[154591] in North American Network Operators' Group

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Re: job screening question

daemon@ATHENA.MIT.EDU (David Casey)
Fri Jul 6 01:23:48 2012

In-Reply-To: <CAP-guGUZZryJoxTA6koAdQH7AGzFK4ncv2pKu5WV0hxCnFAaHQ@mail.gmail.com>
From: David Casey <sgtcasey@gmail.com>
Date: Thu, 5 Jul 2012 23:25:11 -0600
To: William Herrin <bill@herrin.us>
Cc: "nanog@nanog.org" <nanog@nanog.org>
Errors-To: nanog-bounces+nanog.discuss=bloom-picayune.mit.edu@nanog.org

On Jul 5, 2012, at 18:32, William Herrin <bill@herrin.us> wrote:

> On Thu, Jul 5, 2012 at 8:22 PM, Owen DeLong <owen@delong.com> wrote:
>> I would use questions such as the following:
>>=20
>> 1.      How many end-sites can be numbered from a single /32.
>>                (Correct answers: IPv4 - 1, IPv6 - 65,536)
>=20
> IPv6 - 16,777,216 to 268,435,456 :p
>=20
>=20
>> 5.      What is the reason for the 100m distance limit within an ethernet=
 collision domain?
>=20
> What's an ethernet collision domain? Seriously, when was the last time
> you dealt with a half duplex ethernet?

Today. Legacy devices still require half-duplex sometimes.

Dave=


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