IOT(Internet of Things) Multiple choice Questions and Answers

IOT(Internet of Things) Multiple choice Questions and Answers 

1. In general, Z-wave protocol for communication among devices is used for_________ .

A) Topology management
B) Home automation
C) Network configuration
D) None of the above

ANSWER= (B) Home automation

 

2. Which of the following characteristic of HART Data Link Layer helps it to achieve collision-free and deterministic communication?

A) Super-frames
B) Channel hopping
C) Channel blacklisting
D) All of the above

ANSWER= (A) Super-frames

 

3. Which of the following is the basis for Bluetooth technology?

A) Ad-hoc piconets
B) Ad-hoc technology
C) Both (a) and (b)
D) None of the above

ANSWER= (C) Both (a) and (b)

 

4. Which of the following protocol uses healing (message) to bypass radio dead-spots?

A) HART
B) NFC
C) Z-wave
D) None of the above

ANSWER= (C) Z-wave

 

5. Which of the following nodes send false routing messages in the network?

A) Bad nodes
B) Badly failed nodes
C) Failed nodes
D) All of the above

ANSWER= (B) Badly failed nodes

 

6.Which of the following layers provide multiplexing capability in Bluetooth technology?

A) L2CAP
B) RFComm
C) SDP
D) Baseband

ANSWER= (A) L2CAP

 

7. Which of the following component can be considered as optional for a sensor node?

A) Sensing unit
B) Transceiver
C) Location finding unit
D) None of the above

ANSWER= (C) Location finding unit

 

8. Which of the following provide energy to peer-to-peer tags?

A) Reader
B) Own power source
C) Both (a) and (b)
D) Doesn’t require energy

ANSWER= (B) Own power source

 

9. Which of the following schemes re-establish the connectivity between dumb nodes with others?

A) CoRD
B) CaRAD
C) Both (a) and (b)
D) None of the above

ANSWER= (C) Both (a) and (b)

 

10. Which layer of Bluetooth handles paging?

A) L2CAP
B) RFComm
C) SDP
D) Baseband

ANSWER= (D) Baseband

 

11. In general, is it advisable to increase the duty cycle of a node in case of rare events for social sensing?

A) Yes
B) No
C) NotApplicable

ANSWER= (B) No

 

12. Is Zigbee Pro compatible with Zigbee RF4CE?

A) Yes
B) No
C) NotApplicable

ANSWER= (B) No

 

13. Which of the following is True?

A) Scatternet is a subset of Piconet
B) Piconet is a subset of Scatternet
C) Adevice can be a master in more than one piconet
D) Apiconet can have maximum of 10 scatternets

ANSWER= (B) Piconet is a subset of Scatternet

 

14. Which of the following suffers in case of total co-operation in wireless ad hoc and sensor networks?

A) Network delay
B) Network throughput
C) Node’s lifetime
D) All of the above

ANSWER= (C) Node’s lifetime

 

15. Does ISA100.11Asupport tunneling mode?

A) Yes
B) No

ANSWER= (A) Yes