ENARSI Learning Roadmap

Hello! I have one test to go and I failed last year my ENARSI. Now I am worried and doubtful about my knowledge. I have Boson NetSim and read a book and watched a lot of videos. Still I feel I have inadequate knowledge, that is why I signed up here in Network Lessons. I really want to get my CCNP this year and I signed up for the exam February next month. Any help is appreciated.