job screening question

Sun Jul 8 01:34:59 UTC 2012

On Sat, 7 Jul 2012 valdis.kletnieks at vt.edu wrote:

> On Sat, 07 Jul 2012 18:03:43 -0700, Randy said:
>>> "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)
>
> I'm not sure if that's a typo or excessive evil on the part of the questioner. ;)
>
>> My response would be: Discontiguous subnet masks were allowed in the pre-CIDR era.
>
> Yes, but even if it was *legal*, the "subnet doesn't contain 12 addresses" answer applies. ;)

It's just a mask...you can do all sorts of crazy things with netmasks. 
The results of using "unusual" ones is not typically predictable or 
desireable to those who might accidentally use them.

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  Jon Lewis, MCP :)           |  I route
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