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MCSA/MCSE Self-Paced Training Kit (Exam 70-270): Installing ...

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Glossary G-27<br />

netstat A diagnostic command that displays protocol statistics and current Transmission<br />

Control Protocol/Internet Protocol (TCP/IP) network connections. This command<br />

is available only if the TCP/IP protocol has been installed. See also nbtstat.<br />

network In the context of computers, a system in which a number of independent<br />

computers are linked together to share data and peripherals, such as hard disks<br />

and printers.<br />

network adapter card See network interface card (NIC).<br />

Network Device Interface Specification (NDIS) A standard that defines an interface<br />

for communication between the media access control (MAC) sublayer and<br />

protocol drivers. NDIS allows for a flexible environment of data exchange. It<br />

defines the software interface, called the NDIS interface, which is used by protocol<br />

drivers to communicate with the network interface card. The advantage of NDIS is<br />

that it offers protocol multiplexing so that multiple protocol stacks can be used at<br />

the same time. See also Open Data-link Interface (ODI).<br />

Network Bridge A feature that allows Windows XP Professional to connect network<br />

segments (groups of networked computers) without having to use a router or<br />

bridge.<br />

network ID The portion of the IP address that identifies a particular host on a network<br />

segment.<br />

network interface card (NIC) An expansion card installed in each computer and<br />

server on the network. The NIC acts as the physical interface or connection<br />

between the computer and the network cable.<br />

network interface printer A printer that is connected directly to the network via an<br />

internal network adapter.<br />

network layer The third layer in the OSI reference model. This layer is responsible<br />

for addressing messages and translating logical addresses and names into physical<br />

addresses. This layer also determines the route from the source to the destination<br />

computer. It determines which path the data should take based on network conditions,<br />

priority of service, and other factors. It also manages traffic problems such<br />

as switching, routing, and controlling the congestion of data packets on the network.<br />

See also Open Systems Interconnection (OSI) reference model.<br />

network monitors Monitors that track all or a selected part of network traffic. They<br />

examine frame-level packets and gather information about packet types, errors,<br />

and packet traffic to and from each computer.<br />

New Connection Wizard A wizard in Windows XP Professional that can perform<br />

much of the work of configuring a network connection for different situations.<br />

NIC See network interface card (NIC).

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