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