Which IEEE standard is closely related to low-rate wireless personal area networks used by ZigBee and 6LoWPAN?
Correct Answer: D. IEEE 802.15.4
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6LoWPAN is mainly designed to carry IPv6 packets over:
Correct Answer: C. Low-power wireless personal area networks
Which technology is often used for low-power mesh networking in IoT?
Correct Answer: B. ZigBee
What does BLE stand for?
Correct Answer: A. Bluetooth Low Energy
Which wireless technology is commonly used for short-range personal area communication?
Correct Answer: D. Bluetooth
Which topology has one central point communicating with multiple nodes?
Correct Answer: C. Star topology
Which topology allows nodes to relay data through other nodes?
Correct Answer: B. Mesh topology
The main reason energy efficiency is important in WSNs is that many nodes:
Correct Answer: A. Operate on limited battery power
In a WSN, a sensor node generally performs sensing, processing, and:
Correct Answer: D. Wireless communication
What is a Wireless Sensor Network?
Correct Answer: C. A network of sensor nodes that monitor and communicate environmental data
Which is a key design concern for battery-powered IoT nodes?
Correct Answer: B. Low power consumption
Which best explains automation in IoT?
Correct Answer: A. Devices perform actions based on sensed data or rules