CCNA

IOS devices store configuration commands in a configuration file. The two main configuration files are: the startup config – used …

Cisco devices usually have four types of memory: ROM (Read-only memory) – used to store the bootstrap program. This program …

Cisco IOS supports the use of the pipe function (represented by the | character) to filter the output of the show …

Cisco routers are almost useless without an IP address configured on one or more of their interfaces. To configure an …

Cisco uses the term interface to refer to physical ports on an IOS device. Interfaces can be configured with different …

Beginning with the IOS version 12.3, privileged-exec mode commands (such as show running-configuration, show interface status, etc.) can be executed …