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Which run levels should never be declared as the default run level when using SysV init? (Choose TWO correct answers.)
Suggested Answer: A, E
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30 comments · newest first
DE
Detra
7 months ago
Yeah, A and E make sense. Safety first!
LA
Lang
7 months ago
But B can be useful for recovery, right?
RA
Rasheeda
7 months ago
B is also risky, it's single-user mode.
GL
Glory
7 months ago
Agreed! A is shutdown, and E is reboot.
AL
Alverta
7 months ago
I think A and E should never be default.
OL
Olga
8 months ago
Wow, I didn't know that! Thanks for the heads up!
SH
Shalon
8 months ago
1 is single-user mode, definitely not default!
AL
Albina
8 months ago
Wait, are you sure about 1? I thought it was safe.
EN
Ena
8 months ago
Haha, imagine if your system just rebooted itself every time you logged in. That would be a real party trick!
LO
Lorrine
9 months ago
A and E? Really? That's like setting your default to power off or reboot. Not very useful!
RE
Refugia
9 months ago
Hmm, I'm gonna go with B and D. Wouldn't want my system stuck in rescue mode or the graphics runlevel.
LA
Lawrence
9 months ago
I'd say 1 and 5 are no-go's. Who wants to boot into single-user mode or X11 by default?
KI
Kina
9 months ago
Definitely not 0 and 6, those are for shutting down and rebooting the system.
VI
Viva
9 months ago
I’m a bit confused about run levels, but I think 0 and 6 are definitely not safe as defaults because they lead to shutdown or reboot.
HA
Han
10 months ago
I practiced a similar question last week, and I feel like run levels 0 and 6 are both related to shutdown and reboot, so they shouldn't be defaults.
TE
Telma
10 months ago
I'm not entirely sure, but I remember something about run level 1 being for single-user mode, which might not be ideal as a default either.
AR
Arlette
10 months ago
Ugh, I'm drawing a blank on the run levels right now. I'll have to guess and hope for the best.
LO
Louvenia
10 months ago
I'm feeling pretty confident about this one. I remember learning that certain run levels should never be used as defaults, so I think I can narrow it down.
BE
Bernardo
10 months ago
Okay, I've got a strategy for this. I'll start by eliminating the run levels that are clearly not appropriate as defaults, then focus on the remaining options.
CA
Carey
10 months ago
I think run level 0 is definitely one that shouldn't be set as default since it usually means shutdown, right?
CA
Carla
11 months ago
Totally agree, 0 is shutdown and 6 is reboot!
VI
Virgie
11 months ago
A) 0 and E) 6 are the ones to avoid.
VE
Veronique
11 months ago
True, but not for default. A and E are clear choices.
RO
Roselle
11 months ago
I'm a bit confused by the wording of this question. I'll need to review my notes on SysV init to make sure I understand the run levels properly.
RI
Rickie
12 months ago
Hmm, this is a tricky one. I'll need to think carefully about the different run levels and their purposes.
LI
Lisandra
6 months ago
So, A and B are the answers? Sounds good!
JU
Judy
6 months ago
Right! Not ideal for default either.
TY
Ty
6 months ago
What about run level 1? That's single-user mode.
TI
Timothy
6 months ago
Agreed! It's for shutdown.
BI
Billi
11 months ago
I think run level 0 should definitely not be default.