Policing and dropping packets

Hello,
I am reviewing few QoS questions I got to study. The question is:

"Using CBWFQ Policing with command:
police 100000 5000 8000 conform-action transmit exceed-action
set-qos-transmit 4 violate-action drop.
When will the router begin to drop packets?"

a. when burst rate exceeds 100000 bits
b. when burst rate exceeds 64000 bits
"

I thought A, but the answer sheet says B. So my questions which is right?
Why would you set something to police at 100 kbps when you'll start getting
packets dropped at 64 Kbps...doesn't make sense.

Can someone else please verify and explain?

Thank you,

Tom

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Received on Wed Jul 20 2011 - 16:59:53 ART