Cisco CCNA / CCNP Certification - Deciphering Ping Results
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 cand…
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 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 limitatio…
Google Goes Wireless In The Land Of The Free
In the heart of Silicon Valley a revolution is about
to take place. It could change the Universe as we
know it. Don’t laugh, this revolution will grab you
by the short wires and turn your world ups…
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…
Dish Network Satellite: Better TV for All
DISH Network satellite is the second largest provider of satellite TV services in the United States. The network also provides a satellite TV guide, the satellite dishes and free network deals. The op…
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…

