What is a VoIP Router?
Voice over Internet Protocol is a new way to talk on your phone through your broadband internet connection. A VoIP router is needed to help you use the same phone you have been using before your VoIP connection.
Category Archives: Glossary
What is a network patch panel ?
Patch panels are used as the central point in a network where all the network cables terminate. It is the grand central station of the network. Networks that use patch panels (and almost all modern networks use this technology) are consider “star-networks” or they use the term “star-topology.”
What is an Extranet?
An extranet is an extension of your company’s internal network that allows outside users to provide and access information in a secure environment. Like an intranet, it is web browser based, making information available on any computer without any special equipment.
How does a firewall work?
You may have heard the term firewall before, but have you ever wondered how does a firewall work and why do I need one? A computer firewall protects your computer by putting up a barrier to keep anyone from accessing your files when you are surfing the Internet.
How Podcasting Works
It has been said that in October of 2004 a Google search returned less than 6,000 results for the term “podcasting”. Today, a similar search yields more than 8,560,000 results. Like the blogging phenomenon, podcasting has come out of nowhere and attracted an enthusiastic following. While some traditional radio talk shows have begun providing podcasts of their regularly… Read More »
How SIP works
Have you ever wondered why long-distance calls cost so much? In part the reason is because telephone lines cost so much. When driving, you might occasionally see a telephone crew maintaining a telephone line, but what you may have never considered is that there are literally thousands of individuals working around the clock to maintain our telephone lines.
How Do Wireless Networks Work?
Wireless networks work using radio waves instead of wires to transmit data between computers. That’s the simple version. If you’re curious to know what’s going on in more detail, then it’s all explained in this post.
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.
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.