I always lag out on the boss fights

What type of network throughput would you expect to see on a DOCSIS network?

A) 4 Mbit/sec through 100 Mbit/sec

B) Up to 2 Mbit/sec

C) 56 kbit/sec with up to 320 kbit/s with compression

D) Up to 1 Gbit/sec

E) How fast does my Internet need to be for WoW to work properly?