A manufacturer is designing a new high-speed wireless router that uses a newly developed physical-layer transmission technology.
Explain, with reference to the concept of protocol layering, why the manufacturer does not need to rewrite the software for web browsers (such as HTTP/HTTPS clients) to run on devices using this new router.
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.