An administrator is asked to install and power-on a new MX740c sled in an MX7000 chassis. The administrator inserts the sled and presses the power button. They notice that the power button LED is…

Question

Options

• AiDRAC was booting
• BLifecycle Controller update was in progress
• CLifecycle Controller was taking firmware inventory
• DiDRAC was updating firmware

• A
  88% (58)
• B
  2% (1)
• C
  3% (2)
• D
  8% (5)

Explanation

When a new MX740c sled is inserted into an MX7000 chassis and the power button is pressed, the blinking green LED specifically indicates that iDRAC is initializing. iDRAC (Integrated Dell Remote Access Controller) is the embedded management controller that must fully boot before the host server can receive power - once it finishes, the LED transitions to solid green and the server powers on normally.

Why the distractors are wrong:

• B (Lifecycle Controller update) is incorrect because a firmware update is a deliberate, triggered operation - it would not begin automatically just from inserting a sled and pressing the power button.
• C (Lifecycle Controller firmware inventory) happens after iDRAC has booted and the system is already initializing, not during the blinking phase.
• D (iDRAC firmware update) is also a triggered process and would take considerably longer than the "short time" described in the scenario.

Memory tip: Think of iDRAC as the "gatekeeper" - the server literally cannot power on until iDRAC is awake and in control. The blinking green = iDRAC is waking up; solid green = gatekeeper is ready, server can proceed. If you remember that iDRAC always boots first in Dell modular chassis, option A becomes the natural answer.

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