The Microsoft Certified Systems Administrator (MCSA) credential validates your ability to manage and troubleshoot network environments in the Windows operating system. It reflects a unique set of skills required to succeed in a variety of job roles, such as systems administrator, network administrator, information systems administrator, network operations analyst, network technician, and technical support specialist.

Lenovo strives to be a new world company that makes award-winning PCs for our customers. We operate as a company uninhibited by walls or organizational structures using world sourcing to harness the power of innovation across our global team. We design innovative and exciting products and services to meet our customers’ needs.

Intel (NASDAQ: INTC), the world leader in silicon innovation, develops technologies, products and initiatives to continually advance how people work and live. Our server components aim to deliver new levels of performance, and also bring dependability, compatibility, scalability, and advanced architecture to your multi-processing environment.

In today’s on-demand world, you want to access, share and secure your digital content using dynamic storage solutions that give you the freedom to do business, create and interact—anytime, anywhere. From protecting treasured family photos and personal music collections to developing next-generation consumer electronics devices and large enterprise networks, Seagate delivers advanced digital storage solutions to meet the needs of today’s consumers and tomorrow’s applications.

Comcast was founded in 1963 as a single-system cable operation. Today, we’re the country’s largest provider of cable services - and one of the world’s leading communications companies. We’re focused on broadband cable, commerce, and content. We deliver digital services, provide faster Internet and clearer broadband phone service, and develop and deliver innovative programming.

Zenith Infotech is an international company serving IT Service Providers worldwide. Our US-based headquarters is in Pittsburgh, Pennsylvania. Zenith provides three separate and distinct services-a Managed Service Infrastructure, a Virtual Help Desk and a Business Continuity Solution. Simply put Zenith's mission is to help IT Service Providers grow their business without increasing their overhead.

The Computing Technology Industry Association (CompTIA) is the voice of the world’s IT industry, representing members at the forefront of innovation and responsible for maximizing the benefits organizations receive from technology investments. CompTIA A+ Authorized Service Centers meet the organization’s high standards for system service and repair.