NFC
Near-Field Communication. NFC is a short-range wireless connectivity standard (ECMA-340, ISO/IEC 18092)
that uses magnetic field induction to enable communication between devices when they touch or are brought
closer (within a few centimeters of distance). The standard specifies a way for the devices to establish a peer-
to-peer (P2P) network to exchange data.
NIC
Network Interface Card. NIC is a hardware component that allows a device to connect to the network.
Nmap
Network Mapper. Nmap is an open-source utility for network discovery and security auditing. Nmap uses IP
packets to determine such things as the hosts available on a network and their services, operating systems
and versions, types of packet filters/firewalls, and so on.
NMI
Non-Maskable Interrupt. NMI is a hardware interrupt that standard interrupt-masking techniques in the
system cannot ignore. It typically occurs to signal attention for non-recoverable hardware errors.
NMS
Network Management System. NMS is a set of hardware and/or software tools that allow an IT professional to
supervise the individual components of a network within a larger network management framework.
NOE
New Office Environment. NOE is a proprietary VoIP protocol designed by Alcatel-Lucent Enterprise.
NTP
Network Time Protocol. NTP is a protocol for synchronizing the clocks of computers over a network.
OAuth
Open Standard for Authorization. OAuth is a token-based authorization standard that allows websites or third-
party applications to access user information, without exposing the user credentials.
OCSP
Online Certificate Status Protocol. OCSP is used for determining the current status of a digital certificate
without requiring a CRL.
OFDM
Orthogonal Frequency Division Multiplexing. OFDM is a scheme for encoding digital data on multiple carrier
frequencies.
OID
Object Identifier. An OID is an identifier used to name an object. The OIDs represent nodes or managed
objects in a MIB hierarchy. The OIDs are designated by text strings and integer sequences and are formally
defined as per the ASN.1 standard.
AOS-W 6.5.3.x | User Guide Glossary of Terms | 1142
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