Question 1

select the incorrect statement

Accepted Answer

A) networking allows geographical distribution of the sensor nodes and their placement close to signal sources 
B) radio communication is the most expensive operation a node performs in terms of energy usage 
C) sensor networks are typically deployed in an adhoc manner 
D) wireless communication between nodes utilizes optical link links 
A) networking allows geographical distribution of the sensor nodes and their placement close to signal sources 
B) radio communication is the most expensive operation a node performs in terms of energy usage 
C) sensor networks are typically deployed in an adhoc manner 
D) wireless communication between nodes utilizes optical link links D

Question 2

What is the measurement used to indicate the amount of interference to a particular location?

Accepted Answer

A) crosstalk 
B) snr 
C) rfi 
D) emi 
A) crosstalk 
B) snr 
C) rfi 
D) emi B

Question 3

Within the coverage range, nodes communication is by__________

Accepted Answer

A) multicast 
B) broadcast 
C) both 
D) none of above 
A) multicast 
B) broadcast 
C) both 
D) none of above B

Question 4

Following characteristics of wireless sensor networks point to the need for a specialized MAC protocol

Accepted Answer

A) most sensor nodes are idle much of the time 
B) in-network processing can greatly improve bandwidth utilization 
C) issues of energy efficiency, scalability and robustness remain paramount 
D) all of above 
A) most sensor nodes are idle much of the time 
B) in-network processing can greatly improve bandwidth utilization 
C) issues of energy efficiency, scalability and robustness remain paramount 
D) all of above

Question 5

Which of the RF multiplexing methods uses times slices to carry multiple data streams on a single carrier?

Accepted Answer

A) fdm 
B) fm 
C) tdm 
D) am 
A) fdm 
B) fm 
C) tdm 
D) am

Question 6

__________ communications mode means that it can both transmit and receive, but only one action at a time.

Accepted Answer

A) radio 
B) multiplexing 
C) full duplex 
D) half duplex 
A) radio 
B) multiplexing 
C) full duplex 
D) half duplex

Question 7

What type of interference is emitted by nearby electrical motors, appliances, or faulty connections?

Accepted Answer

A) snr 
B) rfi 
C) crosstalk 
D) emi 
A) snr 
B) rfi 
C) crosstalk 
D) emi

Question 8

The __________ is designed to radiate the aura of the electromagnetic field created by the electric current.

Accepted Answer

A) intensity 
B) antenna 
C) radio 
D) phase 
A) intensity 
B) antenna 
C) radio 
D) phase

Question 9

The S-MAC protocol includes following major component

Accepted Answer

A) periodic listen and sleep 
B) collision avoidance 
C) message passing 
D) all of above 
A) periodic listen and sleep 
B) collision avoidance 
C) message passing 
D) all of above

Question 10

Which of these is not true for Time-Division Duplex (TDD)?

Accepted Answer

A) tdd uses different time slots for transmission and reception paths 
B) single radio frequency can be used 
C) it increases the battery life of mobile phones 
D) a duplexer is required 
A) tdd uses different time slots for transmission and reception paths 
B) single radio frequency can be used 
C) it increases the battery life of mobile phones 
D) a duplexer is required

Question 11

The main goal of the ___________is to reduce energy waste caused by idle listening, collisions, overhearing and control overhead

Accepted Answer

A) s-mac protocol 
B) iEEE 802.15.4 standard 
C) both 
D) iEEE 802.15.3 standard 
A) s-mac protocol 
B) iEEE 802.15.4 standard 
C) both 
D) iEEE 802.15.3 standard

Question 12

What signal transmission method intersperses message segments from multiple sessions into a single medium?

Accepted Answer

A) dsss 
B) multiplexing 
C) modulation 
D) fhss 
A) dsss 
B) multiplexing 
C) modulation 
D) fhss

Question 13

Which of the following is a type of wireless network interference that can originate from a nearby radio wave transmitter?

Accepted Answer

A) snr 
B) rfi 
C) emi 
D) crosstalk 
A) snr 
B) rfi 
C) emi 
D) crosstalk

Question 14

select the incorrect statement

Accepted Answer

A) networking allows geographical distribution of the sensor nodes and their placement close to signal sources 
B) radio communication is the most expensive operation a node performs in terms of energy usage 
C) sensor networks are typically deployed in structured manner 
D) wireless communication between nodes utilizes radio links 
A) networking allows geographical distribution of the sensor nodes and their placement close to signal sources 
B) radio communication is the most expensive operation a node performs in terms of energy usage 
C) sensor networks are typically deployed in structured manner 
D) wireless communication between nodes utilizes radio links

Question 15

The general rule of __________ is the inverse-square law, which measures an electromagnetic wave's strength relative to the distance over which it is transmitted.

Accepted Answer

A) intensity 
B) frequency 
C) amplitude 
D) propagation 
A) intensity 
B) frequency 
C) amplitude 
D) propagation

Question 16

The S-MAC protocol includes following major component

Accepted Answer

A) periodic listen and sleep 
B) message passing 
C) a and b both 
D) none of above 
A) periodic listen and sleep 
B) message passing 
C) a and b both 
D) none of above

Question 17

The radio communication spectrum is divided into bands based on ______.

Accepted Answer

A) frequency 
B) cost and hardware 
C) transmission media 
D) amplitude 
A) frequency 
B) cost and hardware 
C) transmission media 
D) amplitude

Question 18

What is the term used to describe the height of a radio wave?

Accepted Answer

A) frequency 
B) amplitude 
C) wavelength 
D) modulation 
A) frequency 
B) amplitude 
C) wavelength 
D) modulation

Question 19

Densor sensor field---------- the odds of detecting a signal source within the range

Accepted Answer

A) increases 
B) decreases 
C) not affect 
D) independent of 
A) increases 
B) decreases 
C) not affect 
D) independent of

Question 20

What is the networking device used to forward packets on a packet-switching network?

Accepted Answer

A) hub 
B) lan switch 
C) nap 
D) router 
A) hub 
B) lan switch 
C) nap 
D) router

select the incorrect statement

What is the measurement used to indicate the amount of interference to a particular location?

Within the coverage range, nodes communication is by__________

Following characteristics of wireless sensor networks point to the need for a specialized MAC protocol

Which of the RF multiplexing methods uses times slices to carry multiple data streams on a single carrier?

__________ communications mode means that it can both transmit and receive, but only one action at a time.

What type of interference is emitted by nearby electrical motors, appliances, or faulty connections?

The __________ is designed to radiate the aura of the electromagnetic field created by the electric current.

The S-MAC protocol includes following major component

Which of these is not true for Time-Division Duplex (TDD)?

The main goal of the ___________is to reduce energy waste caused by idle listening, collisions, overhearing and control overhead

What signal transmission method intersperses message segments from multiple sessions into a single medium?

Which of the following is a type of wireless network interference that can originate from a nearby radio wave transmitter?

select the incorrect statement

The general rule of __________ is the inverse-square law, which measures an electromagnetic wave's strength relative to the distance over which it is transmitted.

The S-MAC protocol includes following major component

The radio communication spectrum is divided into bands based on ______.

What is the term used to describe the height of a radio wave?

Densor sensor field---------- the odds of detecting a signal source within the range

What is the networking device used to forward packets on a packet-switching network?

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

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

Localization and Tracking Methods in Wireless Sensor Networks

Range-Free Localization Techniques and Node Network Terminology

Filters

Exam 7: Wireless Networking and Radio Communication

select the incorrect statement

What is the measurement used to indicate the amount of interference to a particular location?

Within the coverage range, nodes communication is by__________

Following characteristics of wireless sensor networks point to the need for a specialized MAC protocol

Which of the RF multiplexing methods uses times slices to carry multiple data streams on a single carrier?

__________ communications mode means that it can both transmit and receive, but only one action at a time.

What type of interference is emitted by nearby electrical motors, appliances, or faulty connections?

The __________ is designed to radiate the aura of the electromagnetic field created by the electric current.

The S-MAC protocol includes following major component

Which of these is not true for Time-Division Duplex (TDD)?

The main goal of the ___________is to reduce energy waste caused by idle listening, collisions, overhearing and control overhead

What signal transmission method intersperses message segments from multiple sessions into a single medium?

Which of the following is a type of wireless network interference that can originate from a nearby radio wave transmitter?

select the incorrect statement

The general rule of __________ is the inverse-square law, which measures an electromagnetic wave's strength relative to the distance over which it is transmitted.

The S-MAC protocol includes following major component

The radio communication spectrum is divided into bands based on ______.

What is the term used to describe the height of a radio wave?

Densor sensor field---------- the odds of detecting a signal source within the range

What is the networking device used to forward packets on a packet-switching network?

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

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

Localization and Tracking Methods in Wireless Sensor Networks

Range-Free Localization Techniques and Node Network Terminology

Filters