The first connection of a network device is the console connection. Console connections, aka out-of-band connections aka local management connections are used to help get the device ready to connec…

Cisco pioneered friendly command line interfaces. Don’t be afraid to hit enter. Configuration Modes Think of modes as different rooms with different command options available in them. Certain…

When networks are connected linearly (aka daisy chained), they can cause spanning tree loops and have single points of failure that can sever connections and take down the entire network. Networks …

OSI Model The Open Systems Interconnection (OSI) is used to describe network communication and how different network components work together. The TCP/IP model is the preferred network protocol sta…