Deck 1: Exploring the Challenges and Applications of Sensor Networks

Question 1

sensor network is subject to a unique set of resource constraints such as

A)finite on-board battery power
B)limited network communication bandwidth
C)a and b both
D)non of the above

Answer 1

a and b both

Question 2

In a typical sensor network, each sensor node operates unethered and has a microprocessor and a small amount of memory for signal processing and task scheduling

A)true
B)false
C)partially correct as memory is large
D)partially correct as sensor node does not have microprocessor

Answer 2

true

Question 3

Information collected by and transmitted on a sensor network describes conditions of physical environments and requires advanced query interfaces and search engines to effectively support user-level functions

A)partially correct as node support users level functions
B)partially correct as node does not have sensors
C)completetly coeerct
D)incorreect

Answer 3

completetly coeerct

Question 4

The challenges we face in designing sensor network systems and applications include

A)limited hardware
B)limited support for networking
C)limited support for software development
D)all of the above

Question 5

A___________ sensing system is inherently more robust against individual sensor node or link failures, because of redundancy in the network

A)centralized
B)decentralized
C)ad-hoc
D)multi hope

Question 6

A+B16:G26 sensor network is designed to perform a set of high level information processing tasks such as

A)detection
B)tracking
C)classification
D)all of above

Question 7

The size of wireless sensor system is limited mostly by

A)the cost of maintaining communication links
B)the cost of sensor hardware
C)environmental monitoring
D)a and b

Question 8

Following are application areas of wireless sensor network

A)asset and warehouse management
B)automotive
C)building monitoring and control
D)all of above

Question 9

Following are application areas of wireless sensor networks

A)health care
B)industrial process control
C)military battlefield awareness
D)all of above

Question 10

Sensors can be used

A)to monitor conditions and movements of wild animals or plants in wildlife habitats
B)to monitor air quality and track environmental pollutants, wildfires or other natural or man-made disasters
C)to monitor biological or chemical hazards to provide early warnings
D)all of above

Question 11

___________framework allows an application developer to write code for a sensor network signal processing and tracking application using a state-centric model of programming

A)tossim
B)pieces
C)contiki
D)mantis

Question 12

They can even use other services such as location tracking using the __.

A)gps
B)vps
C)gprs
D)gsm

Question 13

Wireless networks are computer networks that use radio frequency channels as their __ for communication.

A)physical medium
B)medium access control
C)tdma
D)cdma

Question 14

Which of the following is a collection of many separate networks?

A)lan
B)man
C)wan
D)pan

Question 15

The portion of the electromagnetic spectrum occupied by a signal is called ________

A)signal spectrum
B)bandwidth
C)frequency width
D)signal strength

Question 16

What is the term used to describe the ability for networking devices from different manufacturers to communicate effectively?

A)accessible
B)interoperable
C)portable
D)scalable

Question 17

What is the term used to describe the ability of a network technology to be easily resized to meet the growing or changing requirements of an organization?

A)scalability
B)portability
C)interoperability
D)accessibility

Question 18

What WLAN device provides communications management services to wireless workstations?

A)access point
B)antenna
C)network adaptor
D)repeater

Question 19

A wireless extension to a wired network can eliminate the need for new __________ to be installed.

A)cables
B)access point
C)router
D)bridges

Question 20

Which one of the following is not a consideration when deciding between a WLAN and a wired LAN beyond the network medium?

A)scalability
B)ease of installation
C)flexibility
D)rf interferences

Question 21

A wireless network provides immediate connection anywhere in the wireless range of its __________.

A)bridges
B)access points
C)gateways
D)routers

Question 22

The __________ of a network refers to the network's capability to change as needed to meet the expanding needs of an organization or home.

A)scalability
B)interoperability
C)portability
D)flexibility

Question 23

Standards-based systems provide the assurance that all equipment manufactured to the same standard will be __________.

A)portable
B)scalable
C)interoperable
D)flexible

Question 24

In a software world, __________ refers to the capability of a software program to run on different operating systems or hardware models.

A)scalability
B)portability
C)flexibility
D)interoperability

Question 25

GPS is an acronym for Global __________ System.

A)portability
B)policing
C)political
D)positioning