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: