On This Page

This set of Wireless Sensor Networks (WSN) Multiple Choice Questions & Answers (MCQs) focuses on Wireless Sensor Networks Wsn Set 1

Q1 | sensor network is subject to a unique set of resource constraints such as
  • finite on-board battery power
  • limited network communication bandwidth
  • a and b both
  • non of the above
Q2 | 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
  • true
  • false
  • partially correct as memory is large
  • partially correct as sensor node does not have microprocessor
Q3 | 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
  • partially correct as node support users level functions
  • partially correct as node does not have sensors
  • completetly coeerct
  • incorreect
Q4 | The challenges we face in designing sensor network systems and applications include
  • limited hardware
  • limited support for networking
  • limited support for software development
  • all of the above
Q5 | The size of wireless sensor system is limited mostly by
  • the cost of maintaining communication links
  • the cost of sensor hardware
  • environmental monitoring
  • a and b
Q6 | Following are application areas of wireless sensor network
  • asset and warehouse management
  • automotive
  • building monitoring and control
  • all of above
Q7 | Sensors can be used
  • to monitor conditions and movements of wild animals or plants in wildlife habitats
  • to monitor air quality and track environmental pollutants, wildfires or other natural or man-made disasters
  • to monitor biological or chemical hazards to provide early warnings
  • all of above
Q8 | ___________framework allows an application developer to write code for a sensor network signal processing and tracking application using a state-centric model of programming
  • tossim
  • pieces
  • contiki
  • mantis
Q9 | They can even use other services such as location tracking using the __.
  • gps
  • vps
  • gprs
  • gsm
Q10 | Wireless networks are computer networks that use radio frequency channels as their __ for communication.
  • physical medium
  • medium access control
  • tdma
  • cdma
Q11 | Which of the following is a collection of many separate networks?
  • lan
  • man
  • wan
  • pan
Q12 | The portion of the electromagnetic spectrum occupied by a signal is called ________
  • signal spectrum
  • bandwidth
  • frequency width
  • signal strength
Q13 | What is the term used to describe the ability for networking devices from different manufacturers to communicate effectively?
  • accessible
  • interoperable
  • portable
  • scalable
Q14 | 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?
  • scalability
  • portability
  • interoperability
  • accessibility
Q15 | What WLAN device provides communications management services to wireless workstations?
  • access point
  • antenna
  • network adaptor
  • repeater
Q16 | A wireless extension to a wired network can eliminate the need for new __________ to be installed.
  • cables
  • access point
  • router
  • bridges
Q17 | Which one of the following is not a consideration when deciding between a WLAN and a wired LAN beyond the network medium?
  • scalability
  • ease of installation
  • flexibility
  • rf interferences
Q18 | A wireless network provides immediate connection anywhere in the wireless range of its __________.
  • bridges
  • access points
  • gateways
  • routers
Q19 | The __________ of a network refers to the network's capability to change as needed to meet the expanding needs of an organization or home.
  • scalability
  • interoperability
  • portability
  • flexibility
Q20 | Standards-based systems provide the assurance that all equipment manufactured to the same standard will be __________.
  • portable
  • scalable
  • interoperable
  • flexible
Q21 | In a software world, __________ refers to the capability of a software program to run on different operating systems or hardware models.
  • scalability
  • portability
  • flexibility
  • interoperability
Q22 | GPS is an acronym for Global __________ System.
  • portability
  • policing
  • political
  • positioning