Which item is stored in ROM besides bootup instructions?

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Multiple Choice

Which item is stored in ROM besides bootup instructions?

Explanation:
ROM holds the basic firmware needed to start the device and perform initial checks, plus a small set of diagnostic utilities that help you recover or troubleshoot if the main operating system isn’t available. The full operating system (IOS) is loaded from flash into RAM, not from ROM. The startup configuration lives in NVRAM, and the IP routing table is built in RAM as the router runs. So the item stored in ROM besides the boot instructions is the basic diagnostic software.

ROM holds the basic firmware needed to start the device and perform initial checks, plus a small set of diagnostic utilities that help you recover or troubleshoot if the main operating system isn’t available. The full operating system (IOS) is loaded from flash into RAM, not from ROM. The startup configuration lives in NVRAM, and the IP routing table is built in RAM as the router runs. So the item stored in ROM besides the boot instructions is the basic diagnostic software.

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