When you’re studying for your CCNA exam, whether you’re taking the Intro-ICND path or the single-exam path, you’re quickly introduced to the fact that switching occurs at Layer 2 of the OSI model. No problem there, but then other terms involving switching are thrown in, and some of them can be more than a little confusing. What is “cell switching”?…
Category: Computer Certification
Cisco Ccna Ccnp Exam Tutorial Testing Isdn Links Without Pings
To earn your Cisco CCNA and CCNP certifications, you’ve got to master ISDN – and despite what some people say, there’s still a lot of ISDN out there that needs to be supported. And when it comes to troubleshooting ISDN, there’s a lot to look at. Is the correct ISDN switchtype configured? Are the dialer map statements correct? What about…
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. In the last few CCNP / BSCI…
Cisco Ccnp Bsci Exam Tutorial A Guide To Ipv6 Addressing
Learning IPv6 is paramount in your efforts to pass the BSCI exam and go on to earn your CCNP, and it’s going to help in your real-world networking career as well. IPv6 can be confusing at first, but it’s like anything else in Cisco or networking as a whole – learn one part at a time, master the fundamentals, and…
Cisco Ccnp Certification Bcmsn Exam Tutorial Uplinkfast
You remember from your CCNA studies that when a port goes through the transition from blocking to forwarding, you’re looking at a 50-second delay before that port can actually begin forwarding frames. Configuring a port with PortFast is one way to get around that, but again, you can only use it when a single host device is found off the…
Cisco Certification Introduction To Isdn
From the CCNA to the CCIE, ISDN is one of the most important technolgies you’ll work with. It’s also very common in the field ISDN is frequently used as a backup connection in case an organization’s Frame Relay connections go down. Therefore, it’s important to know ISDN basics not only for your particular exam, but for job success. ISDN is…
Cisco Ccna Ccnp Certification Exam Tutorial Dialer Watch
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. Dialer Watch allows you to configure a route or routes as “watched” when the watched route…
It S 2006 Do You Know Where Your It Career Is
Whether you’re thinking of starting a career with computers and information technology, or thinking about earning a professional certification such as the CCNA or MCSE to accelerate your career, there is no better time to start than today. Silicon Valley is hiring again, and while we all can’t work for Google, IT hiring is at its highest level in years…
Cisco Ccnp Certification Using The Bgp Command Update Source
When you start preparing for your CCNP exam, particularly the BSCI exam, you’re introduced to Border Gateway Protocol (BGP) configurations. BGP is unlike any protocol you learned during your CCNA studies, and even the similarities are a little bit different! BGP forms neighbor relationships, much like EIGRP and OSPF do. The interesting thing with BGP is that potential neighbors, or…
Cisco Ccna Certification Exam Tutorial Frame Relay Dlcis And Mappings
Passing the CCNA is tough, and one of the toughest parts is keeping all the acronyms straight! Frame Relay has plenty of those, and today we’re going to examine what DLCIs do and how they’re mapped on a Cisco router. Frame Relay VCs use Data-Link Connection Identifiers (DLCI – pronounced “del-see”) as their addresses. Unlike other Cisco technologies, VCs have…