This chapter covers the following topics that you will need to master as a CCNA:
·
The IOS and Its User Interface
This section examines the types of memory used
by the IOS, in addition to the commands used to examine and change the contents.
This section also describes the basic functions and help for the command-line
interface (CLI), and discusses how syslog messages are treated.
·
Configuration Processes and the Configuration File
The configuration file used
for a router contains all the configuration for that router. This section covers all
commands used to change the configuration and manipulate the configuration file.
·
Managing IOS Images
This section covers in detail the processes for upgrading
the IOS in Flash memory, as well as the commands used to tell the router which IOS
image to use. Password recovery is included as well.
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