You can download the verified rooting file for N7100 4.4.2 below.
After download, extract the .zip if needed, open Odin, load the .tar.md5 into the AP/PDA slot, and flash. samsung n7100 root file 4.4.2 download
CF-Auto-Root (Odin flashable) Compatible build: Any official Samsung 4.4.2 ROM for N7100 You can download the verified rooting file for N7100 4