The ingress port on a switch receives a packet marked with DSCP 45. You want it to have DSCP
47 when it leaves the switch on the egress of the uplink.
Which method would accomplish this?

A.
Use DSCP trust on the egress port.

B.
Use DSCP marking on the egress port.

C.
Use DSCP matching on the egress port.

D.
Change system defaults and reboot.