Top 350+ Solved Wireless Sensor Networks (WSN) MCQ Questions Answer
Q. The more capable nodes can naturally play the role of __________
a. cluster leader
b. cluster node
c. cluster head
d. cluster master
Q. __________are nodes that aid in passing traffic from one cluster to another
a. gateway
b. gradient
c. router
d. termional node
Q. In wireless sensor network
a. no special master clocks are available
b. connections are ephemeral
c. communication delays are inconsistent and unpredictable
d. all of above
Q. In wireless sensor network
a. communication delays are consistent and predictable
b. no special master clocks are available
c. neither a nor b
d. a and b both
Q. Time difference caused by the lack of a common time origin are referred to as___________
a. clock phase difference
b. clock bias
c. neither a nor b
d. a and b both
Q. Drawbacks of GPS to use in WSN node is
a. gps receivers are difficult to incorporate into every sensor node due to cost, power consumption, large form factors
b. gps systems do not work indoor or under ford foliage or in other expectable conditions
c. neither a nor b
d. a and b both
Q. _____sensor can be tasked to look for animals of a particular size and color. _____sensor can be tasked to detect the presence of a particular type of vehicle
a. i. acoustic ii. camera
b. i. camera ii. acoustic
c. i. camera ii. camera
d. i. acoustic ii. acoustic
Q. select the correct statement
a. the purpose of a sensor system is to obtain information that is as extensive and detailed as possible about the unknown parts of the world state
b. the main idea of information based sensor tasking is to base sensor selection decisions on information content as well as constraints on resource consumption, latency and other costs
c. a and b both correct
d. a and b both incorrect
Q. In __________sensor network systems, we must balance the information contribution of individual sensors against the cost of communicating with them
a. centralized
b. distributed
c. centralized as well as distributed
d. none of above
Q. From a data storage point of view ,one may think of a sensor network as a distributed database that
a. collects physical measurements about the environment
b. indexes them
c. serves queries from users and other applications external to or from within the network
d. all of above
Q. In__________ database systems, data storage may be allocated among several geographical separated locations, connected by a communications network
a. centralized
b. distributed
c. centralized as well as distributed
d. none of above
Q. Each sensor in a sensor network takes___________ measurements of physical phenomena such as heat, sound, light ,pressure or motion
a. time stamped
b. time sequenced
c. time sequenced as wella as time stamped
d. either time sequenced or time stamped
Q. The challenge in sensor network databases is/ are
a. the system as a whole is highly volatile
b. relational tables are not static since new data is continuously being sensed
c. the high energy cost of communication encourages in-networking processing during query execution
d. all of the above
Q. The size of wireless sensor system is limited mostly by A: the cost of maintaining communication links B: the cost of sensor hardware
a. a
b. b
c. both
d. neither a nor b