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A computer that is not connected to other computers and that uses software applications and data stored on its local disks.
Data sharing method where it is required to physically transport the storage device from one computer to another.
Networks enable multiple users to share devices (for example, printers) and data (such as spreadsheet files), which are collectively known as the network's resources.
In a peer-to-peer network, every computer can communicate directly with every other computer.
The newer types of peer-to-peer networks (commonly abbreviated as P2P networks) link computers from around the world to share files between each others' hard disks.
Another way of designing a network is to use a central computer, known as a server, to facilitate communication and resource sharing between other computers on the network, which are known as clients.
A network that uses a server to enable clients to share data, data storage space, and devices is known as a client/server network.
Client/Server Architecture is sometimes used to refer to the design of a network in which clients rely on servers for resource sharing and processing.
NOS (network operating system)
To function as a server, a computer must be running an NOS. An NOS is a special type of software designed to manage data and other resources for a number of clients, ensure that only authorized users access the network, control which type of files a user can open and read, restrict when and from where users can access the network, dictate which rules computer will use to communicate, and supply applications to clients.
Allows client/server networks to be more easily added onto and extended--than peer-to-peer networks.
LAN (local area network)
LAN is a network of computers and other devices that is confined to a relatively small space, such as one building or even one office.
MAN (metropolitan area network)
A network that is larger than a LAN and connects clients and servers from multiple buildings--for example, a handful of government offices surrounding a state capitol.
The term client may also refer to the human user of a client workstation or to client software installed on the workstation.
A personal computer (such as a desktop or laptop), which may or may not be connected to a network most clients are workstation computers.
NIC (network interface card)
The device (pronounced nick), also known as network adapters, are located inside a computer that connects a computer to the network media, thus allowing it to communicate with other computers. Some connect or are integrated via a motherboard and others connect via an external port.
A client, server, or other device that can communicate over a network and that is identified by a unique number, known as its network address,
A specialized device that allows multiple network or multiple parts of one network to connect and exchange data.
The part of a network which segments and significant shared devices, such as routers, switches, and servers connect.
The physical layout of a computer network. Topologies vary according to the needs of the organization and available hardware and expertise.
The functions that are provided by a network, such as e-mail, printer sharing, file sharing, voice,Internet and Web site delivery, etc.
File services refer to the capability of a server to share data files, applications, and disk storage space.
Remote access server
Access services built-in to network operating systems that take advantage of the network just as if they were logged on to a workstation on the office LAN. A remote access server may also be known as simply an access server.
The term remote user refers to a person working on a computer on a different network or in a different geographical location from the LAN's server.
The phenomenon of offering multiple types of communications services on the same network.
Mail services coordinate the storage and transfer of e-mail between users on a network.
A computer installed with the appropriate software to supply Web pages to many different clients upon demand.
Internet services include file transfer capabilities, Internet addressing schemes, security filters, and a means for directly logging on to other computers on the Internet.
Network Management Services
Network management services centrally administer management tasks on the network, such as ensuring that no more than 20 workstations are using Adobe Photoshop at one time in an organization that purchased a 20-user license for the software.
Traffic monitoring and control
Determining how much traffic is taking place on a networking and notifying administrators when the network becomes overloaded.
Distributing data transfer activity evenly across a network so that no single device becomes overwhelmed.
Hardware diagnosis and failure alert
Determining when a network component fails and automatically notifying the network administrator through e-mail or paging.
Collecting and storing data on the number and types of software and hardware assets in an organization's network.
RFID (radio frequency identification) tags
RFID tags emit a wireless signal at all times across a network, which can communicate with other devices.
Determining how many copies of a single application are currently in use on the network and ensuring that number does not exceed the number of licenses purchased.
Evaluation what security measures are currently in force and notifying the network administrator if a security breach occurs.
Automatically transferring a file or installing an application from the server to a client on the network.
Backup and restoration of data
Copying (or backing up) critical data files to a secure storage area and then restoring (or retrieving) data if the original files are lost or deleted.
The professional certification established by CompTIA that verifies knowledge about PC operation, repair, and management.
CCIE (Cisco Certified Internetwork Expert)
An elite certification that recognizes expert-level installation, confguration, management, and troubleshooting skills on networks that use a range of Cisco Systems' devices.
CCNA (Cisco Certified Network Associate)
A professional certification that attests to one's skills in installing, configuring, maintaining, and troubleshooting medium-sized networks that use Cisco System's switches and routers.
The process of mastering material pertaining to a particular hardware system, operating system, programming language, or other software program, then proving your mastery by passing a series of exams.
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