Chapter 1 - Vocab Flashcards
(42 cards)
Wired Networks
Wired networks consist of PCs and servers, which are physically connected by cables.
Wireless Networks
Wireless networks use radio transmissions instead of cables to communicate.
Authentication Mechanisms
Authentication mechanisms are ways that networks can validate who is and who isn’t allowed access to a network.
Network Administrator
A network administrator is an IT expert who specializes in the upkeep and support of networks.
Node
A node is a uniquely identifiable device.
Network System
The path over which servers and clients communicate.
Fiber-Optic
Fiber-Optic cables consist of thin transparent plastic or glass fibers that transmit information using light (laser) signals.
Network Adapter
A network adapter is the hardware that enables a computer to connect to a network.
Network Interface Cards (NIC)
Network Interface card is another name for a Network Adapter. (A network adapter is the hardware that enables a computer to connect to a network.)
Protocols
Protocols define the way in which devices communicate on a network, things like signal strength and format.
Hub
A connection device that allows multiple connections to the network. Mostly used in older networks. Switches are more common in current networks.
Switch - A connection device similar to a Hub but more sophisticated, including functionality that allows it to control and manage data transmissions.
Switch
A connection device similar to a Hub but more sophisticated, including functionality that allows it to control and manage data transmissions.
Hub - A connection device that allows multiple connections to the network.
Router
A router is a device that connects two or more networks. It allows computers on one network to communicate with computers on another network, while still providing a level of isolation between them.
Gateway
A connection device that is used to connect networks and devices that would not otherwise be able to communicate with each other. Ex. A gateway could used to connect PCs to a mainframe computer.
Bridge
A device used to connect 2 or more physical networks. They do not provide the same isolation as routers, but can be used in some situations where routers cannot be used.
A router is a device that connects two or more networks.
Brouter
A connection device that transmits both routable information, such as protocols, and non-routable information, such as data. Combines the functionality of a bridge and a router in the same device.
Client/Server Network
A network model that connects multiple PCs called clients, to a single computer, called a server, which distributes data and resources to the network.
Directory Services Network
In a Directory Services network, everything on the network, including users, computers, and shared resources, are maintained in a centralized directory.
Peer-to-peer Network
A peer-to-peer network is a small network in which individual PCs are connected directly to one another without the use of separate servers.
Workgroups
Workgroups is the term that Microsoft uses to refer to peer-to-peer networked computers.
Peer Server
Peer Server refers to the PCs in a peer-to-peer network that act as both client and server.
Client operating system
A client operating system is the control program installed on the client PC.
Server operating system
The control program installed on the server, also known as a network operating system.
Low Level Protocol
A system of rules for how network connection is achieved. They control the physical process of data communication. Examples would be Token Ring, ARCNET, and Ethernet.
