Wireless Sensor Networks Wsn Set 12

Electronics and Telecommunication Engineering [ENTC]

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This set of Wireless Sensor Networks (WSN) Multiple Choice Questions & Answers (MCQs) focuses on Wireless Sensor Networks Wsn Set 12

Q1 | Following layer of ZigBee is shared FOR alliance with IEEE 802.15.4
  • network layer
  • data link layer
  • application layer
  • mac layer
Answer: mac layer
Q2 | Function of MAC layer in ZigBee alliance is
  • modulation and demodulation
  • transmits the beacon frames
  • end device connection and disconnection
  • network setup
Answer: transmits the beacon frames
Q3 | Type of ZigBee participate in multi-hop routing of message is
  • zigbee coordinator
  • zigbee router
  • zigbee end device
  • a and b both
Answer: a and b both
Q4 | Wireless Technology having bandwidth of 1 Mbps is
  • zigbee
  • wi-fi
  • bluetooth
  • none of above
Answer: bluetooth
Q5 | Wireless Technology having bandwidth of 250 Kbps is
  • zigbee
  • wi-fi
  • bluetooth
  • none of above
Answer: zigbee
Q6 | Wireless Technology having bandwidth of up to 54 Mbps is
  • zigbee
  • wi-fi
  • bluetooth
  • none of above
Answer: wi-fi
Q7 | WirelessHART   is stands for
  • high area remote transducer protocol
  • highway area remote transducer protocol
  • highway addressable remote transducer protocol
  • higher address remote transfer protocol
Answer: highway addressable remote transducer protocol
Q8 | Wireless HART   is based on
  • ieee 802.15.3-2006, 2.4ghz ism band
  • ieee 802.15.4-2006, 2.4ghz ism band
  • ieee 802.15.4-2006, 915 mhz ism band
  • ieee 802.15.3-2006, 915 mhz ism band
Answer: ieee 802.15.4-2006, 2.4ghz ism band
Q9 | ISA100.11a is a wireless networking technology standard where ISA stands for
  • international security addressing
  • international society of addressing
  • international society of automation
  • international security for automation
Answer: international society of automation
Q10 | ISA100.11a protocol stack includes following layers:
  • physical layer, data link layer, network layer and transport layer.
  • physical layer, data link layer, network layer, transport layer and application layer.
  • data link layer, network layer, transport layer and application layer.
  • physical layer, data link layer, network layer and application layer.
Answer: physical layer, data link layer, network layer, transport layer and application layer.
Q11 | _________ provides IP communication capability to nodes in WSN.
  • isa100.11a
  • zigbee
  • 6lowpan
  • bluetooth
Answer: 6lowpan
Q12 | Standard to be used for virtual wireless multimedia connectivity is
  • ieee 802.15.4 and zigbee alliance
  • ieee 802.15.3
  • ieee 802.15.1 with bluetooth
  • none of above
Answer: ieee 802.15.3
Q13 | Feature of IEEE 802.15.3 is
  • low data rate and low power
  • high data rate and high power
  • high data rate and low power
  • low data rate and high power
Answer: high data rate and low power
Q14 | FSK modulation technique is used in ______- standard.
  • wavenis
  • insteon
  • zigbee
  • bluetooth
Answer: insteon
Q15 | IEEE 802.15.4 ANT presents a data rate of
  • 10 kbit/sec
  • 100 kbit/sec
  • 1 mbit/sec
  • 250 kbit/sec
Answer: 1 mbit/sec
Q16 | The objective of the cross-layer protocol in WSN is
  • highly reliable communication with minimal energy consumption
  • adaptive communication decisions
  • local congestion avoidance.
  • all of the bove
Answer: all of the bove
Q17 | A Z-Wave network can consist of ____________ nodes to the max.
  • 121
  • 232
  • 10
  • 64
Answer: 232
Q18 | The Z-Wave Network is of the ______ architecture
  • star
  • tree
  • mesh
  • peer to peer
Answer: mesh
Q19 | In case of Z wave network, ______ node has complete map and calculate routes
  • routing slaves
  • controllers
  • slaves
  • a and b both
Answer: controllers
Q20 | In case of Z wave network, ______ node can act as repeater.
  • routing slaves
  • controllers
  • slaves
  • a and b both
Answer: a and b both
Q21 | Z-Wave uses a ______ bit identifier
  • 16
  • 8
  • 32
  • 24
Answer: 32
Q22 | Wireless HART communication protocol able to work on distances up to ____________
  • 100 m
  • 1500 m
  • 50 m
  • 500 m
Answer: 1500 m
Q23 | Wibree Nokia’s short-range wireless connection which is similar and compatible to Bluetooth is
  • equally energy efficient as bluetooth
  • less energy efficient than bluetooth
  • more energy efficient than bluetooth
  • cannot relate energy efficiency
Answer: more energy efficient than bluetooth
Q24 | At the physical layer, contribute to energy loss in a wireless transmission, the loss is
  • due to the channel and the fixed energy cost
  • due to run of the transmission and reception circuitry
  • both
  • neither a nor b
Answer: both
Q25 | As the energy used in transmission ___________, the probability of error ___________, and the number of retransmissions _________.
  • increases, decreases, increases
  • decreases, decreases, increases
  • decreases, decreases, decreases
  • increases, decreases, decreases
Answer: increases, decreases, decreases
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