IS 3003 Larry Ball Ch 7
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Telephone networks are fundamentally different from computer networks.
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True
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Increasingly, voice, video, and data communications are all based on Internet technology.
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True
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To create a computer network, you must have at least two computers.
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True
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An NOS must reside on a dedicated server computer in order to manage a network.
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False
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A hub is a networking device that connects network components and is used to filter and forward data to specified destinations on the network.
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False
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In a client/server network, a network server provides every connected client with an address so it can be found by others on the network.
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True
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Central large mainframe computing has largely replaced client/server computing.
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False
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Circuit switching makes more more efficient use of the communications capacity of a network than does packet switching.
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False
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Mobile search makes up approximately 10% of all Internet searches.
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False
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Two computers using TCP/IP can communicate even if they are based on different hardware and software platforms.
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True
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In blogging, a trackback is a list of entries in other blogs that refer to a post in the first blog.
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True
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Coaxial cable is similar to that used for cable television and consists of thickly insulated copper wire.
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True
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Fiber-optic cable is more expensive and harder to install than wire media.
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True
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The number of cycles per second that can be sent through any telecommunications medium is measured in kilobytes.
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False
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The Domain Name System (DNS) converts domain names to IP addresses.
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True
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VoIP technology delivers voice information in digital form using packet switching.
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True
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Web 3.0 is a collaborative effort to add a layer of meaning to the existing Web in order to reduce the amount of human involvement in searching for and processing Web information.
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True
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In a large company today, you will often find an infrastructure that includes hundreds of small LANs linked to each other as well as to corporate-wide networks.
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True
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TCP/IP was developed in the 1960s to enable university scientists to transmit data from computer to computer.
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False
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RFID technology is being gradually replaced by less costly technologies such as WSNs.
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False
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A router is a device that forwards packets of data through different networks, ensuring that the data gets to the right address.
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True
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An analog signal is a discrete, binary waveform that transmits data coded into two discrete states such as 1-bites and 0-bites.
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False
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Today, most Americans connect to the Internet through broadband connections at speeds up to 15 Mbps.
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True
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An ISP is a commercial organization that owns a region of transcontinental high-speed backbone networks carrying the bulk of Internet traffic.
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False
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The trunk lines of the Internet are typically owned by network service providers.
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True
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A Web server is a dedicated computer that delivers Web pages to client computers.
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False
