CertiGuide to Network+  9  Glossary

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Network News Transfer Protocol (NNTP)

A member of the TCP/IP suite of protocols, used to distribute network news messages to NNTP servers and clients, or newsreaders, on the Internet. NNTP is designed so that news articles are stored on a server in a central database, and the user selects specific items to read.

Users who manage network and information security. Network security administrators should implement a security plan that addresses network security threats.

A set of protocols used in Unix for communications between clients and servers. Version 4 is under development.

Network Interface Card.

Near Letter Quality. Print output almost as good as LQ. This output typically is produced by dot matrix printers.

“specifies a protocol for the distribution, inquiry, retrieval, and posting of news articles using a reliable stream-based transmission of news”. RFC 977

In tree structures, a location on the tree that can have links to one or more items below it. In local area networks (LANs), a device that is connected to the network and is capable of communicating with other network devices. In a server cluster, a server that has Cluster service software installed and is a member of the cluster.

The intended value for a specific metric. Deviations both positive and negative are measured from this baseline.

An object that cannot logically contain other objects. A file is a noncontainer object.

A basic security function of cryptography. Nonrepudiation provides assurance that a party in a communication cannot falsely deny that a part of the communication occurred. Without nonrepudiation, someone can communicate and then later deny the communication or claim that the communication occurred at a different time.

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