Describe the key role of Cisco IOS, IOS-XE, IOS-XR and NX-OS Flashcards
Which market is iOS-XE aimed at?
Consumer/SME
Which lines of equipment does iOS-XE run on?
ISR 4Ks
Catalyst 8/9Ks
Which market is iOS-XR aimed at?
Service providers
Which lines of equipment does iOS-XR run on?
ASR 9Ks
Which market is NX-OS aimed at?
Data centers
What are the key benefits of NX-OS that makes it suitable for DC applications?
Extremely resilient software and hardware
What are some key features of NX-OS?
Modular software features
VPC = Virtual Port Channelling
OTV = Overlay Transport Virtualization
FC = Fiber channel
FCOE = FC Over Ethernet
Describe the three levels of the iOS configuration hierarchical model
User exec mode
Privileged exec mode
Global config mode
How do you enter privileged exec mode?
en / enable
How do you enter global config mode?
conf t / configure terminal
What mode does “hostname>” indicate?
User exec mode
What mode does “hostname#” indicate?
Privileged exec mode
What mode does “hostname(conf)” indicate
Global config mode
