Happiness eluded me the first time when i appeared for the 300-920 certification exam. I had flunked the exam by a few numbers. When i went deep inside my own soul, i realized the mistakes that i had committed during the entire practice period. Firstly i did not choose the right practice material. Secondly, i did not practice hard enough and thirdly, i did not analyze my performances. I did all three right this time with Cisco DevNet Specialist practice tests. They are awesome enough to pass the exam i bet because i did and i scored well this time.