job screening question

George Herbert george.herbert at gmail.com
Thu Jul 5 19:47:16 CDT 2012


On Jul 5, 2012, at 5:32 PM, William Herrin <bill at herrin.us> wrote:
> 
>> 5.      What is the reason for the 100m distance limit within an ethernet collision domain?
> 
> What's an ethernet collision domain? Seriously, when was the last time
> you dealt with a half duplex ethernet?
> 

Last time I built a cluster; admin and some redundant ingress/egress methods do better with hubs than switches.  Also last time I had to build a cheap redundant firewall.

This is a corner case, but if you just know ether as a point to point it will eventually bite you.

Having some spanning tree clue is much more relevant now, though.


George William Herbert
Sent from my iPhone


More information about the NANOG mailing list