Held by over 1​ million IT professionals worldwide, this is the most essential IT certification for establishing an IT career. If you’re new to the IT industry, this will help you put your best foot forward. And if you’re already an IT professional, the IT exams certification validates your skills and can boost your career. - PC hardware and peripherals, mobile device hardware, networking and troubleshooting hardware and network connectivity issues. - 220-902 covers installing and configuring operating systems including Windows, iOS, Android, Apple OS X and Linux. It also addresses security, the fundamentals of cloud computing and operational procedures. Features: - The app will save your practice/exam automatically, so you can continue your unfinished exam anytime - You can create unlimited practice/exam sessions as you want - You can modify the font size to fit your device's screen and get best experience - Easily go back to the questions which you want to review again with "Mark" and "Review" features - Evaluate your answer and get the score/result in seconds. Practice Mode: - You can practice and review all questions without time limits - You can show the answers and explanations anytime.