Routers Cisco IOS cbt

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Cisco technology is built around the Cisco Internetwork Operating System (IOS), which is the software that controls the routing and switching functions of internetworking devices.
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A solid understanding of the IOS is essential for a network administrator.
Cisco technology
Operating System
IOS
is essential
network administrator
instructions
parameters
traffic in and
Bootstrap/POST
FLASH Memory-
IOS Images
are kept here
Erasable reprogrammable
Power down
or reload
Random Access memory
Routing Tables
Running
Configuration
Contents are
lost on reboot
NVRAM
Start up
Configuration Register
kept on reload
power-on self test
following characteristics
system software
Mini IOS
Stores bootstrap program

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Tags:
Cisco technology
Operating System
IOS
is essential
network administrator
instructions
parameters
traffic in and
Bootstrap/POST
FLASH Memory-
IOS Images
are kept here
Erasable reprogrammable
Power down
or reload
Random Access memory
Routing Tables
Running
Configuration
Contents are
lost on reboot
NVRAM
Start up
Configuration Register
kept on reload
power-on self test
following characteristics
system software
Mini IOS
Stores bootstrap program