Modem
Device that modulates an analog "carrier" signal (such as sound) to encode digital information, and that also demodulates such a carrier signal to decode the transmitted information. Used (for example) when a computer communicates with another computer ov
Repeater
An electronic device that receives a signal and retransmits it at a higher level or higher power, or onto the other side of an obstruction, so that the signal can cover longer distances.
Bridge
A device that connects multiple network segments. It works on OSI layers 1 and 2.
Router
A networking device that forwards data packets between computer networks. Performs the "traffic directing" functions on the Internet. A data packet is typically forwarded from one of these to another through the networks that constitute the internetwork u
Gateway
An interface providing a compatibility between networks by converting transmission speeds, protocols, codes, or security measures.
Switch
A device that connects devices together on a computer network to receive, process and forward data to the destination device.
Hub
For connecting multiple Ethernet devices together and making them act as a single network segment. It has multiple input/output (I/O) ports, in which a signal introduced at the input of any port appears at the output of every port except the original inco
Network Interface Card (NIC)
A device connecting a computer to a wire-based computer network.
Multilayer Switch
A device that, in addition to performing tasks on OSI layer 2, provides functionality at higher protocol layers.
Proxy Server
Computer network service which allows clients to make indirect network connections to other network services.
Firewall
A piece of hardware or software put on the network to prevent some communications forbidden by the network policy. Typically establishes a barrier between a trusted, secure internal network and another outside network, such as the Internet, that is assume
Wireless Network Interface Controller
A device connecting the attached computer to a radio-based computer network.
File Server
A computer attached to a network that provides a location for shared disk access, i.e. shared storage of computer files (such as text, image, sound, video) that can be accessed by the workstations that are able to reach the computer that shares the access
Data Center
A facility used to house computer systems and associated components, such as telecommunications and storage systems. It generally includes redundant or backup power supplies, redundant data communications connections, environmental controls (e.g. air cond
Cat5 Cable
Can handle up to 10/100 Mbps at a 100MHz bandwidth.
Cat6 Cable
Can handle up to 10 Gbps of data, but bandwidth is limited to 164 feet � anything beyond that will rapidly decay to only 1 Gbps
Cat6A Cable
Can maintain 10 Gigabit speeds for the full 328 feet max of Ethernet cable.
Cat5E Cable
Can handle up to 1 Gbps speed at 100 meters. Frequency of 350Mhz.
Modem
Device that modulates an analog "carrier" signal (such as sound) to encode digital information, and that also demodulates such a carrier signal to decode the transmitted information. Used (for example) when a computer communicates with another computer ov
Repeater
An electronic device that receives a signal and retransmits it at a higher level or higher power, or onto the other side of an obstruction, so that the signal can cover longer distances.
Bridge
A device that connects multiple network segments. It works on OSI layers 1 and 2.
Router
A networking device that forwards data packets between computer networks. Performs the "traffic directing" functions on the Internet. A data packet is typically forwarded from one of these to another through the networks that constitute the internetwork u
Gateway
An interface providing a compatibility between networks by converting transmission speeds, protocols, codes, or security measures.
Switch
A device that connects devices together on a computer network to receive, process and forward data to the destination device.
Hub
For connecting multiple Ethernet devices together and making them act as a single network segment. It has multiple input/output (I/O) ports, in which a signal introduced at the input of any port appears at the output of every port except the original inco
Network Interface Card (NIC)
A device connecting a computer to a wire-based computer network.
Multilayer Switch
A device that, in addition to performing tasks on OSI layer 2, provides functionality at higher protocol layers.
Proxy Server
Computer network service which allows clients to make indirect network connections to other network services.
Firewall
A piece of hardware or software put on the network to prevent some communications forbidden by the network policy. Typically establishes a barrier between a trusted, secure internal network and another outside network, such as the Internet, that is assume
Wireless Network Interface Controller
A device connecting the attached computer to a radio-based computer network.
File Server
A computer attached to a network that provides a location for shared disk access, i.e. shared storage of computer files (such as text, image, sound, video) that can be accessed by the workstations that are able to reach the computer that shares the access
Data Center
A facility used to house computer systems and associated components, such as telecommunications and storage systems. It generally includes redundant or backup power supplies, redundant data communications connections, environmental controls (e.g. air cond
Cat5 Cable
Can handle up to 10/100 Mbps at a 100MHz bandwidth.
Cat6 Cable
Can handle up to 10 Gbps of data, but bandwidth is limited to 164 feet � anything beyond that will rapidly decay to only 1 Gbps
Cat6A Cable
Can maintain 10 Gigabit speeds for the full 328 feet max of Ethernet cable.
Cat5E Cable
Can handle up to 1 Gbps speed at 100 meters. Frequency of 350Mhz.