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How To Get More Networking Equipment For Your Dollar
by Alex Lakatos.If your computer network keeps expanding and the associated networking equipment costs keep increasing, you might want to consider buying equipment in the secondary market. This is a place where you can purchase used or unused brand name equipment; s...
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What You Need to Know About Networking
by Alex Lakatos.Because networking is a relatively young science, it borrows language from other disciplines. Many networking terms come from the realm of physical transportation—terms such as bridge, hub, port, routing, and switching. That borrowing is apt. Just ...
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Network Certification Exam Tutorial: Ethernet CSMA/CD Explained
by Chris Bryant.When you're studying for the Network+ exam, you've got a lot of new acronyms to learn!  One of the basics is CSMA/CD, which stands for Carrier Sense Multiple Access with Collision Detection.  That's quite a mouthful, but it's an important t...
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CCNA/Network+ Certification Tutorial: Collision Domain & Switch
by Chris Bryant.In the previous Network+ exam tutorial, we talked about how collisions occur when data sent by two hosts on a shared Ethernet segment transmit data at the exact same time.  Collisions result in the colliding data being unusable, which means...
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Network+ Exam Certification Tutorial: The Bus Topology
by Chris Bryant.The Physical layer of the OSI model isn't the most exciting or interesting to work with, but it's the foundation for everything we do in networking.  The same goes for the physical side of networking - whether it's cable types, network topologie...
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Network+ Exam Tutorial: Ports, Port Numbers, and Sockets
by Chris Bryant.If there's one thing that can be a bit confusing to many Network+ certification exam candidates, it's the concept of ports and sockets.  Well, it was confusing to me when I got started with computer certifications!  Let's take a look at por...
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Network+ Exam Tutorial: Becoming A Master Troubleshooter
by Chris Bryant.Passing your Network+ exam is the first step on the way to becoming a master network troubleshooter, and that's where you need to be.  The average network admin spends 90% of their time troubleshooting and 10% installing hardware and software, s...
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CompTIA Network+ Tutorial: Hot & Warm Sites, Disaster Recovery
by Chris Bryant.Part of passing the Network+ exam and being an outstanding network administrator is being prepared for disaster.  Sometimes that's a disaster on a relatively small scale, such as a drive failure.  If you're running data backups on a regular...
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CompTIA Network+ Certification Tutorial: Hubs, Bridges, Switches
by Chris Bryant.To pass your Network+ certification exam, you must know the differences between hubs, repeaters, bridges, and switches.  The differences are straightforward for the most part, so let's examine the basic purpose of these devices.Hubs and repeater...
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CompTIA Network+ Certification Tutorial: IP Address Classes
by Chris Bryant.Passing the CompTIA Network+ certification exam and going on to become a subnetting expert is mastering the basics of IP addressing, and that means knowing the different classes, their default masks, and what these masks mean.  Let’s get start...
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Network+ / CCNA Exam Tutorial: Port Numbers & Troubleshooting
by Chris Bryant.Passing the Network+ and CCNA exams demands that you know quite a few port numbers, but they're important to know when working with real-world networks as well.  Before we discuss why, here's a partial list of important port numbers to know for ...
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Network Time Synchronization & Accurate Time Server
by Dave Evans.Each PC has an integral real-time clock that maintains internal system time. PC clocks have low-cost crystal oscillators that are notoriously prone to drift. With time each computer in an organisation drifts at different rates. After a relatively sho...
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How To Configure a Windows Based Network Time Server
by Dave Evans.In modern computer networks, computer time synchronization is of critical importance. Many transaction-processing operations require accurate synchronisation of client and server in order to maintain a coherent processing order.The latest versions of...
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Network Timing: NTP Time Servers
by Dave Evans.NTP or Network Time Protocol is an Internet protocol used to disseminate time across a computer network. It is widely used to synchronize time critical applications to an accurate reference time source.This article describes the Network Time Protocol...
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Wireless Networks For Dummies
by Dawn Smith.O.K. It's time to dispel the myth about networking! Although networks, (wireless or otherwise) used to be used primarily by businesses and schools, times have changed. There are now huge benefits to installing a network at home. The thing that put's ...
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The Misuse of Network Time Server Systems
by Dave Evans.Network Time Protocol (NTP) is a standard Internet protocol for the dissemination of time around a computer network. The protocol operates in a hierarchical manner, each level or stratum serving the next level in the hierarchy. At the top of the hier...
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Wireless Network Software & Software for Wireless Networks
by Jones Wright.Wireless network software comes in many flavors and designs. The closest to the user is the software which consists of the user interface. The front end is simple and used to provide connectivity to the network. With extensive use of laptops wireless...
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Looking at Different Belkin Wireless Network Cards
by Rajesh Karavadia.Before you buy a Belkin wireless network card, you really ought to gather information first. By asking people for their opinions and reading reviews, you would be able to save a lot of time on deciding later. You will also be able to separate the hyp...
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Wireless Networks: The Main Problems And How To Avoid Them
by Carl Formby.The act of putting a wireless modem into your PC or laptop is now so commonplace that it almost seems ancient history to have to physically connect a computer to the phone lines in order to make an internet connection. This is the age of the wireless...
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Wireless Network Design - Expanding the wired network
by Aaron H. Prather.Wireless network design is the process of generating a layout of hubs and links within an environment to ensure desired network availability and flow capacity. Designing a wireless network is quite different from a wire network design by taking adva...
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CCNA, CCNP, CCENT Exam: Physical Addresses & Hex Conversions
by Chris Bryant.Cisco CCENT And Network+ Certification:What do the terms "physical address", "MAC address", and "hardware address" have in common?Answer:? They all describe the same thing – a Data Link layer address.? The terms “physical address” and “hardwa...
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Wireless Network Installation and Configuration
by Dean Forster.You might just be at that point, where the small, wired home network you created a few months ago just is not doing it for you anymore and you want to extend it with a wireless network. Of course, you might as well be at that point, where you want to...
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Network Configuration Manager Tools For Efficiency
by Dean Forster.A large computer network is many times the backbone of any company, large or small. In many cases, a company cannot function at all if its network is not working properly or it is configured incorrectly, resulting loses of many thousands of dollars (...
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Home Wireless Networking
by Pete Marciulonis.With a wireless network you can easily expand the flexibility and convenience of your home computers.? It is extremely easy and affordable to build a home wireless network, here are some tips A wireless network is super simple to set up.? To create a...
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The Convenience of Document Search Network Tools
by Sam Miller.Having a document search network tool in the office is indeed very advantageous for a whole lot of reasons. Let us say, hypothetically, that you work for a company that specializes in article marketing geared towards search engine optimization, or SE...
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