Refer to the Exhibit. 
You are setting up a new CoS policy for your VPN customer. You configured the queues as shown
in the exhibit, but you see drops in the EF queue. Interface utilization is around 1 Mbps.
What would you do to resolve the problem?
A.
Remove the strict-high parameter from the EF queue and add strict-high on the assuredforwarding (AF) queue.
B.
Lower the buffer size on the assured-forwarding (AF) queue.
C.
Raise the transmit rate on the EF queue.
D.
Lower the transmit rate on the AF queue.
Explanation: