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500-920 · Question #35

When booting up a Cisco UCS Server you want to see boot time diagnostic messages of the POST, what action is required for you to do so?

The correct answer is D. Enable Quiet Boot on the Server's Service Profile. Quiet Boot in Cisco UCS controls whether the BIOS splash screen is displayed (suppressing POST messages) or whether POST diagnostic messages are shown instead; enabling it on the Service Profile (D) is the correct mechanism because Cisco UCS manages BIOS settings through Service

Troubleshoot Cisco UCS B-Series

Question

When booting up a Cisco UCS Server you want to see boot time diagnostic messages of the POST, what action is required for you to do so?

Options

  • AEnable Quiet Boot on the Server's BIOS
  • BRestart the Server
  • CDisable Fast Boot on the Server's BIOS
  • DEnable Quiet Boot on the Server's Service Profile
  • EDisable Fast Boot on the Server's Service Profile

How the community answered

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

Explanation

Quiet Boot in Cisco UCS controls whether the BIOS splash screen is displayed (suppressing POST messages) or whether POST diagnostic messages are shown instead; enabling it on the Service Profile (D) is the correct mechanism because Cisco UCS manages BIOS settings through Service Profiles-not by touching the server's BIOS directly.

Options A and C are wrong for the same architectural reason: in UCS, administrators do not configure BIOS settings directly on the server hardware; those settings are abstracted and pushed down via Service Profile BIOS policies. Option B (simply restarting) changes nothing about what is displayed-it just reboots with existing settings. Option E (Disable Fast Boot on the Service Profile) targets the wrong BIOS setting; Fast Boot skips portions of POST to speed up startup but is not the parameter that governs whether diagnostic messages are rendered on screen.

Memory tip: Think "Service Profile = the boss of the BIOS in UCS." Any time you want to change boot behavior on a UCS server, the answer almost always involves the Service Profile, not the bare-metal BIOS-this eliminates A and C immediately and narrows the choice to D or E.

Topics

#UCS Service Profile configuration#POST diagnostic messages#Fast Boot setting#Server boot process

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