What are the components of Dell's product portfolios?

Dell's product portfolio is extensive and designed to meet a variety of customer needs in both the consumer and enterprise markets. Among the options presented, the inclusion of tablets and laptops, along with desktops and all-in-ones, encompasses a broad range of devices that highlight Dell's capabilities across different segments.

Tablets and laptops represent portable computing solutions, which are essential in today's mobile-first environment. They cater to individuals seeking convenience and flexibility, whether for personal use or professional tasks. On the other hand, desktops and all-in-ones are critically important in settings that require more robust power and performance, often found in home offices, businesses, and educational institutions.

By selecting the combination of both tablets/laptops and desktops/all-in-ones, the answer reflects Dell's comprehensive approach to providing a diverse range of computing solutions that address the varied demands of different markets, making it the correct choice. This answer captures the essence of Dell's commitment to innovation across both portable and stationary devices.