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 <b...@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 ................ her...@dirtside.com b...@herrin.us > 3005 Crane Dr. ...................... Web: <http://bill.herrin.us/> > Falls Church, VA 22042-3004 >