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Cisco CCNA

CCNA / CCNP Home Lab Tutorial: Assembling Your Cisco Home Lab

A CCNA or CCNP candidate who wants to be totally prepared for their exams is going to put together a home lab to practice on. With used Cisco routers and switches more affordable and plentiful then ...

CCNA Certification Exam Tutorial: Five Frame Relay Details You Must Know!

When you're studying for your CCNA exam on the way to earning this coveted Cisco certification, the details can seem overwhelming! In this article, I'll point out five Frame Relay details that you mu...

CCNP / BSCI Exam Tutorial: IP Version 6 Zero Compression

BSCI exam success is all part of becoming a CCNP, and part of that success is now learning the basics of IP Version 6, or IPv6. One of the most difficult parts of learning IPv6 concepts is the radic...

Cisco / MCSE Exam Study: Creating A Road Map To Success

Planning for success on the CCNA, CCNP, and other Cisco exams is much like taking a trip in your car. You've got to plan ahead, accept the occasional detour, and just keep on going until you get ther...

Cisco CCNA / CCNP Certification: Deciphering Ping Output

As you study for your CCNA and CCNP exams, particularly if you're getting hands-on practice in your home lab or rack rental service, you're going to be sending a lot of pings. As a CCNA or CCNP can...

Cisco CCNA / CCNP Certification: Introduction To BGP Attributes

BGP is one of the most complex topics you'll study when pursuing your CCNP, if not the most complex. I know from personal experience that when I was earning my CCNP, BGP is the topic that gave me the...

Cisco CCNA / CCNP Exam Tutorial: Five Debugs You Must Know

To pass the BSCI exam and move one step closer to CCNP certification success, you've got to know how and when to use debug commands to troubleshoot and verify network operations. While you should nev...

Cisco CCNA / CCNP Home Lab Tutorial: A Guide To Cable Types

When you're putting your CCNA and/or CCNP home lab together, you're not just buying routers and switches you're creating a blueprint for success. There is no better way to learn about how real Cisco ...

Cisco CCNA / CCNP Home Lab Tutorial: Buying And Building A Frame Relay Switch

One of the major topics on your CCNA and CCNP exams is Frame Relay. Additionally, Frame Relay is one of the most popular WAN technolgies in today's networks. Getting hands-on experience with Frame Re...

Cisco CCNA / CCNP Home Lab Tutorial: Buying And Configuring An Access Server

A Cisco access server is generally the last item a CCNA or CCNP candidate has on their mind when they're putting together a home lab. The thinking tends to be that since this router isn't really doin...

Cisco CCNA / CCNP Home Lab Tutorial: Cabling Your Access Server

A Cisco home lab is an invaluable study tool when you're preparing for CCNA and CCNP exam success. Once you've gotten a couple of routers and switches, you'll quickly get tired of moving that blue c...

Cisco CCNA / CCNP Home Lab Tutorial: Starting Over

When you're preparing for success on your CCNA or CCNP certification exams, sooner or later you're going to want to start totally from scratch on your Cisco routers and switches. It's easy enough to ...

Cisco CCNA / CCNP Home Lab Tutorial: The (Many) Cable Types And Their Purposes

One of the most common questions I get from CCNA and CCNP candidates who are setting up their own home labs is "What cables will I need?" The answer is "It depends." As you know from your exam studie...

Cisco CCNA / CCNP Home Lab: How To Configure Reverse Telnet

Occasionally, during your CCNA and CCNP studies, you'll run into a term that just doesn't quite make sense to you. (Okay, more than occasionally!) One such term is "reverse telnet". As a Cisco cer...

Cisco CCNA / CCNP Home Lab: Configuring An Access Server

As your CCNA / CCNP home lab expands, an access server such as the Cisco 2509 or 2511 is one of the best investments you can make. In this article, we'll look at the basic configuration for an access...

Cisco CCNA / CCNP Home Lab: Why You Need An ISDN Simulator

ISDN is a vital topic for today's CCNA and CCNP candidates, especially for the ICND and Intro exams - you've got to know ISDN inside and out to pass those exams. Naturally you want to include it in y...

Cisco CCNA / CCNP Home Labs: Developing Troubleshooting Skills

CCNA / CCNP candidates are going to be drilled by Cisco when it comes to troubleshooting questions. You're going to have to be able to analyze configurations to see what the problem is (and if there...

Cisco CCNA / CCNP Tutorial: Home Lab Assembly Case Study

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...

Cisco CCNA Certification Exam Tutorial: Creating A Study Plan

Whether you're just starting to think about passing the CCNA or CCNP exams, or you've been on the certification track for a while, you've got to have a plan for success. If you wanted to drive your c...

Cisco CCNA Certification Exam Tutorial: OSPF Hub-And-Spoke

CCNA certification demands that you master the basics of OSPF, and for many studying for the CCNA exam, their first exposure to OSPF is a hub-and-spoke configuration. That's a tough way to get start...

Cisco CCNA Certification Exam: The OSI Model's Physical Layer

To pass your CCNA exam and earn this coveted certification, you've got to master the seven layers of the OSI model and what each layer does. For those of you taking the two-exam path, you can expec...

Cisco CCNA Certification: Broadcasts, Unicasts, And Multicasts

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 ter...

Cisco CCNA Certification: Defining And Creating Collision Domains

When you're studying to pass the CCNA exam and earn your certification, you're introduced to a great many terms that are either totally new to you or seem familiar, but you're not quite sure what the...

Cisco CCNA Certification: Defining Broadcast Domains

Cisco CCNA Certification: Error Detection vs. Error Recovery

Passing the CCNA, Intro, and ICND exam is all about knowing and noticing the details. (Which makes perfect sense, since becoming a master networking administrator or engineer is also about noticing ...

Cisco CCNA Certification: How And Why Switches Trunk

Your CCNA studies are going to include quite a bit of information about switches, and for good reason. if you don't understand basic switching theory, you can't configure and troubleshoot Cisco switc...

Cisco CCNA Certification: Cisco Switching Modes Tutorial

To pass the CCNA exam and earn that coveted certification, you've got to know Cisco switches inside and out. Among the many important details you've got to know are the three methods that Cisco switc...

Cisco CCNA Certification: Five Key Combinations You Should Know

When you start studying for your CCNA and CCNP exams, many books will present you with a huge list of keystroke shortcuts for use on Cisco routers. While the 640-801, 811, and 821 exams may ask you ...

Cisco CCNA Certification: The Value Of The CCNA And CCNP

One question I see often on the 'Net is "Is it worth my time to earn a CCNA / CCNP / CCIE certification?" My personal answer to that is a resounding yes. The power of Cisco certifications has allowed...

Cisco CCNA Certification: Why You MUST Have Hands-On Experience

CCNA and CCNP candidates hear it all the time: “you have to get some hands-on experience to pass the exams”. Candidates tend to think that’s just so they can solve the simulator problems, but that’s...

Cisco CCNA Exam Tutorial: Route Summarization

Preparing to pass the CCNA exam and earn this important Cisco certification? Route summarization is just one of the many skills you'll have to master in order to earn your CCNA. Whether it's RIP ve...

Cisco CCNA Exam Tutorial: Directly Connected Serial Interfaces

To pass the CCNA exam, you've got to master quite a few services and routing protocols that may be new to you. Between RIP, IGRP, EIGRP, OSPF, and switching, there are hundreds of details you've got ...

Cisco CCNA Exam Tutorial: Keeping Your CCNA Current

Passing the CCNA exam and earning this coveted Cisco certification is an important step in your career, but it's not the end of your responsibilities as a CCNA! When you work with computer networks, ...

Cisco CCNA Exam Tutorial: Prefix Notation

When you're preparing to pass the CCNA exam and earn this coveted Cisco certification, you've got to be totally prepared for the many kinds of binary and subnetting questions Cisco may throw at you. ...

Cisco CCNA Exam Tutorial: The Best Time To Schedule Your Exam

In preparing for CCNA exam success, one of the basic steps is to schedule your exam! And when should you do that? Schedule your exam NOW. I can hear you now -- " Why should I schedule my exam now? I ...

Cisco CCNP / BCMSN Exam Tutorial: Static VLANs

BCMSN exam success and earning your CCNP certification requires you to add to your knowledge of VLAN configuration. When you studied for your CCNA exam, you learned how to place ports into a VLAN and...

Cisco CCNP / BSCI Certification: Troubleshooting Route Redistribution, Part I

If there's one CCNP / BSCI topic that looks so easy but can lead to a real headache, it's route redistribution. I'm not even talking about the routing loops and suboptimal routing that can result w...

Cisco CCNP / BSCI Certification: Introduction To ISIS Terminology

When you're studying to pass the BSCI exam and earn your CCNP certification, you're going to be introduced to ISIS. ISIS and OSPF are both link-state protocols, but ISIS works quite differently from ...

Cisco CCNP / BSCI Certification: The BGP Attribute “MED”

When you're preparing to pass the BSCI exam and earn your CCNP certification, one of the biggest challenges is learning BGP. BGP is totally different from any protocol you learned to earn your CCNA c...

Cisco CCNP / BSCI Exam Tutorial: Leading Zero Compression

The BSCI exam and CCNP certification requires that you be well versed in the basics of IP Version 6, or IPv6. If you're new to IPv6, you'll quickly learn that it's not exactly just two more octets sl...

Cisco CCNP / BSCI Exam Tutorial: OSPF Router Types

When you're preparing to pass the BSCI exam on the way to the coveted Cisco CCNP certification, you can be quickly overwhelmed by the sheer amount of BGP and OSPF knowledge you must demonstrate a mas...

Cisco CCNP / BSCI Tutorial: Route Summarization With RIP And EIGRP

To pass your BSCI exam and earn your CCNP certification, you've got to master route summarization. When you get to the BSCI level, actually breaking the routes down into binary strings and performing...

Cisco CCNP / BSCI Tutorial: The BGP Attribute NEXT_HOP

When you're studying for the BSCI exam on the way to earning your CCNP certification, you've got to master the use of BGP attributes. These attributes allow you to manipulate the path or paths that B...

Cisco CCNP / BSCI Tutorial: The Roles Of The OSPF ASBR

To pass the BSCI exam and earn your CCNP certification, you've got to master the (many) details of OSPF. You might have thought there were quite a few OSPF details in your CCNA studies, but you'll no...

Cisco CCNP / BSCI Tutorial: Comparing OSPF and ISIS Hellos

While studying to pass the BSCI exam and preparing to earn your CCNP certification, you'll quickly notice that while OSPF and ISIS are both link-state protocols, there are a lot of differences betwee...

Cisco CCNP Certifcation: Using The "Update-Source" Command In BGP

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 stu...

Cisco CCNP Certification / BSCI Exam Tutorial: Troubleshooting Route Summarization

As you earn your CCNA and CCNP certification, you're going to have to get comfortable with manually summarizing routes. This isn't just another reason to learn binary math (although it's a good one!...

Cisco CCNP Certification / BSCI Exam: Five OSPF Details You Must Know!

Preparing for your BSCI exam on your way to the Cisco CCNP certification, you can quickly get overwhelmed by the details! Here are five commonly overlooked points you should keep in mind when it com...

Cisco CCNP Certification FAQ

To earn your CCNP, you've got to pass some very rigorous Cisco exams, and you also need to know the rules regarding this important certification. In this article, I'll answer some of the most common...

Cisco CCNP Certification: The BGP Weight Attribute

When you're studying for the CCNP certification, especially the BSCI exam, you must gain a solid understanding of BGP. BGP isn't just one of the biggest topics on the BSCI exam, it's one of the larg...

Cisco CCNP Certification: BGP Attribute Category Tutorial

You have to master the details on BGP to pass the BSCI exam and to earn your CCNP, but BGP is an entirely new world from the protocols you studied to earn your CCNA. BGP paths contain attributes, whi...

Cisco CCNP Certification: Introduction To BGP

Cisco certification candidates are introduced to BGP at the CCNP level, but the reaction to its introduction always reminds me of something I see often as the CCNA level. Whenever I teach distance-ve...

Cisco CCNP Certification: The Local Preference BGP Attribute

When studying for your BSCI exam for the CCNP, you get your first taste of BGP. One of the major differences between BGP and the other protocols you've studied to date is that BGP uses attributes to ...

Cisco Certification: Keeping Your CCNA and CCNP

Once you get your CCNA and CCNP, you can't just rest on your accomplishment. You've got to continue to study and add to your skill set - and then prove to Cisco you've been doing just that by recerti...

Cisco Certification: The "Secret" Key To Getting Your CCNA And CCNP

Whether you're working on your CCNA or CCNP, Cisco certification exams are the most demanding computer certification exams in the IT field. Cisco exams are not a test of memorization, they're a test...

Cisco Certification: In What Order Should You Take Your CCNP Exams ?

When you choose to pursue your Cisco Certified Network Professional certification, you've got some decisions to make right at the beginning. Cisco offers a three-exam path and a four-exam path, and y...

Cisco Certification: The Most Important Cisco Study You'll Ever Do Is....

All of us are familiar with the pyramids of Egypt. These magnificent structures have stood for thousands of years, withstanding extreme heat and other factors that would bring down an ordinary struct...

Cisco Certification: The OSI Model Isn't Just For Exams Anymore!

There's nothing I enjoy more than teaching Cisco technologies, especially CCNA candidates. Whether it's in-person or online, everyone's excited to be there. There's a sense of anticipation in the air...

Cisco Routing For The CCNA And CCNP: Administrative Distance

The textbook definition of "administrative distance" is simple enough: "the measurement of a protocol's believability". It's not enough to know the definition, however you've got to know when AD come...

Cisco Routing: "ip default-gateway" vs. Static Default Routes

One point of confusion for some CCNA and CCNP candidates is the difference between configuring a static default route and using the Cisco routing command ip default-network. At first glance, they app...

Four Important Commands For Your CCNA / CCNP Home Lab

More CCNA and CCNP candidates than ever before are putting together their own home practice labs. It's more affordable than it ever has been, and I receive emails daily from new CCNAs and CCNPs who ...

How To Earn Cisco's CCNP Certification

Congratulations on your decision to earn your CCNP certification! As a CCIE, I can tell you that Cisco certifications are both financially and personally rewarding. To earn your CCNP, you first ha...

How To Earn Cisco's VPN Specialist Certification

There's quite an emphasis on security in today's networks, and that's reflected in Cisco's certification tracks. Cisco offers a CCIE Security track and the Cisco Certified Security Professional (CCS...

Passing Cisco's CCNA and CCNP Exams: Five Tips For Exam Day Success

As you get ready to pass the CCNA or CCNP exams, you can feel quite a bit of stress as you enter your last week of study. Let's take a look at a few ways to reduce that stress. 1. Do not stay up late...

Passing Cisco's CCNA and CCNP Exams: The VLAN.DAT File

CCNA and CCNP candidates who have their own Cisco home labs often email me about an odd situation that occurs when they erase a switch's configuration. Their startup configuration is gone, as they e...

Passing The Cisco CCNA Exam: An Illustrated Guide To Router Modes

When you're getting started on your CCNA studies, learning the different router modes is key to passing your Intro and ICND exams. But keeping those modes straight can be very difficult. (At least it...

Tips On Buying A Cisco CCNA / CCNP Home Lab Kit

Buying a CCNA / CCNP home lab is the best way to be totally prepared for your Cisco exams. Most home labs are put together one router or switch at a time, but many CCNA / CCNP candidates prefer to b...