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How to Configure an Ntp Network Time Server in Windows Xp
by Richard n Williams.Computer time synchronisation is highly important in modern computer networks, precision and time synchronization is critical in many applications, particularly time sensitive transactions. Just imagine buying an airline seat only to be told at the a...
Similar Editorials : Windows Server

How to Run a Network Time Server in Windows Xp
by Richard n Williams.Time synchronisation in modern computer networks is essential. It not only provides the only frame of reference between all devices, it is critical in everything from securing, planning and debugging a network to providing a time stamp for applicatio...
Similar Editorials : Time Server Fundamentals

Snmp Traps and Network Management
by Groshan Fabiola.SNMP is a computer network protocol and stands for "Simple Network Management Protocol". Of course, most network managers complain that it is anything but "simple". This protocol is a method of communication that systems, routers, switches and other...
Similar Editorials : Money Traps

Social Networking Annoyances
by renu singh.The spyware, virus attacks, worms, SPAM are the issues no more only linked to your PC usage, but they have lots of doing with your social networking habits also. The security issues once raised only for PCs can now be more vigorously asked for social...
Similar Editorials : Social Networking

Home Network How To - What Kind Should I Use?
by Donald Willson.When I first started in computers, one of the most confusing things that I ran across was how to set up a home network. The differences between hubs, routers, Internet Connection Sharing (ICS) and cabling were a mystery to me. But after much trial an...
Similar Editorials : The Network Within

Wireless Networks - Quickly Becoming The Standard Setup
by Dave Page.Wireless networks have become incredibly popular - so much so that virtually all new laptop computers have wireless network cards included as part of a set of standard features. As a matter of fact, customers will offer salespeople a strange, blank l...
Similar Editorials : Networks and the Internet

Computer LAN & Local Area Network Backbone Wiring
by Colin Yao.:: The Definition of Backbone CablingBackbone cabling may be within one building or between buildings on a campus. All wiring between telecommunication rooms is called as backbone cabling.In many cases, backbone cabling is actually between wiring clo...
Similar Editorials : Computer and Computer Accessories

Troubleshoot Optical Fiber Networks: Time Domain Reflectometer
by Colin Yao.How Does an OTDR Work?In fiber optic networks, OTDR (Optical Time Domain Reflectometer) is an opto-electronic instrument used to characterize an optical fiber. OTDR is both the best known and least understood fiber optic instrument.OTDR does not meas...
Similar Editorials : Optical Drives

SONET & Synchronous Optical Networking- Technology Tutorial
by Colin Yao.The SONET standards were developed in the mid-1980s to take advantage of low-cost transmission over optical fibers. It defines a hierarchy of data rates, formats for framing and multiplexing the payload data, as well as optical signal specifications(...

An Introduction to ATM (Asynchronous Transfer Mode) Networks
by Colin Yao.The standards for ATM were first developed in the mid 1980s. The goal was to design a single networking strategy that could transport real-time video and audio as well as image files, text and email.ATM (Asynchronous Transfer Mode) has been proposed ...
Similar Editorials : Introduction To ISDN

Introduction to Remote Diagnostics for Network Systems
by Jimi St Pierre.One of the positive signs of company growth is the proliferation of branch office and additional remote locations. This growth is clearly to be welcomed, but also can present great challenges to IT teams.In addition to controlling business data centr...
Similar Editorials : Is Remote

How to Design a Highly Reliable Fiber Optic Network
by Colin Yao.What happens if a major fiber optic cable is cut or a major hubbing location is destroyed in a fiber network? Will the whole system be brought down?That is the subject of this article: the survivability of a well designed fiber network.Modern fiber o...
Similar Editorials : Fiber Optic Pool Lights

Cisco CCNA, CCENT Practice Questions: Hubs, Repeaters, IPv6
by Chris Bryant.Let’s test your knowledge of hubs, repeaters, Ipv6, and other important Cisco certification exam topics!CCENT Certification:Which of the following devices is considered a Layer 1 device?A. hubB. repeaterC. routerD. switchAnswers: A, B. Hubs and rep...
Similar Editorials : Cisco CCNA

Cisco CCNA / CCNP Tutorial: Home Lab Assembly Case Study
by Chris Bryant.Part of your CCNA / CCNP education is deciding what network topology to use when you're putting together your home lab.  Some of you are starting with one or two routers or switches, while others are starting with more.  A customer recently...
Similar Editorials : Cisco CCNA

Cisco CCNA Certification: Broadcasts, Unicasts, And Multicasts
by Chris Bryant.When you begin your CCNA studies, you get hit with a lot of different networking terms right away that you might not be familiar with. What makes it a little more confusing is that a lot of these terms sound a lot alike. Here, we're going to discuss ...
Similar Editorials : Cisco CCNA Certification

Cisco CCNA / CCNP Tutorial: Frame Relay End-To-End Keepalives
by Chris Bryant.One of the first things you learned about Frame is that the LMI also serves as a keepalive, or a heartbeat - and if three consecutive LMIs are missed, the line protocol goes down.  There's a limitation to LMI as a keepalive, though.  The LM...
Similar Editorials : Cisco CCNA

Cisco CCNA / CCNP Certification Exam Tutorial: Dialer Watch
by Chris Bryant.Dialer Watch is a vital part of your CCNA and CCNP studies, particularly for the BCRAN exam, but it's one of the most misunderstood technologies as well. To help you pass the CCNA and CCNP certification exams, here's a detailed look at Dialer Watch.D...
Similar Editorials : Cisco CCNA

Cisco CCNA Certification Exam Tutorial: Floating Static Routes
by Chris Bryant.To pass the Cisco CCNA and CCNP certification exams, as well as becoming a world-class networker, you've got to know how and when to use floating static routes. And if you're wondering what makes them "float" -- read on!In this example, R1 and R2 are...
Similar Editorials : Cisco CCNA Certification Exam

Cisco CCNA Certification Exam: Caller ID Screening & Callback
by Chris Bryant.As a CCNA and/or CCNP candidate, you've got to be able to spot situations where Cisco router features can save your client money and time.  For example, if a spoke router is calling a hub router and the toll charges at the spoke site are higher ...
Similar Editorials : Ccna Certification Exam

Cisco CCNA / CCNP Certification Exam: Cabling Your Home Lab
by Chris Bryant.More CCNA and CCNP candidates than ever before are putting together their own home labs, and there's no better way to learn about Cisco technologies than working with the real thing. Getting the routers and switches is just part of putting together a...
Similar Editorials : Cisco CCNA

Cisco CCNA Certification Exam: Direct Serial Connections
by Chris Bryant.A prime topic of your CCNA and CCNP CIT exams will be connecting Cisco routers directly via their Serial interfaces, and while the configuration is straightforward, there are some vital details and show commands you must know in order to pass the exa...
Similar Editorials : Cisco CCNA Certification

Cisco CCNP Certification Exam Tutorial: Cisco CCNP Programs
by Chris Bryant.As you probably know by now, Cisco's making some sweeping changes in their Cisco Certified Network Professional (CCNP) program.  Two longtime exams are being retired at the end of the year, two are being revised, and two new exams will be making...
Similar Editorials : Cisco CCNP Exam Tutorial

Cisco CCNA Certification: Frame Relay, Pings, Routing Protocols
by Chris Bryant.Cisco CCNA certification training includes troubleshooting your own work and that of others.  The best CCNA training you can do is indeed troubleshooting your own Cisco router and switch configurations - as I'm always telling my students, "I can...
Similar Editorials : Cisco CCNA Certification

Cisco CCNP Certification Training: CCNP BCMSN 642-812 Exam
by Chris Bryant.Cisco CCNP certification is about to become more valuable and more difficult! Cisco is making major changes to the CCNP certification program, retiring two exams (BCRAN and CIT) while updating two old friends, the BSCI and BCMSN exam.  Today, we...
Similar Editorials : Cisco CCNP Certification Training

Cisco CCNP Certification Training: New 642-825 ISCW CCNP Exam
by Chris Bryant.Cisco CCNP certification is getting a brand-new look, and that new look includes two new exams! The BCRAN and CIT exams are retiring at the end of 2006, and the exam replacing the BCRAN is the 642-825 Implementing Secure Converged Wide Area Networks ...
Similar Editorials : Cisco CCNA Certification Training

 
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