Which of the following notebook portfolios does Dell offer?

The notebook portfolio that Dell offers includes Inspiron, Latitude, Vostro, XPS, and Precision, making this answer the most accurate.

The Inspiron line is known for its versatility and affordability, catering primarily to everyday consumers and families. The Latitude series is designed for business professionals, emphasizing durability, security, and manageability. Vostro laptops also target small business users, providing a balance of performance and cost-effectiveness. The XPS line is geared towards premium users who seek high-end design and powerful performance, often used by creative professionals. Lastly, the Precision series is tailored for workstations, catering to users who require robust computing power for tasks like graphic design, 3D modeling, and data analysis.

This diverse range demonstrates Dell's commitment to meeting various user needs—from casual use to professional-grade performance—making this portfolio comprehensive and well-suited for a wide array of consumers.