Re: job screening question

[Matthew Kaufman <matthew () matthew at>]

On Jul 7, 2012, at 6:03 PM, Randy <randy_94108 () yahoo com> wrote:

> <snip>.... 
> > "When a number received in an IP packet is presented in
> > network byte
> > order,  and the host architecture is big endian, what
> > must be done to
> > convert the number into host byte order?"
> > (one word answer)
>
> My response would be to have a field-day with HR talking about MSB and LSB.
> Certainly wouldn't be a one-word answer. So HR disqualifies me?
> > "What's the problem with using 255.255.255.247 as a subnet
> > mask if you
> > want to make a LAN subnet with 12 hosts?"
> >   (5 word answer)
>
> My response would be: Discontiguous subnet masks were allowed in the pre-CIDR era. If you so desire, give me about 2 
> hours since I do not have a scientific calculator handy; and I will get back to you with the complete-list.
>
> Definitely not 5 words as required from the HR stand point. So I get disqualified again!
>
> ./Randy

Oh, come on, 247 decimal is 0xf7... A single zero bit in the mask isn't enough for 12 hosts no matter where it is.

If you need a scientific calculator and 2 hours for that, HR is right.



Matthew Kaufman

Sent from my iPad