Re: job screening question

[Derek Andrew <Derek.Andrew () usask ca>]

Isn't MTU discovery on IP and not TCP?



On Thu, Jul 5, 2012 at 11:11 AM, Oliver Garraux <oliver () g garraux net>wrote:

> Seems fairly straightforward to me.  It'll break path MTU discovery.
>
> I would hope someone applying for an "IP expert" position would know that.
>
> Could HR be mangling the question or something?
>
> Oliver
>
> -------------------------------------
>
> Oliver Garraux
> Check out my blog:  www.GetSimpliciti.com/blog
> Follow me on Twitter:  twitter.com/olivergarraux
>
>
> On Thu, Jul 5, 2012 at 1:02 PM, William Herrin <bill () herrin us> wrote:
> > Hi folks,
> >
> > I gave my HR folks a screening question to ask candidates for an IP
> > expert position. I've gotten some "unexpected" answers, so I want to
> > do a sanity check and make sure I'm not asking something unreasonable.
> > And by "unexpected" I don't mean naively incorrect answers, I mean
> > oh-my-God-how-did-you-get-that-cisco-certification answers.
> >
> > The question was:
> >
> > You implement a firewall on which you block all ICMP packets. *What*
> > *part of the TCP protocol (not IP in general, TCP specifically)*
> > *malfunctions as a result?*
> >
> >
> > My questions for you are:
> >
> > 1. As an expert who follows NANOG, do you know the answer? Or is this
> > question too hard?
> >
> > 2. Is the question too vague? Is there a clearer way to word it?
> >
> > 3. Is there a better screening question I could pass to HR to ask and
> > check the candidate's response against the supplied answer?
> >
> > Thanks,
> > Bill Herrin
> >
> >
> > --
> > William D. Herrin ................ herrin () dirtside com  bill () herrin us
> > 3005 Crane Dr. ...................... Web: <http://bill.herrin.us/>
> > Falls Church, VA 22042-3004


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Copyright 2012 Derek Andrew (excluding quotations)

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