Through CompTIA A+ network certification provides the knowledge to resolve or rectify networking and operating systems issues. Certified professionals will be able to configure, install and upgrade the most widespread operating systems, such as Windows, Apple OS X, Linux, iOS, Android and Windows Mobile. It will offer them the technical competency to set up and troubleshoot any peripheral devices. They can assemble and dissemble computing hardware and provide all the necessary support for basic home and small office networks. The certification teaches them how to implement cyber security controls appropriate to help desk and technical support roles. They can troubleshoot and support end-user access to applications and data.