Cisco CCNA Exam Tutorial: Five OSPF Hub-And-Spoke Details You Must Know!

Wednesday, January 2nd, 2008

CCNA exam success depends greatly on knowing the details, and if there’s one protocol that has a lot of details, it’s OSPF! This is true particularly of hub-and-spoke networks, so in this CCNA OSPF tutorial we’ll take a look at some of the more important hub-and-spoke OSPF details. This will help you in [...]

Cisco CCNP / BCSI Exam Tutorial: Broadcasts And The IP Helper-Address Command

Wednesday, January 2nd, 2008

While routers accept and generate broadcasts, they do not forward them. This can be quite a problem when a broadcast needs to get to a device such as a DHCP or TFTP server that’s on one side of a router with other subnets on the other side.
If a PC attempts to locate a DNS [...]

CCNP Certification / BCMSN Exam Tutorial: HSRP MAC Addresses And Timers

Wednesday, January 2nd, 2008

To earn your CCNP certification and pass the BCMSN exam, you’ve got to know what HSRP does and the many configurable options. While the operation of HSRP is quite simple (and covered in a previous tutorial), you also need to know how HSRP arrives at the MAC address for the virtual router - as [...]

Beginning In Photography: Tripod: Friend Or Foe?

Wednesday, January 2nd, 2008

They’re heavy, expensive, conspicuous, take time to set up and take apart again. In short, tripods are a nuisance. And in this age of digital cameras, we can always increase the ISO sensitivity to accommodate a low light situation. So why bother with one at all? Let’s look at some of the advantages of using [...]

Cisco CCNA Exam Tutorial: CCNA Recertification Requirements

Wednesday, January 2nd, 2008

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, you’ve got to be continually learning and staying up on the latest technologies and changes in the field. Part of this [...]

Cisco CCNA Certification Exam Tutorial: ISDN Details You Must Know

Tuesday, January 1st, 2008

CCNA exam success depends partially on knowing the details of ISDN, and there are plenty of them! To help you review for your CCNA exam, here are a few ISDN details that you must know on exam day. (They help in the real world, too &ndash and there are still plenty of ISDN networks [...]

Cisco CCNA Certification: Defining And Creating Collision Domains

Tuesday, January 1st, 2008

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 “collision domain” falls into the latter category for many CCNA candidates.
What exactly is “colliding” in the [...]

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

Tuesday, January 1st, 2008

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 haven’t started studying yet!”
From experience, I can tell you that this technique works. People complain about [...]

Cisco CCNA / CCNP Certification: Introduction To BGP Attributes

Tuesday, January 1st, 2008

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 most trouble at first. One thing I keep reminding today’s CCNP candidates about, though, is that [...]

Tips On Buying A Cisco CCNA / CCNP Home Lab Kit

Tuesday, January 1st, 2008

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 buy kits where you get multiple routers and switches, along with all the cables [...]