Top 350+ Solved Wireless Sensor Networks (WSN) MCQ Questions Answer
Q. The __________ is designed to radiate the aura of the electromagnetic field created by the electric current.
a. intensity
b. antenna
c. radio
d. phase
Q. __________ communications mode means that it can both transmit and receive, but only one action at a time.
a. radio
b. multiplexing
c. full duplex
d. half duplex
Q. The radio communication spectrum is divided into bands based on ______.
a. frequency
b. cost and hardware
c. transmission media
d. amplitude
Q. Which of the following is a type of wireless network interference that can originate from a nearby radio wave transmitter?
a. snr
b. rfi
c. emi
d. crosstalk
Q. What type of interference is emitted by nearby electrical motors, appliances, or faulty connections?
a. snr
b. rfi
c. crosstalk
d. emi
Q. What is the receive signal strength indicator used to measure?
a. the ssid of the access point with the strongest signal.
b. the weakest signal on any channel within the range of an access point.
c. the strongest signal on a particular channel at a specific location.
d. the channel which the least signal to noise ratio.
Q. What is the measurement used to indicate the amount of interference to a particular location?
a. crosstalk
b. snr
c. rfi
d. emi
Q. Which of these is not true for Time-Division Duplex (TDD)?
a. tdd uses different time slots for transmission and reception paths
b. single radio frequency can be used
c. it increases the battery life of mobile phones
d. a duplexer is required
Q. Densor sensor field---------- the odds of detecting a signal source within the range
a. increases
b. decreases
c. not affect
d. independent of
Q. As the number of nodes___________, every node spends almost all of its time forwarding packets of other nodes
a. decreases
b. increases
c. goes down
d. remains same
Q. select the incorrect statement
a. networking allows geographical distribution of the sensor nodes and their placement close to signal sources
b. radio communication is the less expensive operation a node performs in terms of energy usage
c. sensor networks are typically deployed in an adhoc manner
d. wireless communication between nodes utilizes radio links
Q. select the incorrect statement
a. networking allows geographical distribution of the sensor nodes and their placement close to signal sources
b. radio communication is the most expensive operation a node performs in terms of energy usage
c. sensor networks are typically deployed in an adhoc manner
d. wireless communication between nodes utilizes optical link links
Q. select the incorrect statement
a. networking allows geographical distribution of the sensor nodes and their placement close to signal sources
b. radio communication is the most expensive operation a node performs in terms of energy usage
c. sensor networks are typically deployed in structured manner
d. wireless communication between nodes utilizes radio links
Q. Within the coverage range, nodes communication is by__________
a. multicast
b. broadcast
c. both
d. none of above
Q. ___________sub-layer manages access to the physical network medium, and its fundamental goal is to reduce or avoid packet collisions in the medium
a. llc
b. physical
c. mac
d. baseband