Communications and Networks
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
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show | data, information
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_____ is a transmission media on which data, instructions, or information travel. | show 🗑
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A __________ is a LAN that uses no physical wires. | show 🗑
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A network that covers a large geographic area, such as a city, country, or the world, using a variety of wired and wireless transmission media? | show 🗑
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PANs use _____________ , Wi-Fi or a special usb connecter to connect devices. | show 🗑
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The design of computers, device and media in a network is referred to as ____________ and could be peer-to-peer or client/server | show 🗑
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show | host
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___________ servers perform a specific task and can be placed with other servers to perform multiple tasks. What are these kind of servers call? | show 🗑
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Ring ___________ can span a larger distance than a bus network, but it is more difficult to install. | show 🗑
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show | standards
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____________ is a network standard that specifies no central computer or device on the network should control when data can be transmitted? | show 🗑
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______________________ invented the Ethernet | show 🗑
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show | Mbps
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show | 802.11
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With additional equipment, the range of ______ devices can be extended up to 325 feet | show 🗑
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____________ software can detect problems—such as why traffic is flowing slowly—on networks that use the TCP/IP protocol | show 🗑
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Sven Mattisson and Jaap Haartsen invented ___________ technologies. | show 🗑
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show | NFC
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__________ internet connection share the nodes with hundreds of other users, has widespread availability | show 🗑
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____________is a popular alternative to cable internet connection. | show 🗑
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show | FTTP
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show | communications
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__________ modems send and receive digital data over and information to and from a digital line? | show 🗑
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________________ is a central communications device that allows computers and devices to transfer data wirelessly among themselves or to transfer data wirelessly to a wired network? | show 🗑
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show | router
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A router can roughly support up to ___________ or more computers in a network. | show 🗑
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show | NIC, network interface card
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a ___________ network connects multiple computers and devices together at your house. | show 🗑
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For best performance of a communications channel, ________ should be high and ___________ should be low | show 🗑
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_____________ refers to the amount of data, instructions, and information that can travel over a communications channel | show 🗑
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show | latency
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___________ refers to is an electrical disturbance that can degrade communications | show 🗑
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This kinds of cable consists of a single copper wire surrounded by at least three layers: an insulating material, a woven or braided metal, and a plastic outer coating? | show 🗑
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_____________ is a wireless transmission medium that distributes radio signals through the air over long distances, is slower and more susceptible to noise. | show 🗑
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show | Mbps
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show | microwave
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___________ wireless transmission involves sending signals from one microwave station to another. | show 🗑
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show | sending
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show | receiving
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__________ are used to define how data transmits across transmission media. | show 🗑
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__________ involves transferring funds electronically. | show 🗑
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show | VAN
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show | personal area network (PAN)
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__________ is a set of wearable or implanted body sensors that turns the body into a human router | show 🗑
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another term for servers that control access to the hardware, software, and other network resources | show 🗑
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show | dedicated servers
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In a peer-to-peer network, each computer has ___________ responsibilities and capabilities, are simple, inexpensive networks, that allow each computer to store files on its own device and to share them. Requires special operating system | show 🗑
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show | filesharing
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show | star/host
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The term used to describe a device connected to a network that has an IP address? | show 🗑
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show | ethernet
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show | blueTooth
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show | UWB
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show | IrDA
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show | RFID
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Wi-Fi connections uses ___________ as the network standard | show 🗑
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show | 300
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33 feet is the approximate distance most _______ devices can be from each other to communicate, without using additional equipment? | show 🗑
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show | RFID
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__________ contains dozens or hundreds of thin strands of glass or plastic that use light to transmit signals | show 🗑
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_____ has the fastest maximum transfer transmission rate? | show 🗑
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show | generation
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You want to use the UMB cellular transmission standard on your new mobile phone. Which standard will you use | show 🗑
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In a networked environment, it is not possible to access data and information stored on another's computer in the network | show 🗑
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An __________ essentially is a small version of the Internet that exists within an organization | show 🗑
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show | MAN
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When you log off from a P2P network, it is still possible for other's to access the shared hard drive | show 🗑
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Star topologies are frequently used for WANs | show 🗑
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show | bus
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In a ________ network, if the hub fails, the entire network is rendered inoperable until the hub is repaired | show 🗑
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many network ______ are used to help move data around the internet. | show 🗑
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With ______ each packet contains data as well as the recipient (destination), origin (sender), and the sequence information used to reassemble the data at the destination. | show 🗑
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_________ offer mobile users the ability to connect to the Internet with their Wi-Fi enabled wireless computers and devices. | show 🗑
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Communications software usually is ________ with the operating system or communications devices. | show 🗑
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With _____, the same telephone line that could carry only one computer signal now can carry three or more signals at once through the same line, using a technique called multiplexing | show 🗑
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ADSL is ideal for Internet access because most users _______ more information than they ______ from the Internet. | show 🗑
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With ____ service, an optical terminal at your location receives the signals and transfers them to a router connected to a computer. | show 🗑
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show | antennas
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show | twisted-pair cable.
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show | fiber
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Fiber-optic cables have the capability of carrying significantly more signals than ________ . | show 🗑
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___________ is a wireless transmission medium that sends signals using infrared light waves | show 🗑
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show | client/server
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show | electronic funds transfer
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show | sending device
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show | host
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defines how a network uses close-range radio signals to communicate between two devices or objects equipped with this technology? | show 🗑
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show | router
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show | Peer-to-peer,p2p
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show | broadband
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galvanl
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