Wireless Sensor Networks Wsn Set 1
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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