91.
Which of the following comes first in the Red Hat Enterprise Linux 7 boot
procedure?
- A.Systemd
- B.Kernel
- C.GRUB 2
- D.Initramfs
- Answer & Explanation
- Report
Answer : [C]
Explanation :
Explanation :
| During the boot procedure, the GRUB 2 boot loader gets loaded first. From here, the kernel with the associated initramfs are loaded, and once that has completed, systemd can be loaded. |
92.
You have just entered a kernel argument on the GRUB 2 boot prompt. Which
key(s) enables you to start with this boot argument?
- A.ZZ
- B.Ctrl+X
- C.Esc
- D.Enter
- Answer & Explanation
- Report
Answer : [B]
Explanation :
Explanation :
| The Ctrl+X key sequence leaves the GRUB 2 shell and continues booting. |
93.
Your initramfs seems faulty and cannot initialize the LVM volumes on your
disk. Which configuration file should you check for options that are used?
- A./etc/dracut.d/dracut.conf
- B./etc/dracut.conf
- C./etc/sysconfig/dracut
- D./etc/mkinitrd.conf
- Answer & Explanation
- Report
Answer : [B]
Explanation :
Explanation :
| The /etc/dracut.conf file is used for managing the initramfs file system. |
94.
You do not have the root password and want to reset it. Which kernel argument
offers the recommended way to reset it?
- A.init=/bin/bash
- B.init=/bin/sh
- C.systemd.unit=emergency.target
- D.rd.break
- Answer & Explanation
- Report
Answer : [D]
Explanation :
Explanation :
| The rd.break boot option enters at the end of the initrd phase. The root file system has not been mounted on / yet, which allows for easy troubleshooting. |
95.
You want to see exactly what is happening on system boot. Which two boot
options should you remove from the GRUB 2 boot prompt? (Choose two.)
- A.rhgb
- B.logo
- C.quiet
- D.silent
- Answer & Explanation
- Report
Answer : [A, C]
Explanation :
Explanation :
| The rhgb and quiet boot options make it impossible to see what is happening while booting. |
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