Cisco Certification: CCNA Candidate FAQ When you start your CCNA studies, a lot of questions come to mind! Here are the five most common questions CCNA candidates have, answered by Chris Bryant, CCIE #12933. Q. What exams do I have to take to get my CCNA? A. The CCNA (Cisco Certified Network ... Cut the Wires? Cut the Wires? How often do you see someone sitting in an airport lounge or coffee shop working on a laptop computer? Sure they could be playing solitaire, but the odds are increasing that they are corresponding via e-mail, sending a report back to the ... Secrets to SpyProofing Your Computer In Four Easy Steps Secrets to SpyProofing Your Computer In 4 Easy Steps DO I NEED TO SPY PROOF MY COMPUTER? I think the question should be, do I use my computer for anything that would best remain private and confidential? Computer monitoring has become a huge industry, ...
Network Wiring Standards
1. Does the job specification call out a wiring pattern? 2. Does the customer/end user have a preference for T568A or T568B? 3. Have patch panels already been purchased for the job? If so, they will probably be either T568A or T568B. The jacks should be wired to the same pattern as the panels. 4. Are you adding on to an existing wiring plant? If so, your new wiring should match the existing wiring. If none of the factors above apply, either T568A or T568B may be used. It is important to ensure that the workstation connectors and the patch panels are wired to the same pattern. T568B is commonly used in commercial installations, while T568A is prevalent in residential installations.
For these reasons, we almost always use T568B for unspecified installations. One bonus is that most networking equipment presently on the market have wiring diagrams for either T568A or T568B. Since the difference is only the switching of two pairs of wires, it is easy enough for manufacturers to print both standards on their hardware. For example, a patch panel that is labeled for T568A/T568B will usually have the color-coded wiring diagrams above and below the actual punchdown. One will typically be labeled T568A and the other T568B. This type of hardware is preferred by installers due to its flexibility. About the Author Dean Novosat is computer expert and network engineer. He is the author of including "How to Wire Networks for Profit." He has several websites including http://www.YourOwnNetwork.com and http://www.sag
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Networking calendar Dallas Morning News, TX - 23 hours ago North Dallas Chamber of Commerce, networking skills workshop, second Tuesdays, 10707 Preston Road. Contact Carol Short, 214-368-6992, or go to www.ndcc.org. ...
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