Top 350+ Solved Wireless Sensor Networks (WSN) MCQ Questions Answer
Q. IEEE 802.15.4 standard has data rate of
a. 20 kb/s, 40kb/s, 250kb/s
b. 20 kb/s, 40kb/s, 80kb/s
c. 20 kb/s, 80kb/s, 200kbs
d. 40 kb/s, 80kb/s, 160kbs
Q. Which of the following is not the job of IEEE 802.15.4 PHY standard
a. packet generation
b. packet reception
c. channel acquisition
d. power management
Q. Which of the following is not the job of IEEE 802.15.4 MAC standard
a. channel acquisition
b. data transparency
c. nic address
d. error correction
Q. Which of the following is the job of IEEE 802.15.4 PHY standard
a. channel acquisition
b. contention management
c. power management
d. error correction
Q. Size of guard band is larges in case of ____________
a. 2.4ghz ism band
b. 915mhz ism band
c. european 868mhz band.
d. same in all cases
Q. Following device class is able to be a Network coordinator
a. full function device (ffd)
b. reduced function device (rfd)
c. both are capable
d. any of them can not be
Q. Following device class is able to talk to any other device
a. full function device (ffd)
b. reduced function device (rfd)
c. both are capable
d. none of above
Q. Select correct statement about Full function device (FFD)
a. limited to star topology
b. cannot become a network coordinator
c. talks only to a network coordinator
d. can be used in star, tree and mesh topology
Q. Select correct statement about Reduced function device (RFD)
a. can be used in tree topology
b. talks to network coordinator only
c. talks to any other device
d. capable to be a network coordinator
Q. Device class of Full function device (FFD) is used in
a. star topology only
b. tree topology only
c. mesh topology only
d. any of the above topology
Q. _________ MAC frame serve to announce the presence of a wireless LAN and to synchronize the members of the service set.
a. data frame
b. beacon frame
c. acknowledgment frame
d. mac command frame
Q. _________ MAC frame serve as the control frame.
a. data frame
b. beacon frame
c. acknowledgment frame
d. mac command frame