Cisco CCNA Most Commonly Used Abbreviations
Here are some of the most commonly used abbreviations you should know in CCNA and in common. Just bookmark this page in case you need it again:
*(CSMA/CD) carrier sense multiple access collision detect
*(OUI) organizational unique identifier
*(GBIC) gigabit interface converter
*(DTE) data terminal equipment
*(DCE) data communications equipment
*(NIC) network interface card
*(NOS) network operating system
*(VoIP) voice over IP
*(QoS) quality [...]