题目内容

IoT will consist of a very large number of ( ) being connected to the Internet..

A. Devices
B. Software
C. Information
D. Social factors

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In case the address space of IPv4 is using up, objects in the IoT will ( ).

A. Use virtual address.
B. Share IPv4 address with existed devices.
C. Use IPv6 address.
D. Objects in IoT will not occupy any internet address.

These descriptions of technologies are relative with short range wireless, which one is correct? ( )

A. Near-field communication enabling two electronic devices to communicate within a 4-meter range.
B. QR codes and barcodes is machine-readable optical tags that store information about the item to which they are embedded.
C. Wi-Fi Direct is the same with Wi-Fi standard but more easy to connect.
D. Radio-frequency identification use electromagnetic to read data stored in tags embedded in other items

Which description of LTE-Advance is incorrect? ( )

A. LTE-Advance is high-speed communication specification for mobile networks.
B. LTE-Advance provides enhancements to the LTE standard with extended coverage.
C. LTE-Advance provides enhancements to the LTE standard with higher throughput.
D. LTE-Advance provides enhancements to the LTE standard with higher latency.

The application of IoT may involve with some wired technologies except ( ).

A. BUS
B. Ethernet
C. MoCA
D. PLC

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