Sensor Network Architecture Quiz

What is a wireless sensor network?

• A network of spatially distributed sensors that communicate wirelessly

• A network of sensors that communicate through carrier pigeons

• A network of sensors that communicate through smoke signals

• A network of sensors that communicate through landline phones

Name one advantage of using a wireless sensor network.

• Limited coverage area

• One advantage of using a wireless sensor network is the flexibility and ease of deployment without the need for extensive wiring.

• The high cost of maintenance and repair

• Vulnerability to interference and hacking

How do sensor nodes communicate in a wireless sensor network?

• Infrared signals

• Bluetooth signals

• Ethernet cables

• Radio frequency signals

What is a sensor node?

• A type of fruit that grows on trees

• A musical instrument that produces sound

• A type of clothing worn by athletes

• A device that gathers data from the environment and transmits it to a central location.

What are the main components of a sensor node?

• sensor, receiver, battery, processor

• sensor, microcontroller, transceiver, power source

• actuator, circuit board, modem, solar panel

• camera, memory, antenna, display