Learning To Navigate Cisco’s Online Documentation
When studying for your Cisco CCNA, CCNP, or CCIE exam, you’ve got a powerful online weapon at your disposal. It’s Cisco Connection Documentation, found at www.cisco.com/univercd. This site contains …
Cisco CCNA Certification: The Hidden Details Of Telnet
Telnet is a simple yet powerful program that allows you to connect to a remote Cisco router or switch, and then configure it as though you were right at the console. Telnet is also one of those feat…
Cisco Certification: Introduction To ISDN, Part IV
In part III of this ISDN primer, we learned that PPP has two main methods of authentication that Cisco certification candidates need to know how to configure: PAP and CHAP.PAP has very few advantages…
Cisco CCNA Exam Tutorial: Split Horizon And Hub-And-Spoke Networks
For CCNA exam success, you had better know what split horizon is, how to turn it off, and when to turn it off. Knowing when to turn split horizon off is also important in production networks, because…
Network+ / CCNA Certification Exam Tutorial: Port Numbers And Troubleshooting
Passing the Network+ and CCNA exams demands that you know quite a few port numbers, but they’re important to know when working with real-world networks as well. Before we discuss why, here’s a partia…
CWNP - A Vendor-Independent Certification Path
Planet3 Wireless is a creator and provider of IT training, courseware, and certification exams for wireless LAN technologies in the computer networking industry. Planet3 employs contract Subject Matte…
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 ai…
CCNA Exam Tutorial: MAC Addressing Formats And Broadcasts
Your CCNA exam success depends on your mastery of networking, routing, and switching fundamentals. Those fundamentals have to include knowledge of MAC addresses, so let’s take a close look at Media…

