Explanation:

In a computer network, **Printers** are very commonly shared resources. Instead of each user having a dedicated printer, a single network printer can serve multiple users, optimizing cost and resource utilization. Users send print jobs from their individual computers to the shared printer. * **Option A (Keyboards):** Keyboards are personal input devices typically dedicated to a single computer and user. * **Option B (Speakers):** Speakers are personal output devices for audio, usually dedicated to a single computer. * **Option C (Floppy disk drives):** Floppy disk drives are outdated storage devices and were typically dedicated to individual computers, not shared across a network. * **Option D (Printers):** This is the correct answer. Printers are frequently shared in network environments for efficiency.