CCENT Cisco Certified Entry Networking Technician Study by Angela Walker

By Angela Walker

The easiest absolutely built-in examine approach to be had for CCENT examination 640-822 With thousands of perform questions and hands-on workouts, CCENT Cisco qualified access Networking Technician learn consultant covers what you want to know--and exhibits you ways to prepare--for this not easy examination. a hundred% entire assurance of all legitimate targets for examination 640-822: examination Readiness list on the back and front of the book--you're prepared for the examination whilst all ambitions at the checklist are checked off contained in the examination sections in each bankruptcy spotlight key examination issues lined Simulated examination questions fit the structure, tone, subject matters, and hassle of the genuine examination Covers all CCENT examination themes, together with: OSI Reference ModelTCP/IP community Media and units Ethernet StandardsSwitchingRouting · IP AddressingIP tackle SubnettingIOS and Configuration FilesCLICisco change and Router ConfigurationWANs and WLANsApplications, protection, and Troubleshooting CD-ROM contains: perform try out engine, powered by way of Boson, that includes: a hundred perform examination questions; unique solutions with motives; bankruptcy quizzes and genuine examination atmosphere simulations ranking record functionality evaluation device Interactive community simulation software program, powered through Boson with simulated lab workouts 15+ tutorial videos digital ebook for learning at the pass.

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Extra resources for CCENT Cisco Certified Entry Networking Technician Study Guide Exam 640.822

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For example, create an audio tape (or CD) of yourself asking questions and providing answers. Pop this into your vehicle on the drive to work and voilà, you’ve just added some free study time. Want another example? How about creating a cheat Introduction xxxiii sheet, or a few flash cards, to keep handy in your jacket or wallet? While waiting for your lunch, sitting in the airport, or taking a break from work, bring it out and take a quick peek. There are a thousand ways to do this, but the point is simple: You can find ways to study during your day-to-day activities if you really look for them.

While we cover actual data types and terms later in this chapter, keep in mind that networking isn’t just data anymore. Modern networks are charged with delivering our phone calls and, soon, our television and entertainment options. Data—no matter what its form—is transmitted in the form of bits. A single bit is a 1 or a 0 (based on the binary number system of two digits versus the typically used decimal numbering system based on the digits 0–9). An arrangement of eight bits in a specific order is known as a byte.

However, for larger companies or for companies requiring Quality of Service (QoS) features for specialized programs, these technologies are well worth the investment. Point-to-Point, or dedicated, WAN connections are exactly what they sound like—a leased line that directly connects one network to another. The advantage is that the connection is always up and available, and you are guaranteed 100 percent of the bandwidth available 100 percent of the time. The drawback is closely related—whether you use the bandwidth or not, you pay for it.

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