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. Show only animated 0-9 A B C D E F G H I J K L M N O P Q R S T U V W X Y Z N_Port N-Way Narrowband NAS NASS National Institute of Standards and Technology (NIST) NATO NB NCITS NCS NDF NE Near-End Crosstalk (NEXT) NEF NEM Network Element (NE) Network Functions Virtualization (NFV) Network Interface Card (NIC) Network Interface Device (NID) Network monitoring Network Operations Center (NOC) Network Service Provider (NSP) Network Simulator Network slicing Network Switching Subsystem (NSS) Network Termination Equipment (NTE) NEXT NF NIC NID NIST NIU NL_Port NNI NOC Node Noise Noise Figure (NF) Non-Coherent Network Non-Return-to-Zero (NRZ) NOS NR-ARFCN NR-U NRZ NSP NSS NTE Numerical Aperture Numerology NUT