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Cisco Offers A Certification Program That Ensures Their Customers Can Always Receive Help From Technicians Who Have Proven Themselves To Be Competent In Cisco Networking Products. These Programs Are Administered Throughout The World At Authorized Cisco Centers. We're Here To Help You Prepare To Become Cisco Certified. As
You Explore This Site, You'll Discover...
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Remember... If You Are Looking For Quality Information Related To Cisco, Add This Site To Your Favorites Right Now, As We Update It Daily With The Latest News And Information Related To Cisco And Similar Topics. Enjoy The Site.
Everything You Must Know About Cisco Routers, Used Cisco Routers, Cisco Training, And Cisco Certification.
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Win-Spy Monitoring Software
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Computer Repair Home Study Course
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Overclocking Your Cpu to the Extreme
Who Else Wants To Turn There PC Into A Extreme Gaming Rig Without Spending A Single Cent On Hardware? Discover how to unleash over 900% of CPU performance from your PC in a just a few easy steps, then watch in awe as your game's frame-rates double overnight!
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PC Secrets
How to make your computer boot up in mere seconds. Exactly how you can Instantly end any threat of Spyware, Trojans and Viruses destroying your computer from the inside out – for good! Secret Insider settings that with just a few clicks will speed up your computer MULTIPLE TIMES. Instantly And Easily Optimize and Speed Up Slow, Crashing, Freezing Computers Even if You Completely Suck at Computers! Fix For All PC Issues.
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Cisco CCNA Certification Exam Tutorial: Prefix Notation
Author: Chris Bryant
When you're preparing to pass the CCNA exam and earn this coveted Cisco certification, you've got to be totally prepared for the many kinds of binary and subnetting questions Cisco may throw at you. You also have to be familiar with the different manners in which a subnet mask can be expressed, and that’s where your knowledge of prefix notation comes in. Prefix notation is an alternate way to express the value of a subnet mask, as opposed to the more familiar dotted decimal format. Not only will you see prefix notation in Cisco documentation, but you’ll probably see it on your CCNA exam. Consider the following two values:
255.255.255.0
/24
Believe it or not, those two values are exactly the same. The first mask is written out in the more familiar dotted decimal format, and you know by looking at those first three octets that every bit is set to "1", since the maximum value of such an octet is 255.
The second value represents the exact same mask, only this value is expressed in prefix notation. This particular value would be pronounced "slash twenty-four", and the 24 represents the number of consecutive ones that are set in the subnet mask.
Those of us who hate to type numbers are particularly appreciative of this, since it means you'll have to type a lot less numbers to represent a subnet mask. In addition, it's a lot easier to discuss masks in prefix notation than dotted decimal. ("I thought about using a two-fifty-five two-fifty-five two-fifty-five zero mask ,but then decided to use a two-fifty-five two-fifty-five two-fifty-five one-twenty-eight mask...")
Be sure you're comfortable with prefix notation before taking your CCNA exam. As with Cisco documentation, you'll most likely see masks expressed in both dotted decimal and prefix notation, and you've got to be ready to use the both as well!
About the Author:
Chris Bryant, CCIE #12933, is the owner of The Bryant Advantage (http://www.thebryantadvantage.com), home of free CCNA and CCNP tutorials! For my FREE "How To Pass The CCNA" or "CCNP" ebook, visit the website and download your copies. Pass your CCNA exam with The Bryant Advantage!
Source: www.isnare.com
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Win-Spy Monitoring Software
Monitor Your Home PC Or Any PC Within Your Wireless Network. Monitor A Cheating Spouse. Records Any Password. Monitor Any Email. Monitor Via Webcam And Mic.
|
Computer Repair Home Study Course
Learn How to Repair Your Computer Today! - Save money on costly repairs and even start your own business. Join thousands of others who learned new skills, jump started their careers, made extra money, and started their biz with this Computer Repair Course!
|
Overclocking Your Cpu to the Extreme
Who Else Wants To Turn There PC Into A Extreme Gaming Rig Without Spending A Single Cent On Hardware? Discover how to unleash over 900% of CPU performance from your PC in a just a few easy steps, then watch in awe as your game's frame-rates double overnight!
|
PC Secrets
How to make your computer boot up in mere seconds. Exactly how you can Instantly end any threat of Spyware, Trojans and Viruses destroying your computer from the inside out – for good! Secret Insider settings that with just a few clicks will speed up your computer MULTIPLE TIMES. Instantly And Easily Optimize and Speed Up Slow, Crashing, Freezing Computers Even if You Completely Suck at Computers! Fix For All PC Issues.
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A Quick Note
From The Publisher...
If you like the article above, you may be
interested in the following article which is also related to Cisco...
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Taking A Look At Cisco's CCVP Certification |
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I hardly have to tell you how important voice technologies are in today's networks; what we all need to keep in mind to maximize our career potential is how important knowing voice is going to be tomorrow.
We've always got to look forward in IT, both in our work and out studies. Cisco, always the pioneer in technical certifications, now offers a Cisco Certified Voice Professional certification that is gaining a lot of attention from IT professionals looking to add to their skills and their resume.
Cisco's CCVP track is a rigorous five-exam track that requires you to earn your CCNA (Cisco Certified Network Associate) certification before getting started. The five exams cover a myriad of topics - they're not giving this one away! Here are the exam numbers and codes you'll need to know to register for the exams:
642-642 Quality Of Service (QOS)
642-432 Cisco Voice Over IP (CVOICE)
642-425 IP Telephony Troubleshooting (IPTT)
642-444 Cisco IP Telephony (CIPT)
642-452 Cisco... |
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