Network Systems Flashcards

Network Systems Flashcards
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Firewall
A network security strategy that protects from unauthorized access to networks. It's a setup of software and hardware configured between computer networks and the Internet.
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Network client
These are hardware devices that allow end users to access data and services on the server. Examples are desktops, firewalls, and routers.
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Client/server network
In this network architecture, resources or services for a group of workstations are provided by at least one network server. Computers in this network rely on the server for data.
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Peer-to-Peer Network
Type of network that distributes tasks among all the computers on a network. It's a simple type of network architecture since all computers are considered equal and there is no central server.
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Bandwidth
Bandwidth is the data transfer rate of a network per second. Increasing this will transfer data more quickly resulting in faster access speeds.
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Bluetooth
Bluetooth is a wireless communication device that is a standard protocol for short-range radio communications.
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Network Topology
Network topology refers to how the connections in a computer network are laid out. The types of network topologies include point-to-point, bus, star, ring, mesh, tree and hybrid.
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Hotspot
A hotspot is a wireless access point through which devices can connect to the Internet. Hotspots often use Wi-Fi.
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GPS
A global positioning system, which is an electronic device that receives signals from several satellites and this information is used to determine your location.
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Wired connection
A connection channel that requires a physical cable. Wired connections include fiber optic wires and copper wires.
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LAN
A LAN, or Local Area Network, is a computer network housed at a single physical location, like one office building or home.
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Computer network
Computers that are connected, allowing communication. Networks facilitate file-sharing, improve cost efficiency, increase storage capacity, and share an Internet connection and peripheral devices.
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24 cards in set

Flashcard Content Overview

We'll examine the basic components of a telecommunication system and the different types of network architecture, P2P and client/server. We'll also examine the necessary network hardware, the different types of computer networks, the different types of devices, and the various types of wireless technology. Finally, we'll examine the different types of network topology.

Front
Back
Computer network
Computers that are connected, allowing communication. Networks facilitate file-sharing, improve cost efficiency, increase storage capacity, and share an Internet connection and peripheral devices.
LAN
A LAN, or Local Area Network, is a computer network housed at a single physical location, like one office building or home.
Wired connection
A connection channel that requires a physical cable. Wired connections include fiber optic wires and copper wires.
GPS
A global positioning system, which is an electronic device that receives signals from several satellites and this information is used to determine your location.
Hotspot
A hotspot is a wireless access point through which devices can connect to the Internet. Hotspots often use Wi-Fi.
Network Topology
Network topology refers to how the connections in a computer network are laid out. The types of network topologies include point-to-point, bus, star, ring, mesh, tree and hybrid.
Bluetooth
Bluetooth is a wireless communication device that is a standard protocol for short-range radio communications.
Bandwidth
Bandwidth is the data transfer rate of a network per second. Increasing this will transfer data more quickly resulting in faster access speeds.
Peer-to-Peer Network
Type of network that distributes tasks among all the computers on a network. It's a simple type of network architecture since all computers are considered equal and there is no central server.
Client/server network
In this network architecture, resources or services for a group of workstations are provided by at least one network server. Computers in this network rely on the server for data.
Network client
These are hardware devices that allow end users to access data and services on the server. Examples are desktops, firewalls, and routers.
Firewall
A network security strategy that protects from unauthorized access to networks. It's a setup of software and hardware configured between computer networks and the Internet.
Metropolitan area network, or MAN
A computer network that can span an entire city or region (like a college campus). It can create large networks by connecting a number of LANs.
Personal area network, or PAN
A computer network organized around an individual person within an individual building like an office or house.
Wide area network, or WAN
A computer network that is covered over a very large area like a country or the whole word. An example is the Internet.
Repeater
An electronic device that receives an electronic signal, and then retransmits it at a higher power. This allows for signals to travel over large distances.
Hub
A hub is used to connect multiple devices directly to the network using cables. The hub's connection is called a 'port.'
Switches
Switches are similar to hubs, but offer greater performance.
Bridges
A network device that distributes the network into different segments to manage the amount of traffic.
Routers
Routers are used to connect two different networks.
Gateways
A gateway is a network interface where networks may have different protocols.
Zigbee
A wireless communication that uses very little power for short-range, digital radio communications.
Wireless connection
A connection channel that does not require an actual cable to transfer data. Instead, wireless connections transmit signals using things like radio waves.
Mesh
Mesh networks feature point-to-point connections for each node. This enables high levels of traffic and security. Because of the setup of mesh networks, they are very expensive to maintain.

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