By Ron Gilster
What was once that whizzing sound? It was once you, passing the CCNA certification examination. After you've coated all of Cisco Systems' examination targets in CCNA For Dummies, such initiatives as following community protocols, routing, and keeping community protection might be new instruments so as to add on your ability set. First, anticipate to familiarize yourself with the language of the examination with the specialist information of your qualified authors. Then, locate your approach round the workings of the OSI version and its layers: the information hyperlink, community, delivery, and higher layers. Routers turn into workable as you perform instructions and algorithms. And whilst you're pleased with community protocols, you'll circulate directly to LAN and WAN switching. The book's CD-ROM is helping you check your susceptible spots via a try engine and various examination eventualities, and ten websites to spice up your learning also are incorporated. take note: It's only a attempt, and at this element, it's open publication! Covers: examination 640-507
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Extra resources for CCNA for Dummies
Expandability: A vital component to any network design is planning for the inevitable growth that occurs and having a plan to prepare for changes in technology. After you consider these criteria carefully, use a three−step design approach to develop the network design. These steps are: • Analyze the requirements: What are the objectives that the network must support and what accesses and restrictions need to be applied to protect the networks resources? • Develop the topology: Which of the standard topologies (see the section, Please accept our topologies, earlier in this chapter) best addresses the physical and organizational requirements of the network?
Review Wiring standards. 39 Chapter 4: The Data Link Layer Exam Objectives • Defining the functions of the Data Link layer • Differentiating Data Link and network addresses • Explaining the functions of a MAC address • Listing the advantages of LAN segmentation • Segmenting a LAN with a bridge Although the emphasis of the CCNA exam is clearly the Network layer of the OSI model, you really must know a number of Layer 2 (Data Link layer) concepts, technologies, and activities on the exam. As indicated in the exam objectives of this chapter, there is a wide range of Data Link layer functions you will need to review.
You pick the date, time, and place. Some testing sites arent available every day of the week, or even every month of the year, and some offer testing during only certain hours of the day. So the earlier you contact them, the better. I recommend calling Sylvan Prometric as soon as you think youre entering the final stages of your exam preparation. Sylvan Prometric helps you find a testing center near your home or in the vacation spot you want to visit. When you schedule your test, you must either give them your credit card information or you can mail them a check or money order (not a great option if youre in a hurry), but they wont confirm your test date until after they receive the check.