Quiznetik
Internet of Things (IoT) | Set 3
1. IoT-A reference model is a
A. scalable
B. secure
C. bothscalable and secure
D. neither scalablenor secure
Correct : C. bothscalable and secure
2. What is the role of Bigdata in smart grid architecture of IoT?
A. store data
B. manage data
C. collect data
D. security
Correct : A. store data
3. What is the role of Cloud in smart grid architecture of IoT?
A. store data
B. manage data
C. collect data
D. security
Correct : B. manage data
4. What is the role of Gateway in smart grid architecture of IoT?
A. store data
B. manage data
C. collect data
D. security
Correct : C. collect data
5. What is the role of Sensor in smart grid architecture of IoT?
A. store data
B. manage data
C. collect data
D. security
Correct : A. store data
6. IoT gateway must provide
A. simple and fastinstallation
B. security with hardware
C. data storage
D. protocol abstraction
Correct : D. protocol abstraction
7. Which of the following is IoT device manageability?
A. protocol abstraction
B. simple and fast installation
C. security with hardware
D. data storage
Correct : B. simple and fast installation
8. endpoint displays arbitrary application information.
A. /health
B. /info
C. /metric
D. /trace
Correct : B. /info
9. Which endpoint displays trace information?
A. /health
B. /info
C. /metric
D. trace
Correct : D. trace
10. Enabled customization endpoint will be enabled only during
A. true cases only
B. false cases only
C. either true orfalse cases
D. true and false cases
Correct : A. true cases only
11. Enabled customization endpoint will be sensitive only during
A. true cases only
B. false cases only
C. either true orfalse cases
D. true and false cases
Correct : D. true and false cases
12. Which protocol is used to link all the devices in the IoT?
A. tcp/ip
B. network
C. udp
D. http
Correct : A. tcp/ip
13. enables seamless integration of LoWPAN devices with internet leveraging.
A. ietf 6lowpan
B. ieft coap
C. rfid/nfc
D. ieee 802.15.4.lowpan
Correct : A. ietf 6lowpan
14. enables open application layer for constrained nodes.
A. ietf 6lowpan
B. ieft coap
C. rfid/nfc
D. ieee 802.15.4.lowpan
Correct : B. ieft coap
15. tags, devices, smart phones useful in identification.
A. ietf 6lowpan
B. ieft coap
C. rfid/nfc
D. ieee802.15.4.lo wpan
Correct : C. rfid/nfc
16. supports low energy radio operation.
A. ietf6lowpan
B. ieftcoap
C. rfid/nfc
D. bluetooth
Correct : D. bluetooth
17. specification defining the PHY and MAC layer of low power devices.
A. ietf 6lowpan
B. ieft coap
C. rfid/nfc
D. ieee 802.15.4.lowpan
Correct : D. ieee 802.15.4.lowpan
18. 6LoWPAN Adaption layer contains?
A. header compressio n
B. fragmentat ion
C. layer 2 forwarding
D. header compressio n, fragmentat ion, and layer 2 forwarding
Correct : D. header compressio n, fragmentat ion, and layer 2 forwarding
19. Adheres to approach for managing resources and support mapping to HTTP.
A. retful
B. iot
C. restful
D. restful
Correct : D. restful
20. is an application layer protocol for resource constrained devices.
A. coap
B. hmtp
C. mqtt
D. tcp/ip
Correct : A. coap
21. resources are identified by Uniform Resource Identifiers.
A. coap
B. hmtp
C. mqtt
D. tcp/ip
Correct : A. coap
22. Which protocol interacts asynchronously over UDP?
A. hmtp
B. coap
C. mqtt
D. tcp/ip
Correct : B. coap
23. How many messages types are there in CoAP?
A. 2
B. 5
C. 3
D. 4
Correct : D. 4
24. API architecture not only includes critical elements but also caters for
A. system
B. devices
C. network
D. multi homing
Correct : D. multi homing
25. is uniquely identifiable embedded computing devices.
A. internet
B. iot
C. bigdata
D. cloud
Correct : B. iot
26. Without computers embedded in house keys are worthless
A. data
B. services
C. both data andservices
D. neither data norservices
Correct : C. both data andservices
27. CoAP messages are short.
A. true
B. false
Correct : A. true
28. How many messages types are there in CoAP?
A. 2
B. 5
C. 3
D. 4
Correct : D. 4
29. Number of methods in CoAP?
A. 2
B. 5
C. 4
D. 3
Correct : C. 4
30. WSN stands for
A. wired sensor network
B. wireless sensor network
C. wired service network
D. wireless service network
Correct : B. wireless sensor network
31. The core of the protocol is specified in
A. rfc 7254
B. rfc 7252
C. rfc 7452
D. rfc 7524
Correct : B. rfc 7252
32. How many types of arduinos do we have?
A. 5
B. 6
C. 8
D. 6
Correct : C. 8
33. What is the microcontroller used in Arduino UNO?
A. atmega32 8p
B. atmega2560
C. atmega321 14
D. at91sam3x 8e
Correct : A. atmega32 8p
34. What does p refer to in ATmega328p?
A. production
B. pico- power
C. power- pico
D. programma ble on chip
Correct : B. pico- power
35. What is the default bootloader of the Arduino UNO?
A. optiboot bootloader
B. air-boot
C. bare box
D. gag
Correct : A. optiboot bootloader
36. Does the level shifter converts the voltage levels between RS-232 and transistor-transistor logic.
A. true
B. false
Correct : A. true