IoT_Assignment 4

State whether the following statement is true or false.

Statement: In “AID”, a set of sensor nodes are deployed over an agricultural field. 

Correct Answer: a. True

Detailed Solution: In “AID”, a set of sensor nodes are deployed over a agricultural field

• 1. True

• 1. False

• None

• None

State True or False.

Statement: Ultrasonic sensor senses the distance at which an object is located.

Correct Answer: a. True

Detailed Solution: Ultrasonic sensor senses the distance at which an object is located.

• 1. True

• 1. False

• None

• None

State true or false.

In case of static sensors, where to deploy and/or activate sensors in WSN is a coverage problem.

Correct Answer: a. True

Detailed Solution: In case of static sensors, where to deploy and/or activate sensors in WSN is a coverage problem.

• 1. True

• 1. False

• None

• None

State whether the following statement is true or false.

Statement: Objective of coverage in WSN is to use maximum number of sensors and minimize network lifetime.

Correct Answer: b. False

Detailed Solution: The objective of coverage in WSN is to use minimum number of sensors and maximize the network lifetime.

• 1. True

• 1. False

• None

• None

State whether the following statement is true or false.

Statement: “A crossing is covered if it is in the interior of at least one node’s coverage disk.”

Correct Answer: a. True

Detailed Solution: A crossing is covered if it is in the interior of at least one node’s coverage disk.

• True

• 1. False

• None

• None

State which of the following is/are correct for stationary wireless sensor networks.

Correct Answer: c. Both (a) and (b)

Detailed Solution: Topology cannot be changed automatically. And Node failure may result in partition of networks. Are correct.

• 1. Topology cannot be changed automatically.

• 1. Node failure may result in partition of networks.

• 1. Both (a) and (b)

• 1. None of these

Most problems in static WSN can be classified as -_________________

Correct Answer: d. None of these

Detailed Solution: Most problems in static WSN can be classified as -

1. Area coverage

2. Point coverage

3. Barrier coverage

• 1. No coverage

• 1. More coverage

• 1. Both (a) and (b)

• 1. None of these

Which of the following is/are correct with respect UAV networks?

Correct Answer: c. Both (a) and (b)

Detailed Solution: Multi-tasking and Large coverage area are correct.

• 1. Multi-tasking

• 1. Large coverage area

• 1. Both (a) and (b)

• 1. None of these

State True or False.

Statement: UAV networks are scalable.

Correct Answer: a. True

Detailed Solution: UAV networks are scalable.

• 1. True

• 1. False

• None

• None

In Mobile WSN, the Data Mules ___________

Correct Answer: c. Both (a) and (b)

• 1. Collect the data from sensor nodes

• 1. Goes to the sink and delivers the collected data

• 1. Both (a) and (b)

• 1. Neither (a) nor (b)