What do you need to know about NAS? Network attached storage is file-based, rather than block-based, and can be used alone or in conjunction with a SAN to address growing data storage needs. NAS is especially well-suited for storing various types of unstructured, file-based data -- something many storage pros are looking to do. In this FAQ Presentation Transcript, Enterprise Strategy Group analyst Tony Asaro answers FAQs about NAS and sheds light on some of the most common challenges in today's changing data storage market.