Question 1

RF Transceiver draws more current in

Accepted Answer

A) sleep mode 
B) receive mode 
C) transmit mode 
D) search mode 
A) sleep mode 
B) receive mode 
C) transmit mode 
D) search mode

Question 2

select the correct statement

Accepted Answer

A) since the nodes operate independently, their clocks may not be synchronized with one another 
B) for time synchronization, the wired protocols assume the existence of highly accurate master clocks on some network nodes such as atomic clock 
C) a and b both 
D) neither a nor b 
A) since the nodes operate independently, their clocks may not be synchronized with one another 
B) for time synchronization, the wired protocols assume the existence of highly accurate master clocks on some network nodes such as atomic clock 
C) a and b both 
D) neither a nor b

Question 3

The Propagation time is

Accepted Answer

A) this is the time taken by the sender to construct the message 
B) this is the delay incurred while waiting for access to the transmission channel due to contention, collisions etc 
C) this is the time for message to travel across the channel to the destination node 
D) this is the time for the network interface on the receiver side to get the message and notify the host of its arrival 
A) this is the time taken by the sender to construct the message 
B) this is the delay incurred while waiting for access to the transmission channel due to contention, collisions etc 
C) this is the time for message to travel across the channel to the destination node 
D) this is the time for the network interface on the receiver side to get the message and notify the host of its arrival

Question 4

Receiving power additionally influenced by

Accepted Answer

A) fading (frequency dependent) & shadowing 
B) reflection & refraction depending on the density 
C) scattering & diffraction 
D) all of above 
A) fading (frequency dependent) & shadowing 
B) reflection & refraction depending on the density 
C) scattering & diffraction 
D) all of above

Question 5

In the S-MAC protocol, ___________is designed to reduce energy consumption during the long idle time when no sensing events happen, by turning off the radio periodically

Accepted Answer

A) periodic listen only 
B) periodic listen and sleep 
C) message passing 
D) periodic sleep only 
A) periodic listen only 
B) periodic listen and sleep 
C) message passing 
D) periodic sleep only

RF Transceiver draws more current in

select the correct statement

The Propagation time is

Receiving power additionally influenced by

In the S-MAC protocol, ___________is designed to reduce energy consumption during the long idle time when no sensing events happen, by turning off the radio periodically

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

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 8: Understanding Energy Optimization and Latency in Sensor Networks

RF Transceiver draws more current in

select the correct statement

The Propagation time is

Receiving power additionally influenced by

In the S-MAC protocol, ___________is designed to reduce energy consumption during the long idle time when no sensing events happen, by turning off the radio periodically

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

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