1. State whether the following statement is true or false.
Statement: There is no network layer in Wired HART
a. True
b. False
Answer:- a
2. HART operates only in____________ GHz ISM band.
a. 2.4
b. 4.8
с. 4.9
d. 4.4
Answer:- a
3. Super-frames in HART consist of grouped___________ wide timeslots.
a. 10ms
b. 20ms
c. 55ms
d. None of these
Answer:- a
4. The process of identifying channels consistently affected by interference and removing them from use is known as________________
a. Channel hopping
b. Channel aggregating
c. Frequency aggregating
d. Channel blacklisting
Answer:- d
5. State whether the following statement is True or False
Statement: Each node is supervised by the application manager and it guides them on when and where to send packets.
a. True
b. False
Answer:- b
6. FeliCa is commonly found in which country?
a. Japan
b. India
c. USA
d. None of these
Answer:- a
7. State whether the following state is true or false.
Statement: NFC tags found in supermarket products are examples of passive NFC.
a. True
b. False
Answer:- a
8. Active NFC devices are able to______________?
a. transmit information
b. collect information
c. Both (a) and (b)
d. None of these
Answer:- c
9. _________________in NFC emits a small electric current which creates a magnetic field that in turn bridges the physical space between the devices.
a. reader
b. writer
c. destroyer
d. None of these
Answer:- a
10. Bluetooth technology is based on.
a. WiFi
b. LoRa
c. Ad-hoc technology
d. None of these
Answer:- c
11. Bluetooth technology operates in the unlicensed industrial, scientific and medical (ISM) band at______________to______________GHz.
a. 3.2, 5.6
b. 2.4, 2.485
c. 5.0, 5.89
d. None of these
Answer:- b
12. Z-wave operates at______________MHz in the US and____________Miz in Europe.
a. 1008, 989
b. 908.42, 868.42
c. 767.56, 855.28
d. None of these
Answer:- b
13. State whether the following statement is true or false.
Statement: Sensor nodes have limited battery life.
a. True
b. False
Answer:- a
14. State whether the following statement is true or false.
Statement: The Link Manager Protocol in Bluetooth manages the establishment, authentication, link configuration.
a. True
b. False
Answer:- b
15. Zigbee commonly uses_____________data rate.
a. 250 kbps
b. 250 Mbps
c. 260 kbps
d. 260 Mbps
Answer:- a