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OK, so help me out here...
I just took the LPIC-101 exam. For reasons unknown, the test is scored
from 200 to 800. My score was a piffling 710.
If my arithmetic is right, (710-200)/(800-200) = 510/600 = 85%.
The test consists of 60 questions. 1/60 = 1.666% So that means that I
must have got between 9 and 10 questions completely wrong. (?)
And to think the guys in the office were taking bets on me getting a
100% score... Not even close!
(I'd love to know which questions I got wrong...)
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Am 12.03.2013 19:30, schrieb Orchid Win7 v1:
> OK, so help me out here...
>
> I just took the LPIC-101 exam. For reasons unknown, the test is scored
> from 200 to 800. My score was a piffling 710.
>
> If my arithmetic is right, (710-200)/(800-200) = 510/600 = 85%.
>
> The test consists of 60 questions. 1/60 = 1.666% So that means that I
> must have got between 9 and 10 questions completely wrong. (?)
... or 60 of them slightly wrong. Or a mix of both.
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On Tue, 12 Mar 2013 18:30:31 +0000, Orchid Win7 v1 wrote:
> OK, so help me out here...
>
> I just took the LPIC-101 exam. For reasons unknown, the test is scored
> from 200 to 800. My score was a piffling 710.
That's actually a fairly standard scoring range for IT certification
exams. I had the formula explained to me once, and it's not as simple as
it seems (I wish I still had the e-mail that explained it). The scoring
methodology also takes into consideration partial credit for multiple-
select multiple choice questions (ie, "pick two of the following five
items that correctly describe X").
This doesn't have the formula, but it does explain the methodology pretty
well:
http://certification.acsm.org/faq17-exam-scoring
> If my arithmetic is right, (710-200)/(800-200) = 510/600 = 85%.
>
> The test consists of 60 questions. 1/60 = 1.666% So that means that I
> must have got between 9 and 10 questions completely wrong. (?)
>
> And to think the guys in the office were taking bets on me getting a
> 100% score... Not even close!
Questions are sometimes weighted as well, so it's not a straight "x"
points for "y" questions.
> (I'd love to know which questions I got wrong...)
You know, of course, that there's no way they'll tell you that. Bad
enough that testing centres in the far east are complicit with screen
scraping the exams and producing "braindumps" that give you the answers -
and result in "paper certifications". No test sponsor is going to
release a list of what you got wrong because that just helps the braindump
companies (and dealing with them is like playing whack-a-mole already).
Jim
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>> I just took the LPIC-101 exam. For reasons unknown, the test is scored
>> from 200 to 800. My score was a piffling 710.
>
> That's actually a fairly standard scoring range for IT certification
> exams. I had the formula explained to me once, and it's not as simple as
> it seems (I wish I still had the e-mail that explained it). The scoring
> methodology also takes into consideration partial credit for multiple-
> select multiple choice questions (ie, "pick two of the following five
> items that correctly describe X").
Yeah, I'm curious to know what happens for the ones where you have to
enter text. How do they measure "how close" to being right you are?
>> The test consists of 60 questions. 1/60 = 1.666% So that means that I
>> must have got between 9 and 10 questions completely wrong. (?)
>
> Questions are sometimes weighted as well, so it's not a straight "x"
> points for "y" questions.
The LPI website seems to indicate that /subjects/ are weighted, with
more important subjects getting more questions. This seems to imply that
each individual question is worth the same amount.
>> (I'd love to know which questions I got wrong...)
>
> You know, of course, that there's no way they'll tell you that.
Yeah. Heaven forbid that I might actually *learn* from my mistakes...
As an aside, I had to remove my watch before I was allowed to take the
test. Because, you know, I might have programmed the answers into the
cogs and gears somehow...
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>> The test consists of 60 questions. 1/60 = 1.666% So that means that I
>> must have got between 9 and 10 questions completely wrong. (?)
>
> ... or 60 of them slightly wrong. Or a mix of both.
The questions range from laughably easy to painfully obscure. Although I
have to admit, if you do a Google search for "LPIC example questions",
most of what comes up is *drastically* harder than the actual exam.
I'm pretty certain I got several questions right. But unfortunately
there were quite a few questions where I have absolutely no clue what
the answer might be. (Which distributions use Yum? I've never even heard
of it!)
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On Tue, 12 Mar 2013 19:23:07 +0000, Orchid Win7 v1 wrote:
> Yeah, I'm curious to know what happens for the ones where you have to
> enter text. How do they measure "how close" to being right you are?
Well, those tend not to be essay questions, but rather "what command does
'x'" - and that's fairly straightforward unless you overthink it.
Typically, an exam like this is looking for the most commonly known way
to do 'x', not the most obscure way you can think of, or the "well, in
98% of cases, I can use this, but in that last 2%, it doesn't work".
That's one of the reasons that before I worked in training and exam
development, I never too certification exams. I know I tend to overthink
things. :)
>>> The test consists of 60 questions. 1/60 = 1.666% So that means that I
>>> must have got between 9 and 10 questions completely wrong. (?)
>>
>> Questions are sometimes weighted as well, so it's not a straight "x"
>> points for "y" questions.
>
> The LPI website seems to indicate that /subjects/ are weighted, with
> more important subjects getting more questions. This seems to imply that
> each individual question is worth the same amount.
Yeah, it's also common to weight by "knowledge area". :)
>>> (I'd love to know which questions I got wrong...)
>>
>> You know, of course, that there's no way they'll tell you that.
>
> Yeah. Heaven forbid that I might actually *learn* from my mistakes...
That's not the purpose of an exam, though. An exam's purpose is to
measure what you know, not to help you assess what you don't know.
That's what an "assessment" or "technical skills assessment" (or
"technical knowledge assessment") is for. :) An exam is a measurement
tool, nothing more.
> As an aside, I had to remove my watch before I was allowed to take the
> test. Because, you know, I might have programmed the answers into the
> cogs and gears somehow...
Actually, I'm not surprised by that. Not because they might think you're
using the exam to answer questions, but rather that you might use it to
*record* your exam session. There are *many* ways that people try to
cheat on exams like this, not the least of which is to try to copy the
questions and then use that as a study guide.
I had a situation where a candidate was alleged to have taken a USB flash
drive in to get screengrabs of the exam in question (software like VUE's
test driver doesn't allow that, but for this particular exam, we weren't
using that system and the workation wasn't locked down as tightly as a
result). The drive was confiscated and examined, and it allegedly had
screengrabs from not just the exam the candidate was sitting, but other
exams as well.
These days, you can buy watches/watch bands that have USB storage in
them, or miniature cameras. It's easier to require the candidate just
not take it into the testing room rather than to examine each candidate's
personal items prior to taking the exam.
Having proctored certification exams and had candidates do things like
appearing to feign not understanding a testing objective (scenario-based
exam in that case) in order to try to get me to give him the answer, not
much surprises me these days when it comes to requirements and
restrictions.
Jim
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Orchid Win7 v1 <voi### [at] dev null> wrote:
> >> The test consists of 60 questions. 1/60 = 1.666% So that means that I
> >> must have got between 9 and 10 questions completely wrong. (?)
> >
> > ... or 60 of them slightly wrong. Or a mix of both.
>
> The questions range from laughably easy to painfully obscure. Although I
> have to admit, if you do a Google search for "LPIC example questions",
> most of what comes up is *drastically* harder than the actual exam.
>
> I'm pretty certain I got several questions right. But unfortunately
> there were quite a few questions where I have absolutely no clue what
> the answer might be. (Which distributions use Yum? I've never even heard
> of it!)
yum is the command line package manager used by Fedora and Red Hat. Debian,
Ubuntu and Mint use apt-get. I think Gentoo uses something strange, but I'd
have to look it up to be sure.
Regards,
A.D.B.
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On Tue, 12 Mar 2013 18:38:43 -0400, Anthony D. Baye wrote:
> yum is the command line package manager used by Fedora and Red Hat.
> Debian,
> Ubuntu and Mint use apt-get. I think Gentoo uses something strange, but
> I'd have to look it up to be sure.
emerge.
And openSUSE uses apper and/or zypper and/or YaST.
Which can use Yum, raw RPM directories, and a number of other sources.
Jim
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>> I'm pretty certain I got several questions right. But unfortunately
>> there were quite a few questions where I have absolutely no clue what
>> the answer might be. (Which distributions use Yum? I've never even heard
>> of it!)
>
> yum is the command line package manager used by Fedora and Red Hat. Debian,
> Ubuntu and Mint use apt-get. I think Gentoo uses something strange, but I'd
> have to look it up to be sure.
I've never used Fedora or Red Hat. (No, wait, that's a lie. I have a
disk somewhere for Red Hat 2.1, circa 1996 or so. I don't think Yum
existed yet.)
Debian uses .deb packages, which can be installed using dpkg, dselect,
apt-get or aptitude. The exam requires you to know ALL FOUR. (!) Even
though in reality you'll only use one of these tools. (Usually aptitude,
because dselect is utterly incomprehensible!)
Most distros derived from Debian use the same packaging system. Most
other distros use RPM. But Gentoo uses the Emerge system, because it
builds absolutely everything from source. It's a great way to expend
compute cycles and disk space...
I never use RPM itself. I always use Zypper, but that's specific to
OpenSUSE and isn't on the exam. Whereas Zypper can uninstall a package
using the "remove" command, the exam requires you to know that this is
the "-e" switch to RPM. Not u for uninstall or r for remove, but e - for
no defined reason whatsoever.
But hey, that's Unix all over. Don't expect there to be any reason or
rhyme to it, just memorise this crap.
PS. It especially amuses me how many commands let you specify the number
of bytes of operate on with a -c switch. Because, as you know, 1
character = 1 byte. Oh, wait...
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> I just took the LPIC-101 exam. For reasons unknown, the test is scored
> from 200 to 800. My score was a piffling 710.
>
> If my arithmetic is right, (710-200)/(800-200) = 510/600 = 85%.
>
> The test consists of 60 questions. 1/60 = 1.666% So that means that I
> must have got between 9 and 10 questions completely wrong. (?)
Were they all proper questions with only one correct answer, or did it
include stupid wordy answers that you can only get all the marks if you
write exactly all the keywords and phrases they have on the answer sheet
(of course you get no marks for valid answers not on their sheet)?
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