The Joy of Hex
Cisco certification candidates, particularly CCNA candidates, must master binary math. This includes basic conversions, such as binary-to-decimal and decimal-to-binary, as well as more advanced scenarios involving subnetting and VLSM.
Category Archives: Glossary
Cisco Password Recovery
It might happen on your CCNA exam, it might happen on your production network – but sooner or later, you’re going to have to perform password recovery on a Cisco router or switch. This involves manipulating the router’s configuration register, and that is enough to make some CCNA candidates and network administrators really nervous!
What the heck is a Router?
Router is a computer device that receives or forwards data packets to and from the Internet towards a destination in the process called routing. Router is the essential component of the computer networking that enables any sent data to arrive at the right destination.
Five Debug Commands to 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 never practice debug commands on a production network, it’s important to get some hands-on experience with them and not rely on “router simulators” and… Read More »
Deciphering Pings
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.
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 certification candidate, you know that telnet is simply a protocol that allows you to remotely connect to a networking device such as a router or… Read More »
Cable types you will need for your home lab
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 routers and switches work than to work with the real thing!
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 the details! One such detail knows the difference between error detection and error recovery. While the terms are sometimes used interchangeably, they are not the same thing.
What to Look for in a Computer Monitor
A computer monitor is important for any computer because it is what brings the world of computers to people visually. There are all sorts of different things to use for a computer monitor.
5 Common password mistakes to avoid
Are you making yourself a target for fraud? More and more often I am hearing stories of people who have had their accounts hacked. They have had money stolen, lost sleep, spent hours setting up new accounts, or had their credit ruined. Don’t let this happen to you.