By default, what value is voice traffic marked as on a Cisco Catalyst Switch?
A. DSCP CAS6 value 21, Cos 3
B. DSCP AF21 value 46, Cos 5
C. DSCP EF value 46, Cos 7
D. DSCP EF value 46, Cos 5
What value is voice traffic marked as on a Cisco Catalyst Switch?