Top 350+ Solved Wireless Sensor Networks (WSN) MCQ Questions Answer
Q. The objective of the cross-layer protocol in WSN is
a. highly reliable communication with minimal energy consumption
b. adaptive communication decisions
c. local congestion avoidance.
d. all of the bove
Q. In case of Z wave network, ______ node has complete map and calculate routes
a. routing slaves
b. controllers
c. slaves
d. a and b both
Q. In case of Z wave network, ______ node can act as repeater.
a. routing slaves
b. controllers
c. slaves
d. a and b both
Q. Wireless HART communication protocol able to work on distances up to ____________
a. 100 m
b. 1500 m
c. 50 m
d. 500 m
Q. Wibree Nokia’s short-range wireless connection which is similar and compatible to Bluetooth is
a. equally energy efficient as bluetooth
b. less energy efficient than bluetooth
c. more energy efficient than bluetooth
d. cannot relate energy efficiency
Q. At the physical layer, contribute to energy loss in a wireless transmission, the loss is
a. due to the channel and the fixed energy cost
b. due to run of the transmission and reception circuitry
c. both
d. neither a nor b
Q. As the energy used in transmission ___________, the probability of error ___________, and the number of retransmissions _________.
a. increases, decreases, increases
b. decreases, decreases, increases
c. decreases, decreases, decreases
d. increases, decreases, decreases
Q. Responsibilities of the data link layer are __
a. multiplexing of data streams
b. data frame detection
c. medium access (mac) & error control.
d. all of above
Q. The _____ layer is roughly equivalent to the MAC sub layer in bluetooth.
a. l2cap
b. radio
c. baseband
d. none of the above