Linux Foundation LFCS Exam - Topic 6 Question 84 Discussion

Actual exam question for Linux Foundation's LFCS exam

Question #: 84
Topic #: 6

[All LFCS Questions]

Which of the following commands brings a system running SysV init into a state in which it is safe to perform maintenance tasks? (Choose TWO correct answers.)

Ashutdown -R 1 now

Bshutdown -single now

Cinit 1

Dtelinit 1

Erunlevel 1

Show Suggested Answer

Suggested Answer: E

by Jesusita at Sep 12, 2024, 02:57 PM

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Jaime

3 months ago

Not sure about shutdown -single now, seems off to me.

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Carissa

3 months ago

Wait, can you really use shutdown -R 1 now for that?

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Enola

4 months ago

I always use runlevel 1 for maintenance.

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Glenna

4 months ago

I think telinit 1 is also correct!

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Shawnna

4 months ago

init 1 is definitely one of the right answers.

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Margot

4 months ago

I'm not entirely sure about runlevel 1, but I feel like it’s related to single-user mode as well.

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Ardella

4 months ago

I practiced a similar question where telinit was one of the options, and I think it also changes the runlevel, so it could be correct too.

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Brynn

5 months ago

I think shutdown -R 1 now might not be the best choice since it reboots the system instead of just switching to maintenance mode.

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Clarence

5 months ago

I remember that init 1 is supposed to bring the system to single-user mode, which is safe for maintenance.

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Christene

5 months ago

I'm a bit confused by the wording of this question. What exactly does it mean by "safe to perform maintenance tasks"? I'll need to think through the implications of each option carefully.

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Malcolm

5 months ago

I'm pretty confident about this one. The shutdown commands are for powering down the system, not just entering maintenance mode. I'll go with init 1 and telinit 1.

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Lucille

5 months ago

Okay, I've got this. The key is to look for commands that transition the system to a single-user or maintenance mode. I think init 1 and telinit 1 are the correct answers here.

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Brynn

5 months ago

Hmm, I'm a bit unsure about this one. I know the init command is used to change runlevels, but I'm not sure which ones are considered "safe" for maintenance.

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Laurena

5 months ago

This looks like a tricky question about SysV init commands. I'll need to think carefully about the differences between the options.

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Layla

10 months ago

Wait, what's the difference between init 1 and telinit 1? They both sound like they do the same thing. I'll have to research that a bit more.

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Wenona

10 months ago

Hmm, E) runlevel 1 looks like it might work, but I'm not sure if that's the same as single-user mode. I'll have to think this one through a bit more.

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Alonzo

10 months ago

Haha, A) shutdown -R 1 now? That's just going to reboot the system, not put it in single-user mode! These options are a bit confusing, but I think I've got it now.

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Marvel

9 months ago

User 3: So, the correct options are B) shutdown -single now and D) telinit 1.

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Alex

9 months ago

User 2: Alex is right, it won't put the system in single-user mode.

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Hannah

9 months ago

User 1: Yeah, A) shutdown -R 1 now will just reboot the system.

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Lashawnda

10 months ago

I'm not sure about that. Isn't B) shutdown -single now the command to enter single-user mode? I'll have to double-check the man pages.

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Melda

9 months ago

Yes, B) shutdown -single now is the command to enter single-user mode.

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Rebbecca

9 months ago

D) telinit 1

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Charlene

9 months ago

A) shutdown -R 1 now

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Fletcher

11 months ago

I'm not sure about the answer. Can you explain why those commands are the correct ones?

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Jamal

11 months ago

I agree with Penney. Those commands will bring the system into a safe state for maintenance tasks.

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Carman

11 months ago

I think C) init 1 and D) telinit 1 are the correct answers. They both bring the system into single-user mode, which is the safest state for maintenance tasks.

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