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Found articles: 263

  • Cisco CCNP / BSCI Exam Tutorial: EIGRP Route Summarization

     Summarizing routes is a vital skill to learn to pass the BSCI exam and get one step closer to earning your CCNP. The actual binary conversions are only part of the test, though! You've got to know how to correctly apply the summary routes, and that differs from one protocol to the next.More

  • Three Ways To Jumpstart Your IT Career

     We all get stuck in ruts from time to time, and that happens on the job as well. You've thought about doing something different with your information technology career, but just haven't quite gotten around to it yet. Sound familiar?More

  • Your Information Technology Career: Beware The Comfort Zone

     I've seen it happen time and again to programmers, network engineers and administrators, and other IT personnel. They get a solid IT position, a good-paying job, and they get comfortable. They stop keeping up with the latest technologies, they stop studying, they no longer keep their CCNA, MCSE, and other industry certifications up-to-date....More

  • How To Start Your Information Technology Career - Or Jumpstart It!

     Many newcomers to the IT field are surprised when they find out it's tougher to get that first job than they thought it would be. I know exactly what that's like. I've had a great career in IT and I'd recommend it to anyone, but I had a tough time breaking in as well.More

  • Surviving The Technical Interview

     Ah, the technical interview. Nothing like it. Not only does it cause anxiety, but it causes anxiety for several different reasons.More

  • Cisco / Microsoft Computer Certification: Be Ready For Your Opportunity

     I was reading The Big Moo: Stop Trying To Be Perfect and Start Being Remarkable this morning, and I’d recommend a copy of this to anyone who wants to improve their career and their future. And that’s all of us, right?There was one particular line that really stood out to me: Betting on change is always the safest bet available.More

  • Cisco CCNA / CCNP Certification Exam: Troubleshooting Direct Serial Connections

     Connecting Cisco routers directly via their Serial interfaces works really well once you get it running - and getting such a connection up and running is easy enough. You can use show controller serial x to find out which endpoint is acting as the DCE, and it's the DCE that must be configured with the clockrate command.R3#show controller serial 1HD unit 1, idb = 0x11B4DC, driver structure at 0x121868buffer size 1524 HD unit 1, V.More

  • Cisco CCNA / CCNP Certification Exam Lab: Frame Relay Subinterfaces And Split Horizon

     Earning your Cisco CCNA and CCNP is a tough proposition, and part of that is the fact that you quickly learn that there’s usually more than one way to do things with Cisco routers – and while that’s generally a good thing, you better know the ins and outs of all options when it comes to test day and working on production networks. Working with Frame Relay subinterfaces and split horizon is just one such situation.One reason for the use of subinterfaces is to circumvent the rule of split horizon.More

  • Cisco CCNA / CCNP Certification Exam: Cabling Your Home Lab

     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 great CCNA / CCNP home lab, though. You've got to get the right cables to connect the devices, and this is an important part of your education as well.More

  • Cisco CCNA / CCNP Certification Exam: Caller ID Screening And Callback

     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 than that of the hub router, having the hub router hang up initially and then call the spoke router back can save the client money (and make you look good!)A popular method of doing this is using PPP callback, but as we all know, it's a good idea to know more than one way to do things in Cisco World!More