这种类型的电缆不是用来将各种Ethernet部件连接起来,而是反转的Ethernet电缆来实现从主机到路由器控制台串行通信(com)端口的连接。 无线联网(Wireless Networking) 下面是各种类型的无线网络 窄带无线(Narrowband Wireless LAN) 个人通信服务(PCS) 窄带PCS 宽带PCS 卫星 红外无线LAN 扩频无线LAN 数据封装 当主机向其他的设...
最新思科认证New CCNA 200-301课程 计算机网络七层模型 Cisco Networking 0基础入门教学视频《第八课》 桓文教育 42 0 48:52 最新思科认证New CCNA 200-301课程 生成树协议 Cisco Networking 0基础入门教学视频《第十二课》 桓文教育 120 0 42:09 最新思科认证New CCNA 200-301课程 VLAN的概念 Cisco Ne...
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CCNA笔记:广域网(一) Wide Area Networking Protocols Introduction to Wide Area Networks WAN是覆盖地理范围相对较为广阔的数据通信网络,它一般是利用公共载体(比如电信公司)提供的设备进行传输.WAN技术运行在OSI的最下3层 广域网(Wide Area Network,WAN)的一些术语 1.客户前端设备(customer premises ...
CCNA validates a broad range of fundamentals for all IT careers - from networking technologies, to security, to software development - proving you have the skills businesses need to meet market demands. Networking fundamentals Showcase your knowledge of networking equipment and configuration. Be able...
Achieving CCNA certification is the first step in preparing for a career in IT technologies. To earn CCNA certification, you pass one exam that covers a broad range of fundamentals for IT careers, based on the latest networking technologies, security, and automation and programmability skills and ...
CCNA 1 and 2 Engineering Journal and Workbook, REVISED Third Edition(Cisco Networking Academy Program)ISBN: 1-58713-151-XCisco PressErrataCCNA 1: Networking Basics LabsCCNA 1 Chapter 1Page 8The answer to question 8in the Focus Questionscan befound in the"More Information: Base 16 Number ...
备考CCNA，你需要研读官方指定教材《Cisco Networking Academy Program: CCNA 1 and 2 Companion Guide》，并通过思科网院提供的在线实验平台进行实战演练。此外，利用模拟题库进行考前冲刺，有助于提高应试技巧。总的来说，无论是PMP、CFA还是CCNA，它们都是各自领域内极具影响力的职业资质证书，能显著提升你的专业...
Part I: NetworkingPart II: TCP/IP Protocol Suite1. TCP/IP and the Internet Layer2. IP Addressing and Subnetting3. VLSM (Variable Length Subnet Masking)4. TCP/IP and the Transport Layer5. Q&A Self-Tests6. Sending and Receiving TCP/IP Data Packets7. Cisco Catalyst Switches8. ...