IoT - การบรรยาย 5

The type of network topology that can be used in the short, medium, and long range is

• Star topology

• Mesh topology

• Peer-to-Peer

• Line

The longer the wavelength, the lower the frequency band.

• True

• False

We must select an IoT access technology that has the longest range and the highest throughput.

• True

• False

When the mesh topology is used, many IoT devices are colocated in the same area and they talk a lot to their neighbors.

• True

• False

A constrained-node network is also known as A Low Power and Lossy Network

• False

• True

4G

• Long Range

• Medium Range

• Short Range

Bluetooth

• Long Range

• Medium Range

• Short Range

ZigBee

• Long Range

• Medium Range

• Short Range

Wireless short-range supporting ___ of meters of maximum distance between two devices.

• tens

• thoudsands

• 2 km

• 3 km

Radio spectrum is regulated the

• International Telecommunication Union (I TU)

• Federal Communications Commission (FCC)

• ITU and FCC

• None is correct