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COVID-19: As a designated essential telecom solutions provider, EXFO remains fully operational with our employees' health and safety as our top priority.

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Glossary

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.

Transmission Control Protocol/Internet Protocol (TCP/IP)

A method of packet-switched data transmission used on the Internet. The protocol specifies the manner in which a signal is divided into parts, as well as the manner in which address information is added to each packet to ensure that it reaches its destination and can be reassembled into the original message. Basically, TCP/IP is the "language" of the Internet.

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