Can be useful if you want to know how to look this up during the exam.
Below is the site you will have access to during the exam:
http://www.cisco.com/cisco/web/psa/configure.html?mode=prod
If you know that you have to solve this question with Flexible Packet Matching, then you should look for FPM via "Products" - "Cisco IOS and NX-OS Software" -> select 12.4T . Select "Feature Guides" and look for "Flexible Packet Matching". There you can find the exact way to configure this "Configuring FPM for Slammer Packets: Example".