Cisco ccda

Xem 1-18 trên 18 kết quả Cisco ccda
  • Tham khảo sách 'cisco certified design associate 2.0 - version 2.1', công nghệ thông tin, chứng chỉ quốc tế phục vụ nhu cầu học tập, nghiên cứu và làm việc hiệu quả

    pdf83p mylinh 12-08-2009 77 13   Download

  • This book is designed to provide information about the CCDA examination. Every effort has been made to make this book as complete and as accurate as possible, but no warranty or fitness is implied. The information is provided on an “as is” basis. The author, Cisco Press, and Cisco Systems, Inc., shall have neither liability nor responsibility to any person or entity with respect to any loss or damages arising from the information contained in this book or from the use of the discs or programs that may accompany it.

    pdf704p maiphuong 10-08-2009 206 58   Download

  • The Cisco Router User Interface Cisco Internetwork Operation System(IOS)是 Cisco 的routers和 switches 的内核 Cisco Router IOS IOS的一些功能: 1.运载网络协议和功能 2.对产生高速流量的设备进行连接 3.增加网络安全性 4.提供网络的可扩展性来简易化网络的增长和冗余问题 5.可靠的连接网络资源

    pdf10p batoan 10-08-2009 146 11   Download

  • Precision test equipment manufacturing FSI manufactures high-end, high-volume semi-custom test equipment. Though the company only employs 150 people, sales revenue and profitability are very high because of niche market control and product price levels. Each piece of equipment is built to order and goes through rigorous testing and integration. As a result of market dominance, growth and profitability, company management has decided to make an initial public offering (IPO) of its stock.

    pdf83p maiphuong 11-08-2009 72 11   Download

  • FSI manufactures high-end, high-volume semi-custom test equipment. Though the company only employs 150 people, sales revenue and profitability are very high because of niche market control and product price levels. Each piece of equipment is built to order and goes through rigorous testing and integration. As a result of market dominance, growth and profitability, company management has decided to make an initial public offering (IPO) of its stock.

    pdf83p maiphuong 11-08-2009 54 10   Download

  • This book is intended to start you out on an exciting new path toward obtaining your CCNA certification. It reaches beyond popular certifications like the MCSE and CNE to provide you with an indispensable factor in understanding today¡¯s network¡ªinsight into the Cisco world of internetworking and network design. If you¡¯ve purchased this book, you are probably chasing one of the Cisco professional certifications: CCNA/CCNP, CCDA/CCDP, CCIP, or CCIE. All of these are great goals, and they are also great career builders.

    pdf1p trungha 28-08-2009 87 21   Download

  • 把 1 个大的网络分成几个小点的网络称之为网络分段(network segment),这些工作由 routers,switches和 bridges来完成 引起 LAN拥塞的可能的原因是: 1.太多的主机存在于 1 个广播域(broadcast domain) 2.广播风暴 3.多播(multicast) 4.带宽过低

    pdf9p batoan 10-08-2009 122 13   Download

  • This study guide is a complete collection of questions and answers that have been developed by our professional & certified team. You must study the contents of this guide properly in order to prepare for the actual certification test. The average time that we would suggest you for studying this study guide is approximately 15 to 20 hours and you will surely pass your exam. We guarantee it!

    pdf15p batoan 10-08-2009 99 10   Download

  • The Router Boot Sequence 启动序列用来测试硬件和加载所必需的软件,包括以下几个步骤: 1.先进行 POST,测试硬件 2.bootstrap 查找和加载 IOS 3.IOS 在 NVRAM 中查找有效的 startup-comfig 配置文件 4.如果在 NVRAM 里查找到了这个配置文件,router 就可操作;如果文件不存在,router 进到 setup 模式

    pdf9p batoan 10-08-2009 86 7   Download

  • Tham khảo sách 'exam :640-025 design - version number:6.0', công nghệ thông tin, chứng chỉ quốc tế phục vụ nhu cầu học tập, nghiên cứu và làm việc hiệu quả

    pdf70p maiphuong 11-08-2009 71 8   Download

  • How to Creat Subnets 如何划分子网?首先要熟记 2 的幂:2 的 0 次方到 9 次方的值分别为:1,2,4,8,16,32,64,128,256 和 512.还有要明白的是:子网划分是借助于取走主机位,把这个取走的部分作为子网位.因此 这个意味划分越多的子网,主机将越少

    pdf3p batoan 10-08-2009 446 21   Download

  • QUESTION NO: 1 You TestKing trainee Tess ask you which parameter must be supplied when initializing the IGRP routing process. What should you tell her? A. Connected network numbers B. IP address mask C. Metric weights D. Autonomous system number E. Register administrative id

    pdf21p batoan 10-08-2009 89 17   Download

  • To realize the full potential of this Sybex electronic book, you must have Adobe Acrobat Reader with Search installed on your computer. To find out if you have the correct version of Acrobat Reader, click on the Edit menu—Search should be an option within this menu file. If Search is not an option in the Edit menu, please exit this application and install Adobe Acrobat Reader with Search from this CD (doubleclick rp500enu.exe in the Adobe folder).

    pdf720p maiphuong 10-08-2009 77 16   Download

  • TCP/IP and the DoD Model DoD模型被认为是 OSI 参考模型的浓缩品,分为4 层,从上到下是: 1.Process/Application layer 2.Host-to-Host layer 3.Internet layer 4.Network Access layer 其中,如果在功能上和 OSI 参考模型互相对应的话,那么: 1.DoD模型的 Process/Application 层对应 OSI 参考模型的最高 3 层 2.DoD模型的 Host-to-Host 层对应 OSI 参考模型的 Transport 层 3.DoD模型的 Internet 层对应 OSI 参考模型的 Network 层 4.DoD模型的 Network Access层对应OSI 参考模型的最底 2层 ...

    pdf4p batoan 10-08-2009 90 12   Download

  • EIGRP的1大特点是它可以支持几种网络层协议:IP,IPX和AppleTalk等.能像EIGRP那样支 持数种网络层协议的还有 Intermediate System-to-Intermediate System(IS-IS)协议,但是这个协 议只支持 IP和 Connectionless Network Service(CLNS).EIGRP通过 PDMs来支持不同的网络 层协议.每个 EIGRP 的 PDM 保持 1 个单独的路由信息表来装载某种协议(比如 IP)的路由信 息.也就是有 IP/EIGRP表,IPX/EIGRP的表和 AppleTalk/EIGRP表

    pdf12p batoan 10-08-2009 119 12   Download

  • Introduction to Access Lists 访问列表(access list,ACL)的主要作用是过滤你不想要的数据包.设置 ACL的一些规则: 1.按顺序的比较,先比较第一行,再比较第二行..直到最后 1 行 2.从第一行起,直到找到 1个符合条件的行;符合以后,其余的行就不再继续比较下去 3.默认在每个ACL中最后1行为隐含的拒绝(deny),如果之前没找到1条许可(permit)语句,意 味着包将被丢弃.所以每个 ACL 必须至少要有 1行 permit 语句,除非你想想所有数据包丢弃 ...

    pdf4p batoan 10-08-2009 101 11   Download

  • Routing Basics 路由协议(routing protocol):用于 routers 动态寻找网络最佳路径,保证所有 routers 拥有相同的 路由表.一般,路由协议决定数据包在网络上的行走的路径.这类协议的例子有 OSPF,RIP,IGRP,EIGRP 等 可路由协议(routed protocol):当所有的routers知道了整个网络的拓扑结构以后,可路由协议就 可以用来发送数据.一般的,可路由协议分配给接口,用来决定数据包的投递方式.这类例子有 IP和 IPX 路由:把1个数据包从1个设备发送到不同网络里的另1个设备上去.

    pdf14p batoan 10-08-2009 81 10   Download

  • Three Switch Function at Layer 2 层 2 交换的一些功能: 1.地址学习(address learning):通过查看帧的源MAC地址来加进1个叫做转发/过滤表的MAC 地址数据库里 2.转发/过滤决定(forward/filter decisions):当 1 个接口收到 1 个帧的时候,switch 在 MAC 地址 数据库里查看目标 MAC地址和出口接口,然后转发到符合条件的那个目标端口去 3.循环避免(loop avoidance):假如有冗余的连接,可能会造成循环的产生,STP 就用来破坏这些 循环 ...

    pdf9p batoan 10-08-2009 101 10   Download

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