What language should I learn?

I'm getting into networking (currently studying for the CCNA) and I'm wondering what language(s) would be good to learn.

Let me clarify. I don't plan on getting into programming full-time or even on the side; I'm more interested in learning something to make my job applications look more impressive. While the network administration job market isn't as over-saturated as that of /prog/ramming, it's still not ideal. I want to have an edge over the competition.

With all of this in mind, please suggest something that employers looking for a network administrator would like too see (and perhaps have a use for), not something you personally think is the best due to its good syntax or garbage collection or whatever other qualities you look at when determining whether a language is ``good'' or not.

Basically, a ``sellable'' language rather than a useful one.

>>16
>> Which is more sellable, F# or Scala?
Scala, hands down.
What makes you think so?
CIL-based .Net is better than archaic JVM in so many ways, plus F# is supported my MSVS, which is also somewhat better than Eclipse, the only sane choice for Scala.
For personal projects you can choose whatever you like, but in enterprise, the choice is made based on a completely different set of criteria.