Refer to the exhibit.

A network administrator is checking the Quality of Service (QoS) settings on an HP ProVision Switch.
This frame arrives on the switch:
Ingress port: A1
No 802.1Q tag
Source IP address = 10.1.2.10
Destination IP address = 10.1.4.4
DSCP = 48
Destination TCP port = 5060
To which priority queue will the switch assign this frame? (Queues are numbered 0-7)

A.
0

B.
1

C.
4

D.
6

Explanation:
The Destination TCP port number (5060) matches and dscp is set to 32.
Qscp is mapped to priority 4.
Note: If more than one global classification criteria, they are searched in the following order:
TCP / UDP port number
IP-address of the sender and receiver
IP precedence value
DSCP value
Minutes of the third level
VLAN number
Incoming port switch
Markings on the data link layer 802.1p
When a packet is matched by several criteria, the marking is applied only for the first matched by the order