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An address that identifies the network and host address assigned to a device.
What is Internet Protocol Address (IP Address)?
A group of computers and associated devices that share a common communications line or wireless link, typically to a server.
What is Local Area Network (LAN)?
A collection of many networks owned by many entities that share information and communicate together.
What is the Internet?
A set of standards for communication between network hosts.
What is a Protocol?
The central connecting point of a physical star. It uses a logical bus topology.
What is a Hub?
The portion of the IP address that identifies the network the device is assigned to.
What is Subnet Address?
A network that connects several LANs. Often limited to a corporation or an organization but are sometimes accessible to the public.
What is a Wide Area Network (WAN)?
An unwanted transfer of signals between communication channels.
What is Crosstalk?
Permit circuits to be arranged and rearranged by plugging and unplugging respective patch cords on a mounted hardware assembly.
What is a Patch Panel?
A multi-port bridge that performs filtering based on MAC addresses and provides additional features not found in a bridge.
What is a Switch?
A conceptual model and set of communications protocols used on the internet and similar computer networks. The foundational protocols in this suite are Transmission Control Protocol (TCP) and Internet Protocol (IP).
What is Internet Protocol suite?
A device that connects one group of wires to another through a system of metal pegs.
What is a Punchdown block?
Two twisted wires that carry the data signals (one conductor carries a positive signal; one carries a negative signal). Twisting the cables reduces the effects of electromagnetic interference (EMI) and crosstalk.
What is Unshielded Twisted Pair (UTP)?
External signals that interfere with normal network communications. When working with the radio frequency spectrum, this is known as Radio Frequency Interference (RFI).
What is Electromagnetic Interference (EMI)?
A device that connects two or more network segments or subnets.
What is a Router?
One of the main internet protocols. It allows computing devices and application devices to exchange messages over a network.
What is Transmission Control Protocol (TCP)?
Used to determine the MAC address of the host using the destination IP address.
What is Address Resolution Protocol (ARP)?
A part of a building that provides a pathway for the airflow needed by heating and air conditioning systems, such as above a dropped ceiling or below a raised floor.
What is Plenum Space?
The loss of signal strength from one end of a cable to the other. This is also known as dB loss.
What is Attenuation?
A hub for a wireless network. As with a hub, any message sent to any wireless host connected to the AP can be received by all other wireless hosts.
What is a Wireless Access Point (AP)?
A reference model for how applications communicate over a network without regard to its underlying internal structure and technology.
What is the Open Systems Interconnection (OSI) Model?
A frame or rack that is used to interconnect and manage telecommunication wiring in a building. It functions like an old-time telephone switchboard, where operators used connecting wires to route telephone calls. Can also refer to the room that houses the traditional kind along with networking patch panels.
What is the Main Distribution Frame (MDF)?
A hardware device that provides a way to connect a computer to the network medium. It is responsible for converting binary data into a format that can be sent on the network medium. Also called a network adapter.
What is a Network Interface Card (NIC)?
A unique identifier burned into the ROM of every Ethernet NIC. The first half of it (the first six digits) is assigned to each manufacturer. The manufacturer determines the rest of the address, assigning a unique value that identifies the host address.
What is a Media Access Control (MAC) Address?
A network security system that monitors and controls incoming and outgoing network traffic based on predetermined security rules.
What is a Firewall?