A manufacturer of smart-home devices is developing a new smart security camera. They decide to design the camera's communication system using a layered protocol stack (such as the TCP/IP model) rather than a single, monolithic protocol.
Explain one advantage of this layered approach for the manufacturer when they decide to upgrade the camera's physical wireless hardware in a future model.
54 exam-style questions on OCR GCSE Computer Science Wired and wireless networks, protocols and layers. Each one has a worked solution and a mark scheme showing where the marks go.