Which component is initially responsible for loading the kickstart image on Cisco MDS Switches?

Question

Options

• AROMMON
• BBIOS
• CNX-OS
• DBASH

• B
  3% (1)
• C
  91% (32)
• D
  6% (2)

Explanation

Note: The provided answer key appears to contain an error. Based on Cisco MDS documentation and standard NX-OS boot behavior, the correct answer should be A. ROMMON, not C.

On Cisco MDS switches, ROMMON (ROM Monitor) is the low-level firmware that executes immediately after hardware initialization and is responsible for locating and loading the kickstart image from bootflash or a remote source. NX-OS is the full operating system that loads after the kickstart image has already bootstrapped the environment - it cannot load the kickstart image because it isn't running yet at that stage. BIOS performs hardware POST and hands off to ROMMON but does not load NX-OS images directly. BASH is a Linux shell available within NX-OS and plays no role in the initial boot sequence.

Memory tip: Think of the boot order as a relay race - BIOS hands the baton to ROMMON, ROMMON loads the kickstart image (the "starter"), and the kickstart image then loads the full NX-OS system. ROMMON is always the one that "kicks off" the kickstart.

If this is from a practice exam or study guide, the answer key for this question appears to be incorrect. You may want to verify against official Cisco documentation (Cisco MDS 9000 NX-OS Software Configuration Guide, Boot Process section).

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