Exam Essentials
Define the Cisco router components. Describe the functions of the bootstrap, POST, ROM monitor, mini-IOS, RAM, ROM, flash memory, NVRAM, and the configuration register.
Identify the steps in the router boot sequence. The steps in the boot sequence are POST, loading the IOS, and copying the startup configuration from NVRAM to RAM.
Understand configuration register commands and settings. The 0x2102 setting is the default on all Cisco routers and tells the router to look in NVRAM for the boot sequence. 0x2101 tells the router to boot from ROM, and 0x2142 tells the router to not load the startup-config in NVRAM to provide password recovery.
Perform password recovery. The steps in the password recovery process are interrupt the router ...
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