COVID-19: As a designated essential telecom solutions provider, EXFO remains fully operational with our employees' health and safety as our top priority.
Technology evolves at a rapid-fire pace. That’s why we’ve built an easy-to-use glossary to help you better understand the terms, technologies and trends that impact your business.
In the seven-layer OSI model, it is the physical layer. The physical layer consists of the basic networking transmission technologies of a network.