Glossary
kernel
shell
Command-line interface (CLI)
Graphical user interface (GUI)
Cisco IOS
Firmware
Console
Out-of-band
SSH
Telnet
Auxiliary port (AUX)
PuTTY
Tera Term
SecureCRT
Startup configuration
Random Access Memory (NVRAM)
Running configuration
Random Access Memory (RAM)
IPv4 address
Subnet mask
Default gateway
Physical ports
Virtual interface
Copper
Fiber Optics
Wireless
Ethernet
Local Area Network (LAN)
Layer 2 switch
Layer 3 addresses
Switch virtual interface (SVI)
Dynamic Host Configuration (DHCP)
Domain Name System (DNS)