[154688] in North American Network Operators' Group
Re: job screening question
daemon@ATHENA.MIT.EDU (Matthew Kaufman)
Sun Jul 8 13:59:12 2012
In-Reply-To: <1341709423.14571.YahooMailClassic@web184702.mail.ne1.yahoo.com>
From: Matthew Kaufman <matthew@matthew.at>
Date: Sun, 8 Jul 2012 10:58:34 -0700
To: Randy <randy_94108@yahoo.com>
Cc: "nanog@nanog.org" <nanog@nanog.org>
Errors-To: nanog-bounces+nanog.discuss=bloom-picayune.mit.edu@nanog.org
On Jul 7, 2012, at 6:03 PM, Randy <randy_94108@yahoo.com> wrote:
>=20
> <snip>....=20
>> "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)
>=20
> 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?
>>=20
>> "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)
>=20
> My response would be: Discontiguous subnet masks were allowed in the pre-C=
IDR era. If you so desire, give me about 2 hours since I do not have a scien=
tific calculator handy; and I will get back to you with the complete-list.
>=20
> Definitely not 5 words as required from the HR stand point. So I get disqu=
alified again!
>=20
> ./Randy
>=20
Oh, come on, 247 decimal is 0xf7... A single zero bit in the mask isn't enou=
gh 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=