CCDA exam certification guide by A. Anthony Bruno

By A. Anthony Bruno

CCDA examination Certification advisor is a entire examine software DCN examination #640-441. Written by way of a CCIE and CCDA, and reviewed through Cisco technical specialists. CCDA examination Certification consultant can help you recognize and grasp the examination targets. during this bought evaluation at the layout parts of the DCN examination, you are going to discover ways to layout a community that meets a customer's specifications for functionality, protection, ability and scalability. each one bankruptcy of CCDA examination Certification consultant teaches you CCDA-related applied sciences and options via particularly designed evaluate and learn beneficial properties. "Do i do know This Already?" quizzes assist you plan your bankruptcy examine, section-by-section goal lists hold you targeted at the examination fabric you must grasp, case reviews problem your layout talents, and chapter-ending quizzes try out your retention of bankruptcy classes.

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The headquarters’ local-area network consists of Ethernet using 10BaseT hubs. These Ethernet segments constantly run at about 45 percent utilization. There are around 10 segments connecting to a pair of Cisco 4000 routers. One of the network analysts mentioned that the protocol analyzer reported broadcast storms on some of the Ethernet segments. Business applications run on an HP 3000 machine located on one of the segments at the headquarters. An HP 3000 is located at the manufacturing site. The manufacturing site has two NetWare file servers.

At the core layer, high-speed switching is used with high availability and redundancy. Apply access and distribution lists at the distribution layer, which is where the security policies are applied. Address summarization and media translations are applied in the distribution layer as well. The access layer consists of the remote office sites using ISDN, Frame Relay, and DDR, and private lines accessing the corporate network. Local-area networks end segments are also part of the access layer. book Page 15 Friday, January 7, 2000 5:35 PM Steps for Network Design Figure 1-4 15 Hierarchical Design Model Core (High-Speed Switching) Distribution (Route Policies, Access Lists) Access (Local/Remote) LAN Protocols You need to understand the characteristics of LAN protocols, including physical distance limitations of LAN technologies: Ethernet (10Base2, 10Base5, and 10BaseT), Fast Ethernet, Gigabit Ethernet, Token Ring, and FDDI.

Quiz The questions in the following quiz are designed to help you gauge how well you know the material covered in this chapter. ” If you answered most or all of the questions thoroughly and correctly, you might want to skim the chapter and proceed to the “Q&A” and “Case Study” sections at the end of the chapter. If you find that you need to review only certain subject matter, search the chapter for those sections that cover the objectives you need to review, and then test yourself both with these questions and with the “Q&A” and “Case Study” questions.

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