An open source application that monitors for computer network problems so that they can be fixed more quickly. Nagios was designed for use with the Linux operating system, but it will also work under Unix and most Unix-based systems.

A namespace uniquely identifies a set of names so that there is no ambiguity when objects having different origins but the same names are mixed together. Using the Extensible Markup Language (XML), an XML namespace is a collection of element type and attribute names. 

Nancy is a lightweight, low-ceremony, framework for building HTTP based services on .Net and Mono. The goal of the framework is to stay out of the way as much as possible and provide a super-duper-happy-path to all interactions.

A nanotechnology approach to storage that seeks to radically increase storage capacities through a variety of technologies, and, ultimately, to replace current storage media with extremely high-density media and devices.

The engineering of matter at the atomic and molecular scale.

A hard disk storage that is set up with its own network address rather than being attached to the department computer that is serving applications to a network's workstation users.

A proprietary specification intended to streamline automated trading in the financial industry. QIX is designed specifically for NASDAQ trading and supports multiple communications formats.

An application program that has been developed for use on a particular platform or device. A native application is installed on the device and responds more quickly than a Web application because the interface is more direct. 

A program that is specifically designed for a cloud computing environment as opposed to simply being migrated to the cloud. 

The ability of a computer program to understand human speech as it is spoken. NLP is a component of artificial intelligence (AI).  

A natural user interface (NUI) is a system for human-computer interaction that the user operates through intuitive actions related to natural, everyday human behavior. 

NAudio is an open source .NET audio and MIDI library, containing dozens of useful audio related classes intended to speed development of audio related utilities in .NET. Started in the year 2002 and the library has grown to include a wide variety of features. The library can be quickly used to add audio capabilities to an existing .NET application using NuGet.

Skill Level: Intermediate Status: ActiveFor individuals who troubleshoot network traffic and application performance within network segments throughout the enterprise.

Novell Certified Administrator Enterprise Services (NCA ES) by Novell

NetApp Certified Data Administrator (NCDA) by NetApp

Skill Level: Intermediate Status: DiscontinuedFor individuals who can apply an intermediate to advanced level of technical proficiency required to plan, clinic design and/or engineer a solution using multiple Nortel Networks products. It builds upon the specialist level competencies and focuses on advanced solution engineering and may involve multiple products and internetworking functionalities.The Nortel Enterprise Solutions certification program ended on November 30, 2010, due to acquisition of Nortel Enterprise Solutions by Avaya.