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Computer networks only use wired connections for interconnections.
False
Hostnames are frequently changed after initial assignment in computer networks.
False
Computer networks do not support access to the World Wide Web.
False
Networking hardware is not considered a node in a computer network.
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Computer networks may be classified by the transmission medium used to carry signals.
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Protocol Data Unit (PDU) in the context of packet switching data networks is best understood in relation to a service data unit (SDU)
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Transmission Control Protocol (TCP) uses datagrams as the protocol data units for connectionless communication
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The PDU at the Internet layer in the Internet protocol suite is called a segment
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The physical layer sends ones and zeros across a wire or fiber in a computer network
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The transport layer delivers the data to the right software application at the destination in a computer network
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