Things to study that might surprise you on the exam.
IPV6 - Recognize ip addressing, understand 3 IPV6 to IPV4 tunneling modes.
Cabling - Straight Thru, Crossover, Rollover
Nat - Be able to configure a router to take a /26 of private space and overload a /29 of public space.
STP and VTP - Know the uses and how a root bridge gets elected (STP), know Server, Client and Transparent modes (VTP)
802.1q - Know how to establish a trunk between two switches.
Frame-Relay - Know the show commands to get the DLCI from IARP
Configuration - Routers- simple things like hostname are still on the test, new things like service password encryption and how to setup trunking via sub interfaces is there as well.
Subnetting - you need to be able to subnet in your head (not just simple /24+ cidr but more complex /20s and /23s)
Knowing this cold will get you a passing score of 825 or higher.