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| Network media, the conduit through which signals flow, can be either bounded or unbounded. _____ media use a physical conductor. |
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| ______ media do not need a physical connection between devices, and can transmit electromagnetic signals through air using radio waves, microwaves, or infrared radiation. |
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| A _____ cable is a type of cable in which two conductors or pairs of copper wires are twisted around each other and clad in a color-coded, protective insulating plastic sheath or jacket to form a pair. |
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| _____ is an eight-pin connector used by twisted pair cables in networking. All four pairs of wires in the twisted pair cable use this connector. |
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| The _____ connector is used with Category 1 cables in telephone system connections and is not suitable for network connectivity. |
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| A _______, is a type of copper cable that features a central conducting copper core surrounded by an insulator and braided or foil shielding. |
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| _____ is the name given to Ethernet networking over RG58/U or RG58A/U cabling. It is wired in a bus configuration in which segments can be up to 185 meters long. |
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| ______ is the name given to Ethernet networking over RG8 cabling. Networking devices are not directly connected. Instead, transceivers are connected to the cable with vampire taps. |
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Definition
| ____ is defined as electromagnetic interference that disrupts the signal. The signal to noise ratio decreases as the transmitting distance increases. |
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| _____ is defined as the progressive degradation of a signal as it travels across a network medium. |
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| _____ is defined as the opposition to the flow of electricity in an AC circuit. |
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| A ______ enables networks running on different media to interconnect and exchange signals. |
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| _______ contains the telecommunication service entrance to the building, campus wide backbone connections, and the interconnection to the local exchange carrier's telecommunication facilities. |
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| ______ provides connections between equipment rooms and telecommunication closets. |
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Definition
| _____ provides the main cross-connection point for an entire facility. |
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| Telecommunications closet |
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Definition
| _____ houses the connection equipment for cross-connection to an equipment room along with workstations in the surrounding area. |
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Definition
| ____ runs from each workstation outlet to the telecommunication closet. |
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| ____ consists of wallboxes and faceplates, connectors, and wiring used to connect work area equipment to the telecommunications closet. |
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| _____ is defined as a hierarchical cable system architecture in which a Main Cross-Connect(MCC) is connected via a star topology across backbone cabling to Intermediate Cross-Connects (ICC) and Horizontal Cross-Connects (HCC). |
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| ____ is defined as the wire that runs to a PC, printer, or other device connected to a network. |
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Definition
| ____ is defined as a connection point for drop and patch cables. Typically it has one or more rows of RJ-45 or other connectors. |
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Definition
| ____ is defined as a cable that is plugged into the patch panel to connect two drop cables. |
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| ____ is defined as individual wires that connect two drop cables to a patch panel. |
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| ____ is defined as a cable rack that interconnects the telecommunications wiring between itself and any number of IDFs. |
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| ____ is defined as a cable rack that interconnects the telecommunications wiring between an MDF and any workstation devices. |
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| ____ is defined as a small room in which patch panels are installed. |
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Definition
| A ____ is a network cable that is jacketed tightly around conductors so that fire cannot travel within the cable. |
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Definition
| A ____ is a network cable that has a core surrounded by one or more glass or plastic strands. |
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Definition
| ____ carries an optical signal through a small core, which allows only a single beam of light to pass. It provides a bandwidth of up to 30 MHz. |
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Definition
| ____ multimode fiber contains a core surrounded by cladding, each with its own uniform index of refraction. When light from the core enters the cladding, a “step down” occurs due to the difference in the refractive indices. Uses total internalreflection to trap light. |
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Definition
| ____ multimode fiber possesses variations in the core glass to compensate for differences in the mode path length. Provides up to 2 GHz of bandwidth, |
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Definition
| ____ occurs when a light ray passing from one transparent medium to another, bends due to a change in velocity. |
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| A ____ cable is a type of bounded network media that transfers information between two devices using serial transmission. Information is sent one bit at a time in a specific sequence. It most often uses an RS-232 connector. |
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Definition
| ____ commonly known as FireWire, can be used to connect up to 63 devices to form a small local network. |
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| USB ___ is the current standard that can transmit data at rates of up to 5 Gbps. |
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| ____ communication is a type of communication in which signals are transmitted over a distance without the use of a physical medium. |
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| ____ communication is a direct connection between two nodes. |
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| ____ communication involves connections between many nodes. |
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Definition
| _____ is a form of wireless communications in which signals are sent via Radio Frequency (RF) waves in the 10 KHz to 1 GHz range. |
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Definition
| ____ is a form of RF networking that is non-directional, uses a single frequency for transmission, and comes in low- and high-power versions. |
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Definition
| The _____ is a form of radio transmission in which the signal is sent over more than one frequency. |
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Term
| Frequency Hopping Spread Spectrum (FHSS) |
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Definition
| ____ sends signals on one channel at a time. The channel changes at fixed predetermined intervals. The sender and receiver use the same selection and order of frequencies so that communication is possible even as the frequency changes. |
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Term
| Direct Sequence Spread Spectrum (DSSS) |
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Definition
| ____ uses multiple channels simultaneously to send data. |
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Term
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Definition
| ______ is a form of wireless transmission over unbounded media in which signals are sent as pulses of infrared light. |
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Definition
| A maximum of eight _____ devices usually less than 30 feet apart can be connected to each other. |
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Definition
| Bluetooth—version _____ allows for communicating devices to be as far as 30 meters or 100 feet apart and will increase the overall speeds to a data rate of 2.1 to 3 Mbps. |
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Term
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Definition
| _____ is a form of point-to-point wireless transmission over unbounded media in which signals are sent via pulses of electromagnetic energy in the microwave region of the electromagnetic spectrum. |
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Term
| Wireless Access Point (WAP) |
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Definition
| A ____ is a device that provides a connection between wireless devices and can connect to wired networks. |
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Term
| Service Set Identifier (SSID) |
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Definition
| The _____ is a 32-bit alphanumeric string that identifies a WAP and all devices attached to it. |
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Definition
| Another method of securing a wireless connection is by disabling the broadcast of the _____ of the wireless device. This causes the wireless device to not appear on the network. |
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Definition
| _____ refers to unwanted signals that are present in the network media. |
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Definition
| ____ can come from natural sources, such as solar radiation or electrical storms, or from man-made sources, such as electromagnetic interference from nearby motors or transformers. |
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Term
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Definition
| ____ is the connection of a shield or conductor to an electrical ground point, such as a pipe or wire that is in contact with the ground. |
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Term
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Definition
| _____ is the method of placing the grounded conductive material around the media. |
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Definition
| ____ is a noise reduction technique in which signals from two inputs are compared; signals that are identical on both inputs are ignored, while those that are different on the inputs are accepted. |
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Term
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Definition
| ____ is the application of a resistor or other device to the end of a cable. It ensures that the ends of the cable do not represent an abrupt change in impedance, causing signal reflections and noise. |
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Term
| Network Interface Card (NIC) |
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Definition
| A _____, is a device that serves as an interface between a computer and the network. |
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Term
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Definition
| A ____ is a device that has both a transmitter and a receiver integrated into it and, as a result, can both send and receive data. Most are built into the network card. |
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Term
| Gigabit Interface Converter (GBIC) |
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Definition
| A ____ is a transceiver used to convert electrical signals into optical signals and vice versa. |
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Definition
| A ____ is a network device that acts as a common connecting point for various nodes or segments. |
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Term
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Definition
| A ____, also called an intelligent switch, is one that includes functions that enable you to monitor and configure its operation. |
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Term
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Definition
| ____ is the practice of duplicating all traffic on one port in a switch to a second port, effectively sending a copy of all the data to the node connected to the second port. |
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Definition
| ______ is the process of increasing throughput as it uses channels to bind multiple NICs to a MAC address. |
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Definition
| _____ involves combining multiple network connections to increase bandwidth and reliability. |
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Term
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Definition
| A ____ is a software-based switch that provides functionality similar to physical switches. It is used to connect systems on a virtual network. |
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Definition
| A _____ is a networking device that connects multiple networks that use the same protocol. |
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Definition
| A _____ is a cable used to connect a computer to a router. It connects to the router's console port on one end, and to a computer's serial port on the other. |
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Definition
| A ____ is a device, software, or a system that converts data between incompatible systems. |
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Definition
| A ____ is remote software that can run its own operating systems or applications, similar to a physical server. |
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Definition
| A ____ is a device that regenerates a signal to improve signal strength over transmission distances. |
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Definition
| A ____ is a networking device used to connect the nodes in a physical star topology network into a logical bus topology. |
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Definition
| A ____ is a network device that divides a logical bus network into segments. |
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