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RedHat Discussions
Exam EX200 Topic 2 Question 77 Discussion
RedHat Exam EX200 Topic 2 Question 77 Discussion
Actual exam question for RedHat's EX200 exam
Question #: 77
Topic #: 2
[All EX200 Questions]
Open kmcrl value of 5 , and can verify in /proc/ cmdline
A
Explanation:
# vim /boot/grub/grub.conf
kernel/vmlinuz-2.6.32-71.el6.x86_64 ro root=/dev/mapper/GLSvg-GLSrootrd_LVM_LV=GLSvg/GLSroot
rd_LVM_LV=GLSvg/GLSswaprd_NO_LUKSrd_NO_MDrd_NO_DM
LANG=en_US.UTF-8 SYSFONT=latarcyrheb-sun16 KEYBOARDTYPE=pc KEYTABLE=us crashkernel=auto rhgb quiet kmcrl=5
Restart to take effect and verification:
# cat /proc/cmdline
ro root=/dev/mapper/GLSvg-GLSroot rd_LVM_LV=GLSvg/GLSroot rd_LVM_LV=GLSvg/GLSswap rd_NO_LUKS rd_NO_MD rd_NO_DM
LANG=en_US.UTF-8 SYSFONT=latarcyrheb-sun16 KEYBOARDTYPE=pc KEYTABLE=us rhgb quiet kmcrl=5
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Suggested Answer:
A
by
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Oct 22, 2023, 04:17 AM
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Bobbye
1 days ago
Wait, are we sure this isn't some kind of ancient Linux witchcraft? I'll just put down the correct answer and hope the exam gods are merciful.
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Freeman
4 days ago
Okay, so we're looking for the value of 5 in the /proc/cmdline. Easy peasy, let's move on to the next question!
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Joesph
5 days ago
Hmm, I wonder if the kmcrl value can be used to control the speed of the kernel's unicorn-powered dance moves.
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Deane
8 days ago
That's true, following the steps in the explanation should help us understand it better.
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Amos
9 days ago
Ah, the classic kmcrl parameter! I remember spending hours trying to figure that one out. Good thing the explanation is clear.
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Chauncey
11 days ago
I agree, but the answer option A provides a clear explanation on how to verify it in /proc/cmdline.
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Deane
13 days ago
I think the question about open kmcrl value of 5 is tricky.
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Bobbye
1 days agoFreeman
4 days agoJoesph
5 days agoDeane
8 days agoAmos
9 days agoChauncey
11 days agoDeane
13 days ago