A Cisco ASA appliance running software version 8.4.1 has an active botnet traffic filter license with 1 month left on the time-based license. Which option describes
the result if a new botnet traffic filter with a 1 year time-based license is activated also?

A.
The time-based license for the botnet traffic filter is valid only for another month.

B.
The time-based license for the botnet traffic filter is valid for another 12 months.

C.
The time-based license for the botnet traffic filter is valid for another 13 months.

D.
The new 1 year time-based license for the botnet traffic filter cannot be activated until the current botnet traffic filter license expires in a month.

Explanation:
http://www.cisco.com/en/US/prod/collateral/vpndevc/ps6032/ps6094/ps6120/product_bulletin_c 25-593781.html
Time-based license stacking: Customers can extend time-based licenses such as Botnet Traffic Filter and SSL VPN Burst by applying multiple licenses.