How will the switch forward the frame?

A customer is installing a new ArubaOS-CX switch The customer does not change the factory default QoS configuration The switch receives an 802.1Q tagged VOIP frame on a port The header contains a DSCP value of EF(46) and the frame has an 802 ip value of 5

How will the switch forward the frame?
A . Forwards it based on the DSCP value in the frame
B. The switch trusts the settings and It forwards the frame with the current settings
C. Forwards it based on the 802 ip value in the frame
D. Forwards the frame with best effort forwarding

Answer: A