CompTIA A+ certification is the most essential IT certification for establishing an IT career. CompTIA A+ certification validates understanding of the most common hardware and software technologies in business and certifies the skills necessary to support complex IT infrastructures. CompTIA A+ is a powerful credential that helps IT professionals worldwide ignite their IT career. CompTIA A+ certification is the fourth module of the DCH course. This module enables the students to learn the steps for building a computer system. It also explains the installation and configuration of the different operation systems. Finally, this module also provides information on the installation and configuration of the utility software required by the user.
more details : comptia a+ or network+
more details : comptia a+ or network+