7K Queuing

Please help me understand Egress queuing in the 7K.  Here's what I assume:

.  If a port is a Layer 2 trunk port, 7K will look up the Cos field to put it in the right queue, dscp is preserved.

.  If a port is a Layer 3 port, 7K will re-write dscp to Cos per the dscp-cos table-map and it will be queue based on the Cos value.

Am I right or wrong?

Also, when I try to view the dscp-cos or cos-dsco table-map in Admin VDC, it says "default copy".  Why can't I see the same tables as in 4506 switches for example?  How do I know which values are converted to which?  

Thanks.