Question 1

Anchor nodes are the nodes having ________.

Accepted Answer

A) compass on it 
B) gps on it 
C) trans-receiver on it 
D) internet connectivity 
A) compass on it 
B) gps on it 
C) trans-receiver on it 
D) internet connectivity B

Question 2

The ________ the transmission power of the mule, then ________ is the accuracy of positioning.

Accepted Answer

A) weaker, weaker 
B) better, better 
C) weaker, better 
D) none of the above 
A) weaker, weaker 
B) better, better 
C) weaker, better 
D) none of the above C

Question 3

Pre-deployment Schemes provide sensor nodes with their location information _________ them in the environment.

Accepted Answer

A) before installing 
B) after installing 
C) both are possible 
D) initially during network formation 
A) before installing 
B) after installing 
C) both are possible 
D) initially during network formation A

Question 4

For outdoor wireless sensor networks ________ is used for localization

Accepted Answer

A) gps 
B) postal address 
C) semantic information 
D) a and b both 
A) gps 
B) postal address 
C) semantic information 
D) a and b both

Question 5

Trilateration measures distance based on radio communication by mapping _____ values into distances.

Accepted Answer

A) received signal strength indicator - rssi 
B) link quality indicator - lqi 
C) rssi or lqi 
D) rssi and lqi 
A) received signal strength indicator - rssi 
B) link quality indicator - lqi 
C) rssi or lqi 
D) rssi and lqi

Question 6

Node gather enough anchor points and measurements, they compute their own locations. Once they have localized, they also declare themselves as an anchors. In this way, sensor nodes without enough anchors get a chance to localize. This approach is called as ____________ localization.

Accepted Answer

A) iterative 
B) direct 
C) range free 
D) a and c both 
A) iterative 
B) direct 
C) range free 
D) a and c both

Question 7

Range Based target tracking algorithm relies on

Accepted Answer

A) distance calculation, 
B) range calculation, 
C) connectivity of nodes 
D) a and b both 
A) distance calculation, 
B) range calculation, 
C) connectivity of nodes 
D) a and b both

Question 8

Pre-deployment Schemes provide sensor nodes with their location information of consist of _________

Accepted Answer

A) symbolic information 
B) postal address 
C) a and b both 
D) gps location 
A) symbolic information 
B) postal address 
C) a and b both 
D) gps location

Question 9

A typical GPS receivers achieve 15 meters accuracy with 95% precision. This means that in 95% of all measurements you stay in the radius of 15 meters, whereas in the remaining 5% you have _____ errors.

Accepted Answer

A) smaller 
B) larger 
C) can not specify 
D) a or b 
A) smaller 
B) larger 
C) can not specify 
D) a or b

Question 10

For trilateration, we measure distances to at least _______ anchors.

Accepted Answer

A) 2 
B) 3 
C) 4 
D) 5 
A) 2 
B) 3 
C) 4 
D) 5

Question 11

_______________ is essential for any WSN application.

Accepted Answer

A) time synchronization 
B) localization 
C) time synchronization & localization 
D) a or b any one 
A) time synchronization 
B) localization 
C) time synchronization & localization 
D) a or b any one

Question 12

Choose the correct statement

Accepted Answer

A) physical coordinates changes and symbolic coordinates remains constant over time 
B) physical coordinates remains constant and symbolic coordinates changes over time 
C) physical coordinates and symbolic coordinates both remains constant over time 
D) physical coordinates and symbolic coordinates changes over time 
A) physical coordinates changes and symbolic coordinates remains constant over time 
B) physical coordinates remains constant and symbolic coordinates changes over time 
C) physical coordinates and symbolic coordinates both remains constant over time 
D) physical coordinates and symbolic coordinates changes over time

Question 13

In triangulation, need to measure the angle between the sensor node and the anchors and use this information to compute nodes own position.

Accepted Answer

A) angle 
B) distance 
C) angle and distance 
D) angle and height 
A) angle 
B) distance 
C) angle and distance 
D) angle and height

Question 14

Localization accuracy is the _____________ distance between the estimated and the real position of the sensor node.

Accepted Answer

A) average 
B) smallest 
C) largest 
D) mean 
A) average 
B) smallest 
C) largest 
D) mean

Question 15

In case of iterative localization the accuracy of localization ________ with each iteration.

Accepted Answer

A) increases 
B) decreases 
C) remains same 
D) may increase or decrease 
A) increases 
B) decreases 
C) remains same 
D) may increase or decrease

Question 16

_____________ has strategy of Non-anchor nodes try to locate themselves by sensing the positions of anchor nodes in their proximity

Accepted Answer

A) post-deployment localization 
B) pre-deployment localization 
C) proximity scheme of localization 
D) b and c both 
A) post-deployment localization 
B) pre-deployment localization 
C) proximity scheme of localization 
D) b and c both

Question 17

_____________ has strategy of Non-anchor nodes try to locate themselves by sensing the positions of anchor nodes in their proximity

Accepted Answer

A) post-deployment localization 
B) pre-deployment localization 
C) neither a nor b 
D) a and b both 
A) post-deployment localization 
B) pre-deployment localization 
C) neither a nor b 
D) a and b both

Question 18

For trilateration, we measure _______ between the node and anchors.

Accepted Answer

A) angle 
B) distance 
C) angle and distance 
D) angle and height 
A) angle 
B) distance 
C) angle and distance 
D) angle and height

Question 19

If the target cooperates itself in localization & tracking, then it is called as _________ target tracking.

Accepted Answer

A) active 
B) collaborative 
C) cooperative 
D) all of these 
A) active 
B) collaborative 
C) cooperative 
D) all of these

Question 20

The time difference of arrival method uses ___________ communication interfaces to estimate distance.

Accepted Answer

A) radio only 
B) acoustic only 
C) radio and acoustic 
D) radio or acoustic 
A) radio only 
B) acoustic only 
C) radio and acoustic 
D) radio or acoustic

Anchor nodes are the nodes having ________.

The the transmission power of the mule, then is the accuracy of positioning.

Pre-deployment Schemes provide sensor nodes with their location information _________ them in the environment.

For outdoor wireless sensor networks ________ is used for localization

Trilateration measures distance based on radio communication by mapping _____ values into distances.

Node gather enough anchor points and measurements, they compute their own locations. Once they have localized, they also declare themselves as an anchors. In this way, sensor nodes without enough anchors get a chance to localize. This approach is called as ____________ localization.

Range Based target tracking algorithm relies on

Pre-deployment Schemes provide sensor nodes with their location information of consist of _________

A typical GPS receivers achieve 15 meters accuracy with 95% precision. This means that in 95% of all measurements you stay in the radius of 15 meters, whereas in the remaining 5% you have _____ errors.

For trilateration, we measure distances to at least _______ anchors.

_______________ is essential for any WSN application.

Choose the correct statement

In triangulation, need to measure the angle between the sensor node and the anchors and use this information to compute nodes own position.

Localization accuracy is the _____________ distance between the estimated and the real position of the sensor node.

In case of iterative localization the accuracy of localization ________ with each iteration.

_____________ has strategy of Non-anchor nodes try to locate themselves by sensing the positions of anchor nodes in their proximity

_____________ has strategy of Non-anchor nodes try to locate themselves by sensing the positions of anchor nodes in their proximity

For trilateration, we measure _______ between the node and anchors.

If the target cooperates itself in localization & tracking, then it is called as _________ target tracking.

The time difference of arrival method uses ___________ communication interfaces to estimate distance.

Exploring the Challenges and Applications of Sensor Networks

Wireless Networking and Sensor Networks

Wireless Sensor Network Applications and Challenges

Exploring Different Aspects of Wireless Sensor Networks

Topics on Wireless Sensor Networks and Network Access Protocols

Multiple Access Techniques and Wireless Network Management

Wireless Networking and Radio Communication

Understanding Energy Optimization and Latency in Sensor Networks

Wireless Mac Protocols and Network Topology Control

Wireless Networking and Standards

Mac and PHY Standards and Zigbee Technology

Wireless Networking Technology and Protocols

Wireless Communication Technologies and Standards

Network Size, Tracking Capabilities, and Routing Protocols

Routing and Localization in Sensor Networks

Range-Free Localization Techniques and Node Network Terminology

Filters

Exam 16: Localization and Tracking Methods in Wireless Sensor Networks

Anchor nodes are the nodes having ________.

The ________ the transmission power of the mule, then ________ is the accuracy of positioning.

Pre-deployment Schemes provide sensor nodes with their location information _________ them in the environment.

For outdoor wireless sensor networks ________ is used for localization

Trilateration measures distance based on radio communication by mapping _____ values into distances.

Node gather enough anchor points and measurements, they compute their own locations. Once they have localized, they also declare themselves as an anchors. In this way, sensor nodes without enough anchors get a chance to localize. This approach is called as ____________ localization.

Range Based target tracking algorithm relies on

Pre-deployment Schemes provide sensor nodes with their location information of consist of _________

A typical GPS receivers achieve 15 meters accuracy with 95% precision. This means that in 95% of all measurements you stay in the radius of 15 meters, whereas in the remaining 5% you have _____ errors.

For trilateration, we measure distances to at least _______ anchors.

_______________ is essential for any WSN application.

Choose the correct statement

In triangulation, need to measure the angle between the sensor node and the anchors and use this information to compute nodes own position.

Localization accuracy is the _____________ distance between the estimated and the real position of the sensor node.

In case of iterative localization the accuracy of localization ________ with each iteration.

_____________ has strategy of Non-anchor nodes try to locate themselves by sensing the positions of anchor nodes in their proximity

_____________ has strategy of Non-anchor nodes try to locate themselves by sensing the positions of anchor nodes in their proximity

For trilateration, we measure _______ between the node and anchors.

If the target cooperates itself in localization & tracking, then it is called as _________ target tracking.

The time difference of arrival method uses ___________ communication interfaces to estimate distance.

Exploring the Challenges and Applications of Sensor Networks

Wireless Networking and Sensor Networks

Wireless Sensor Network Applications and Challenges

Exploring Different Aspects of Wireless Sensor Networks

Topics on Wireless Sensor Networks and Network Access Protocols

Multiple Access Techniques and Wireless Network Management

Wireless Networking and Radio Communication

Understanding Energy Optimization and Latency in Sensor Networks

Wireless Mac Protocols and Network Topology Control

Wireless Networking and Standards

Mac and PHY Standards and Zigbee Technology

Wireless Networking Technology and Protocols

Wireless Communication Technologies and Standards

Network Size, Tracking Capabilities, and Routing Protocols

Routing and Localization in Sensor Networks

Range-Free Localization Techniques and Node Network Terminology

Filters

The the transmission power of the mule, then is the accuracy of positioning.