Top 350+ Solved Wireless Sensor Networks (WSN) MCQ Questions Answer

From 61 to 75 of 429

Q. _________ MAC frame is also called as Management frame.

a. data frame

b. beacon frame

c. acknowledgment frame

d. mac command frame

  • d. mac command frame

Q. In 802.15.4 standard Beacon frames are transmitted by coordinator

a. at the start

b. periodically

c. randomly

d. when new device detected

  • b. periodically

Q. The date available from sensor node is of type

a. periodic data

b. intermittent data

c. repetitive low latency data

d. a and b both

  • a. periodic data

Q. Select incorrect statement about ZigBee standard.

a. zigbee is a low-power, low data rate

b. zigbee is a low data rate, and close proximity

c. less expensive than other wpans

d. limits transmission distances to 1–10 km beyond line of sight,

  • d. limits transmission distances to 1–10 km beyond line of sight,

Q. Select correct statement.

a. zigbee standard is a low-power, high data rate

b. zigbee standard s a low data rate, and wide area coverage

c. zigbee is most expensive than other wpans

d. zigbee limits transmission distances to 10–100 meters, in line of sight,

  • d. zigbee limits transmission distances to 10–100 meters, in line of sight,

Q. Following is not the function of ZigBee used with IEEE 802.15.4 standard

a. network routing

b. address translation

c. channel acquisition

d. packet segmentation

  • c. channel acquisition

Q. Number of nodes possible with ZigBee network are

a. 10

b. 100

c. 1024

d. 64000

  • d. 64000

Q. Date rate of 250 kbps is maximum for ________ technology.

a. bluetooth

b. zigbee

c. ieee 802.11

d. a and b both

  • b. zigbee

Q. Life of ZigBee devices w.r.t. power consumption is in ________

a. hours

b. days

c. years

d. 4 weeks

  • c. years

Q. Range of ZigBee standard devices is

a. 1- 10 meters

b. 50- 100 meters

c. cms to 1 meter

d. 100-500 meters

  • b. 50- 100 meters

Q. Low data rate standard used for WPAN is

a. ieee 802.15.1

b. ieee 802.15.4

c. ieee 802.15.3

d. ieee 802.11

  • b. ieee 802.15.4

Q. High data rate standard used for WPAN is

a. ieee 802.15.1

b. ieee 802.15.4

c. ieee 802.15.3

d. ieee 802.11

  • c. ieee 802.15.3

Q. ZigBee 915 MHz ISM band has data rate of

a. 20kbps

b. 40kbps

c. 250bps

d. all of above

  • b. 40kbps

Q. ZigBee 868 MHz band has data rate of

a. 20kbps

b. 40kbps

c. 250bps

d. all of above

  • c. 250bps

Q. ZigBee 2.4GHz ISM band has data rate of

a. 20kbps

b. 40kbps

c. 250bps

d. all of above

  • a. 20kbps
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