a company can access and share data. With the expanding technology of networking comes the terminology to describe it. This Dictionary of Networking provides definitions for all the terms you will encounter when dealing with networks of any type....

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  • 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

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