Once installed and launched, Packet Tracer will load a copy of the CCNA simulation network topology. It is best to use a network that you have already created, such as your home network, or you can start with a fresh network to practice. If you load a network that you have created, it will be connected to the simulated network using the router you have selected.
The simulation features multiple servers that can be used to practice the various operating systems. You can practice NetBIOS and Active Directory, file and print servers, DHCP and TFTP servers, as well as an NT Domain Controller.
You can download the CCNA Packet Tracer simulation desktop application from this website. The simulator is free to use, but you will need to register with Packet Filter if you wish to use the facility.
The simulation provides a great way to learn about the workings of a router, and it is highly recommended that you use the simulator when practicing troubleshooting. It is also a great way to begin learning how to use the command line and interact with the router using the command line.
The Packet Tracer simulation includes a desktop application that can be downloaded and run on any operating system. It installs just like any other program, so it can be run on a Windows, Linux, or Mac OSX computer.
If you are an advanced user, you can also add your own servers as you see fit. If you are looking for a real-world test environment for your CCNA exams, the CCNA Packet Tracer simulation may be just what you are looking for.
Once you have completed the CCNA Security Fundamentals exam, you will be able to move on to the CCNA Security Foundation Study Guide , which introduces you to the concepts and processes of Network Security.