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Cisco CCNA Certification: Defining Broadcast 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 they are. The term "broadcast domain" falls into the latter category for many CCNA candidates.A broadcast domain is simply the group of end hosts that will receive a broadcast sent out by a given host.Read more…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 BGP will use to reach a given destination when multiple paths to that destination exist.In this free BGP tutorial, we're going to take a look at the NEXT_HOP attribute.Read more…An Introduction To MCSE Certification
Microsoft certifications are one of the most popular and coveted certifications in the information technology industry today. There is great demand for Microsoft-trained professionals in the job market. Microsoft also offers many certification levels depending upon user proficiency and the nature of the job.Read more…How to Pass the MCSE 2003
When I started down the certification path towards my MCSE 2003, I really didnt know where to start. Of course, as a helpdesk support person for 2 years I knew that being MCSE 2003 Certified would increase my chances of being promoted to a systems administration job or securing a new, higher paid role with another company.So I first went to Microsoft's MCSE Certification website to find out which exams I needed to pass.Read more…Online MCSE Certification
An MCSE certification is one of the most valued qualifications in the IT industry. The credentials of earning the MCSE traditionally would be same as earning it through an online system, and there are several advantages of following the online path.Through an online course, all study takes place at home or in the office, wherever is convenient.Read more…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 leaves the routing table and there is no other valid route to that specific destination, the ISDN link will come up.Read more…Hurricane Study Strategies to Stacking Up Computer Certifications
In many parts of the country we find that people with computer certifications are more plentiful than in other parts of the country. Recently when I was doing a study of this demographic and looking at the data from a computer magazine I noticed that many people who lived in Florida and along the Gulf Coast had more computer certifications per individual than in other parts of the country.In many parts the country there are severe shortages of people with computer certifications, while in other parts the country this is not as big a problem for large corporations.Read more…Cisco CCNA / CCNP Certification Tutorial: Frame Relay End-To-End Keepalives
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 LMI is exchanged only between the DTE and the closest DCE.Read more…IT Certifications: Do Your Clients Even Understand Them?
When targeting small businesses that are in the sweet spot size, what IT certifications do you typically need? One thing to keep in mind is that you are not selling to a real IT manager in most cases.Remember Who You Are Selling Your Services ToOf course, there are exceptions to the rule in certain industries and certain types of businesses.Read more…Cisco CCNA Certification Exam Tutorial: Port-Based Authentication
To pass your CCNA exam and earn this coveted certification, you must understand the details of port-based authentication. This knowledge has a great deal of value in production networks as well, since this authentication scheme is regularly implemented. Let's take a look at this particular CCNA skill.Read more…Cisco CCNA / CCNP Exam Tutorial: EIGRP Dual Queries, SIA, And Stub Routers
EIGRP is a major subject of the CCNA exam, and Cisco goes into even more detail with EIGRP on your CCNP exams. Part of that detail is the purpose and configuration of EIGRP stub routers.A problem with EIGRP comes in when a successor is lost and there is no feasible successor.Read more…Cisco CCNA / CCNP Certification Exam Tutorial: ISDN And Multilink PPP
ISDN is a huge topic on both your Cisco CCNA and BCRAN CCNP exams. While many ISDN topics seem straightforward, it’s the details that make the difference in the exam room and working with ISDN in production networks. Configuring and troubleshooting multilink PPP is just one of the skills you’ll need to pass both of these demanding exams.Read more…Cisco CCNA / CCNP Certification Exam Review: Protocol Basics
To earn your Cisco CCNA certification and pass the BSCI CCNP exam, you have to know your protocol basics like the back of your hand! To help you review these important concepts, here's a quick look at the basics of RIPv1, RIPv2, IGRP, and EIGRP.RIPv1: Broadcasts updates every 30 seconds to the address 255.Read more…Cisco CCNP / BSCI Exam Tutorial: 10 ISIS Details You Must Know!
Earning your CCNP certification and passing the BSCI exam depends on knowing the details of many Cisco technologies, ISIS chief among them. To help you prepare for exam success, here's a list of ISIS terminology and basic concepts that will help you pass this tough exam. Enjoy!Read more…CCNA / MCSE / CCNP Certification: Making Failure Work For You
Whether you're on the road to the CCNA, CCNP, MCSE, or you're on any other computer certification track, the odds are that sooner or later, you're going to fail an exam. It's happened to almost all of us, yours truly included. What you have to keep in mind in these times is that success is not a straight line.Read more…Cisco CCNA / CCNP / BCMSN Exam Review: Trunking And Trunking Protocols
To earn your CCNA or CCNP certification, you've got to understand the basics of trunking. This isn't just a CCNA topic - you must have an advanced understanding of trunking and etherchannels to pass the BCMSN exam and earn your CCNP as well. Before we address those advanced topics, though, you need to master the fundamentals!Read more…CCNP Certification / BCMSN Exam Tutorial: Server Load Balancing (SLB)
When you're working on your BCMSN exam on your way to CCNP certification, you'll read at length about how Cisco routers and multilayer switches can work to provide router redundancy - but there's another helpful service, Server Load Balancing, that does the same for servers. While HSRP, VRRP, and CLBP all represent multiple physical routers to hosts as a single virtual router, SLB represents multiple physical servers to hosts as a single virtual server.In the following example, three physical servers have been placed into the SRB group ServFarm.Read more…Cisco CCNA Certification Exam Tutorial: Keep Your Most Important Appointment
Imagine this. You have an appointment with a client to work on a server or router install. A few minutes before you're scheduled to be there, you decide there's something really good on TV you'd like to watch.Read more…CCNP Certification / BSCI Exam Tutorial: The BGP Neighbor Process
Like TCP, BGP is connection-oriented. An underlying connection between two BGP speakers is established before any routing information is exchanged. This connection takes place on TCP port 179.Read more…Cisco CCNP Certification / BCMSN Exam Tutorial: The HSRP MAC Address
To pass the BCMSN exam and earn your CCNP, you've got to know HSRP inside and out! Part of that is knowing how the MAC address of the virtual router is derived, and another part is knowing how to change this address. We'll look at both features in this tutorial.Read more…
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