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Questions and Answers
Wireless and mobile phone subscribers outnumber fixed phone subscribers 10 to 1 in 2019.
True
There were more fixed-broadband-connected devices than mobile-broadband-connected devices in 2019.
False
4G/5G cellular networks do not embrace the Internet protocol stack, including SDN.
False
Wireless communication only faces the challenge of handling the mobile user who changes the point of attachment to the network.
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All wireless hosts in a wireless network are mobile.
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Ethernet switches are not transparent, and hosts are aware of their presence
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Switches use CSMA/CD to access segments for forwarding frames
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Switches create a single collision domain for all connected hosts
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Switches use a forwarding table to determine which interface to use for outgoing frames
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Switches are self-learning and do not need to be configured
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