1. Device authentication in Azure is provided by
A) Symmetric key (SAS Token)
B) X509
C) TPM
D) All of the above
Correct Answer: All of the above
2. Which of the following protocols is based on the REST architecture?
A) HTTP
B) CoAP
C) Both A and B
D) MQTT
Correct Answer: Both A and B
3. Raspbian OS used in Raspberry Pi is based on which of the following OS?
A) RTOS
B) Windows
C) Debian Linux
D) None of these above
Correct Answer: Debian Linux
4. RFID provides a simple, economical, versatile option for identification and access tokens, bootstrapping connections and payments.
A) True
B) False
Correct Answer: True
Explanation : RFID provides a simple, economical, versatile option for identification and access tokens, bootstrapping connections and payments.- True
5. Gyroscope is a proximity sensor used in IoT.
A) True
B) False
Correct Answer: False
Explanation : Gyroscope is a proximity sensor used in IoT.- False
6. While no transmission is taking place, Gainspans GS2000 makes optimum use of power by keeping the device in an energy-saving standby mode.
A) True
B) False
Correct Answer: True
Explanation : While no transmission is taking place, Gainspans GS2000 makes optimum use of power by keeping the device in an energy-saving standby mode.- True
7. The use of the Internet of Things (IoT) architecture in production is referred to as the Industrial Internet of Things (IoT).
A) True
B) False
Correct Answer: True
Explanation : The use of the Internet of Things (IoT) architecture in production is referred to as the Industrial Internet of Things (IoT).- True
8. Is not Arduino open-source?
A) True
B) False
Correct Answer: False
9. Sample and hold circuit is a _______ circuit.
A) Digital device
B) Analog device
C) Both analog and digital
D) Neither analog nor digital
Correct Answer: Analog device
Explanation : Sample and hold circuit is a Analog device circuit.
10. To avoid aliasing we use a __________ filter.
A) Digital filter
B) Anti-aliasing filter
C) Aliasing filter
D) Analog filter
Correct Answer: Anti-aliasing filter
Explanation : To avoid aliasing we use a Anti-aliasing filter.
11. Does HomePod allow voice control?
A) True
B) False
Correct Answer: True
Explanation : HomePod allows voice control- True
12. Which interface does the fingerprint sensor use?
A) CoAP interface
B) I2P interface
C) UART interface
D) SPI interface
Correct Answer: UART interface
Explanation : Fingerprint sensor uses UART interface.
13. Which of the following protocols is used by USART?
A) RS32
B) 4RS85
C) RS232C
D) All of the these
Correct Answer: RS232C
Explanation : RS232C protocols are used by USART.
14. These sensors measure the heat energy produced by a source.
A) Humidity sensors
B) Pressure sensors
C) Proximity
D) Temperature
Correct Answer: Temperature
Explanation : Temperature sensor measure the heat energy produced by a source.
15. Which of the following touch sensors are used in cell phones?
A) Resistive touch sensors
B) Human sensor
C) Capacitive touch sensor
D) Follow sensor
Correct Answer: Capacitive touch sensor
Explanation : Capacitive touch sensor touch sensors are used in cell phones.