Holding the CompTIA A+ certification is an IT career builder. Why? Because it indicates to IT hiring managers worldwide that you have the knowledge needed to set up and operate the technologies commonly deployed in today's IT centers. Obtaining the A+ certification requires that you pass two exams: The CompTIA A+ 220-901 and the CompTIA A+ 220-902.
O'Reilly Media (formerly O'Reilly & Associates) is an American media company established by Tim O'Reilly that publishes books and Web sites and produces conferences on computer technology topics. Their distinctive brand features a woodcut of an animal on many of their book covers.