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CompTIA Network+ >> Network Basics
Network Basics
19
Computer Networking
01/18/2011

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Term
peer-to-peer network
Definition
A network model that consists of several computers connected through some medium with each client being administered individually. Typically used as a generic solution for small, simple networks requiring light resource-sharing with minimal, decentralized administration.

Term
client/server network
Definition
A network model consisting of both clients and servers whereby the servers mainly hold data and provide resources to the clients. The management and administration of network services is centralized unto the servers.
Term
authentication
Definition
The process by which a user provides credentials that prove his/her identity.
Term
network operating system
Definition
Software that is installed on a server and can be used to manage and administer network resources. (Examples: Windows Server 2008, UNIX, or NetWare)
Term
domain model
Definition
A network model that consists of a client/server network where the network operating system accounts for all users and resources on the network and manages the sharing and interaction between such objects by way of configured policies. This combination of hardware, software, users, resources, and policies creates for a manageable network environment.
Term
network client (or networking client)
Definition
Software that exists on a host and allows it to communicate with a network operating system.
Term
segment
Definition
A portion of a larger network consisting of the network infrastructure connecting to or existing between network transmission devices (routers, swiches, hubs, etc.)
Term
backbone
Definition
A high-speed link that connects segments of a larger network.
Term
host
Definition
A computer.
Term
node
Definition
Any device on a network that bears an address and can be accessed for communication.
Term
resource
Definition
Any data, device, or service that exists on a host and can be shared to other hosts on a network.
Term
network architecture
Definition
A term which specifies a network's fundamental characteristics, including it's general layout, main components, method of data transmission, and applicable standards.
Term
network topology
Definition
The physical design and layout of a network
Term
star topology
Definition
A network design where each node is connected to a central networking device.
Term
bus topology
Definition
A network design where each node is directly connected to the following node, creating a non-contiguous chain of networked devices.
Term
medium
Definition
A physical channel through which data can be transmitted.
Term
protocol
Definition
A standarized set of rules and message formats that control how data is transmitted and received between devices
Term
NIC (network interface controller), aka. network adapter
Definition
A hardware component that allows computers and network devices to communicate on a network
Term
Definition
A piece of data