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Chapter 7- Computer Concepts

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A computer ________ is two or more computers connected using software and hardware so that they can communicate with each other.
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network
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Which transmission medium transmits data the fastest?
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Fiber-optic cable
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Normal telephone cable is a type of ________.
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twisted-pair cable
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A client/server network is an example of ________ administration
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central
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A peer-to-peer (P2P) network is an example of ________ administration.
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local
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The fastest version of wireless Ethernet is ________.
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802.11 ac
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Which of the following is NOT a type of cable used in wired networks?
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Unshielded coaxial
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Which of the following is NOT a type of UTP cable you would use in a wired Ethernet network?
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Cat 7B
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The most popular transmission media option for wired home Ethernet networks is ________ cable.
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unshielded twisted-pair UTP
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Wireless network devices use ________ to communicate with each other.
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radio waves
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For the nodes on a network to communicate with each other and access the network, each node needs a ________.
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network adapter
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A ________ is a device connected to a network such as a printer or a game console.
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node
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On a network, a(n) ________ helps prevent data packets from colliding with each other.
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switch
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Sophisticated networks generally use which of the following hardware devices to ease the flow of data through the network?
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Routers and switches
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To transfer data packets between two or more networks, a ________ is used.
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router
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Data are sent through a network in bundles called ________.
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packets
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All of the following operating systems support P2P networking EXCEPT ________.
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Unix
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Client/server networks are controlled by a central server that runs specialized software called a(n) ________.
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network operating system (NOS)
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Which of the following is NOT a wired broadband Internet connection option?
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Dial-up
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A(n) ________ device facilitates file sharing and data backup.
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NAS
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Using a network without the network owner’s permission is known as ________.
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piggybacking
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All of the following are extra precautions you can take to secure a wireless network EXCEPT ________.
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enable SSID broadcast
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________ is the actual speed of data transfer that is achieved and is always less than or equal to the data transfer rate.
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Throughput
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The unique number assigned to a network adapter by the manufacturer is referred to as the ________ address.
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MAC
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All of the following are tasks for network administration of a large organization EXCEPT ________.
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purchasing initial equipment for the network
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Which of the following is NOT used to classify network architectures?
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Speed of the network
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A printer connected to a wireless network is considered to be a node on that network.
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True
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Sharing files is a benefit of a network.
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True
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In a peer-to-peer network, one computer acts as the central computer.
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False
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P2P networks are most commonly used in home networks.
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True
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________ is the maximum speed at which data can be transferred between two nodes.
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Bandwidth
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The Internet is a WAN.
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True
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Current wired Ethernet networks in the United States are based on the IEEE 802.11ac standard.
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False
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Ethernet networks are always connected using twisted-pair cable technology.
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False
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Wireless network connections are slower than wired broadband connections.
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True
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The most popular transmission media option for wired Ethernet networks is UTP cable.
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True
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Most computers today come with Ethernet adapters already installed.
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True
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A router acts like a traffic signal on a network.
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False
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A P2P network needs network operating system software installed on every node.
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False
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Wireless networks are more vulnerable to attack than wired networks.
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True
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WEP is a stronger form of security than WPA.
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False
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A ________ is a network located in your residence that connects to all your digital devices.
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HAN
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Limiting your signal range does not help increase wireless network security.
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False
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A network that spans a large physical distance is called a ________.
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WAN
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A large network designed to provide access to a specific geographic area, such as a large city, is a ________.
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MAN