If you want to make it big in the computer networking field, then you have to be thorough with your basics. Now-a-days, computer networking has become an integral part for the development of various companies. There are a wide range of job opportunities for various designations such as system administrator, technicians, chief technical officer, etc. If you want to be thorough with your computer skills, then you can do basic computer hardware and networking course from computer institutes like NIIT, Jetking, etc. After you have become well-versed with the computer networking knowledge then you can go for a certified course of networking called CCNA by Cisco.