> For example he is asking about what
> "scanning tree parameters" are being set,

"spanning tree". No special options are set. As long as he has his core
switches set to always win bridge root elections, he'll never know
you're there. 8-)

>  encapsulation protocol, dot.q,

802.1q is the standard encapsulation. Cisco (and others) enhance it, but
the basic is .1q (thus the name dot1q)

> neg/nonneg

No negotiation performed. 

> and VTP ? 

No VTP. It's effectively what Cisco calls a "transparent" switch. Have
him look it up. 

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