Network Essential Version C (LE) Practice Test

From which storage medium is the IOS image typically loaded during boot?

Flash NVRAM RAM ROM

Correct Answer:

Flash

Explanation:

The IOS image is loaded from flash memory during boot. On Cisco devices, flash holds the non-volatile store of the IOS image; the boot loader copies that image from flash into RAM to run. NVRAM stores the startup configuration, not the OS image, and RAM is volatile memory used for the running system, while ROM typically contains a bootstrap or a minimal, non-default IOS for recovery, not the normal load. So flash is the typical source for the IOS image.

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