Refer to the exhibit. A router boots to the prompt shown in the exhibit. What does this signify, and how should the network administrator respond?
A.
This prompt signifies that the configuration file was not found in NVRAM. The network administrator should follow the prompts to enter a basic configuration.
B.
The prompt signifies that the configuration file was not found in flash memory. The network administrator should use TFTP to transfer a configuration file to the router.
C.
The prompt signifies that the IOS image in flash memory is invalid or corrupted. The network administrator should use TFTP to transfer an IOS image to the router.
D.
The prompt signifies that the router could not authenticate the user. The network administrator should modify the IOS image and reboot the router.
The default boot sequence for Cisco IOS software:
1. NVRAM
2. Flash (sequential)
3. TFTP seiver (network boot)
4. ROM (partial IOS)
If a router boots up in ROM mode as shown in this example, it means that the router was unsuccessfully able to find a valid IOS to boot from, and a valid IOS image will need to be loaded onto it.
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