SimulationExams.com releases ICND2 200-101 practice exam with 300+ most relevant questions. Note that the older ICND2 640-816 exam is retiring by 30th Sept. 2013. The new ICND will have a few new topics on Spanning Tree Protocol, Router Redundancy, etc. Note that Wireless LANs has been removed from ICND1 and ICND2. Cisco has a separate exam for specializing in wireless technologies, which is CCNA Wireless.
The topics for ICND2 v2 include LAN Switching Technologies, IP Routing Technologies, IP Services, and Troubleshooting. Check out the complete 200-101 Objectives here.