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Question 229 - SK0-005 discussion

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A Linux server was recently updated. Now, the server stops during the boot process with a blank screen and an s> prompt. When of the following is the MOST likely cause of this issue?

A.
The system is booting to a USB flash drive
Answers
A.
The system is booting to a USB flash drive
B.
The UEFI boot was interrupted by a missing Linux boot file
Answers
B.
The UEFI boot was interrupted by a missing Linux boot file
C.
The BIOS could not find a bootable hard disk
Answers
C.
The BIOS could not find a bootable hard disk
D.
The BIOS firmware needs to be upgraded
Answers
D.
The BIOS firmware needs to be upgraded
Suggested answer: B

Explanation:

The most likely cause of this issue is that the UEFI boot was interrupted by a missing Linux boot file, such as grub.cfg or vmlinuz, which are essential for loading the Linux kernel and booting the system. The s> prompt indicates that the system entered into UEFI Shell mode, which is a command-line interface for troubleshooting UEFI boot issues. The administrator can use UEFI Shell commands to locate and restore the missing boot file or change the boot order. Verified

Reference: [UEFI Shell Guide]

asked 02/10/2024
Gerson Rodrigo Menendez
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