IoT and Sensor Systems Quiz

Which sensor is used to measure both temperature and humidity?

• BMP180

• DHT11

• LDR

• Ultrasonic sensor

What is the purpose of the ESP8266 module in this system?

• To measure humidity

• To provide Wi-Fi connectivity

• To control actuators

• To store sensor data

Which sensor is commonly used for detecting obstacles?

• IR sensor

• DHT11

• Light sensor

• Gas sensor

What protocol is typically used to send data in the Obstacle Detection System?

• HTTP

• FTP

• CoAP

• TCP

Which programming environment is primarily used to write the code for Arduino projects?

• Node-RED

• Arduino IDE

• Visual Studio

• Eclipse

What type of communication is used to send data from the sensors to the MQTT broker?

• Serial communication

• Ethernet

• Wireless communication

• Bluetooth

What type of component does the LED represent in the Smart Home Lighting System?

• Sensor

• Actuator

• Microcontroller

• Power supply

In Node-RED, which node is used to send MQTT messages to the broker?

• Inject node

• Function node

• MQTT out node

• Debug node

Which type of sensor is used to measure light intensity in the Environmental Monitoring System?

• Temperature sensor

• Humidity sensor

• LDR sensor

• Pressure sensor

What type of data is typically sent to the cloud in this practical?

• Video data

• Sensor readings (temperature, humidity, light)

• Audio data

• Image data