However, laptops are not allowed. Despite the open problems in WSNs, there are already a high number of applications available. 5>Information collected by and transmitted on a sensor network describes conditions of physical The bit rate is 100Mbps. 1. _____ is the core of WSN which collects data from sensors. It uses radio waves to … Looks like you’ve clipped this slide to already. These Multiple Choice Questions (MCQs) on Wireless communication will prepare you for technical round of job interview, written test and many certification exams. 1 19>Because of the unique attenuation characteristics of RF signals, _____network provides a 6>___________routes user queries or commands to appropriate nodes in a sensor network 7>Communicating 1 bit over the wireless medium at short ranges consumes ___________energy capabilities, and limited energy supply and bandwidth Vijay K. Garg, in Wireless Communications & Networking, 2007. either high-level system tasks which may include sensing, communication, processing and resource allocation or application, tasks which may include detection, classification , localization or, measurements or lack of knowledge in models, services such as time synchronization and node localization that, enable applications to discover properties of a node and the nodes, to organize themselves into a useful network, resources include sensors, communication links, processors , on-, phenomenon or a sensor node from a set of measurements. 20.2 Wireless Sensor Network. In R13 and R15,8-units of R09 syllabus are Note:- These notes are according to the R09 Syllabus book of JNTU.In R13 and R15, 8-units of R09 syllabus are combined into 5-units in R13 and R15 syllabus. What prot ocol allows multi ple APs to connect with many. Long-range wireless sensor networks with transmit-only nodes C. Huebner et al. 1>MEMS stands for__________ Wireless Sensor Network (WSN) is an infrastructure-less wireless network that is deployed in a large number of wireless sensors in an ad-hoc manner that is used to monitor the system, physical or environmental conditions. a: limited hardware See our Privacy Policy and User Agreement for details. (10%) Question 1. Ans: ___________ (a/b/c/all) Limited support for The section contains questions on wireless and fixed telephone networks, wireless networks development and traffic routing, wireless data services, integrated services digital network, signalling system no. a. MSC b. Roamer c. Hand off d. Forward channel. address/physical properties) A wireless sensor network contains a large number of tiny sensor nodes that are densely deployed either inside the phenomenon to be sensed or very close to it. 250+ Wireless Sensor Networks Interview Questions and Answers, Question1: What is a wireless sensor network? Question 1. than processing that bit (less/more) Question3: What WSN products are available from NI? You can bring any hard copies of notes and calculators. video or still cameras, infrared, seismic or magnetic sensors (true/false)__________ 1. 4>Each node is equipped with one or more sensing devices such as acoustic microphone arrays, video or still cameras, infrared, seismic or magnetic sensors (true/false)__________, 5>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 (true/false)__________, 6>___________routes user queries or commands to appropriate nodes in a sensor network, 7>Communicating 1 bit over the wireless medium at short ranges consumes ___________energy, 8>For the Sensoria sensors and Berkeley motes, the ratio of energy consumption for communication, and computation is in the range of _____to______ (100/1000/10000), 9>A sensor network is designed to collect information from a___________ environment, 11>It is more appropriate to address nodes in a sensor network by_____ than by______ (IP, 12>Mobility and instability in wireless links prevent the use of many existing edge network gateway, protocols for internetworking IP and sensor networks (true/false)__________, 13>The challenges we face in designing sensor network systems and applications include, c: limited support for software development, involve dynamic collaboration among nodes, and must handle, each node has limited processing, storage and communication, capabilities, and limited energy supply and bandwidth, the network is peer-to-peer , with a mesh topology and, dynamic, mobile and unreliable connectivity, 15>Following are advantages of sensor network, 16>Dense networks of distributed communicating sensors can improve SNR by reducing average, distances from sensor to source of signal or target (true/false)__________, 17>The greatest advantage of networked sensing are in improved___________, 18>A___________ sensing system is inherently more robust against individual sensor node or link, failures, because of redundancy in the network (centralized/decentralized), 19>Because of the unique attenuation characteristics of RF signals, _____network provides a, significant energy saving over ______network for the same distance (single hop/multi hop), 20>The RF attenuation model near the ground is given by, 21>In above expression, alpha is typically in the range of__to___ (2/3/4/5), 22>The power advantage of an N-hop transmission versus a single hop transmission over the same, 23>In above expression, ___________N gives a larger power saving due to the consideration of RF, 25>Each sensor has a finite sensing range, determined by the___________ floor of the sensor, 26>Densor sensor field improves the odds of detecting a signal source within the range, 27>Once a signal source is inside the sensing range of a sensor, further increasing the sensor, density ___________the average distance from a sensor to the signal source, hence improving the, 28>wrt the acoustic sensing case in a two-dimensional plane, the acoustic power received at a, 29>Wrt acoustic sensing case in a two-dimensional plane, the SNR is given by, 30>The SNR advantage of the denser sensor network is given by, 31>An increase in sensor density by a factor of k improves the SNR at a sensor by ___________db, 32>A sensor network is designed to perform a set of high level information processing tasks such as, 33>Following are sample commercial and military applications include, 35>If every sensor has some data that it needs to send to another node in a network, then per node, throughput scales as___________{sqrt(N) or 1/sqrt (N)}, 36>As the number of nodes___________, every node spends almost all of its time forwarding, packets of other nodes (decreases/increases), 38>___________refers to signal and information processing problems dominated by the issue of, selecting embedded sensors to participate in an information processing task (CSIP/CCIP), 39>___________is an interdisciplinary research area that draws on contributions from signal, processing, networking and protocols, databases and information management, distributed, algorithms, and embedded systems and architecture (wireless networks/sensor networks), approaches that name, route or access a piece of data via, properties that are external to a communication network, a connectivity graph where nodes are sensor nodes and edges are. BI Aydin, YS Yilmaz, Y Li, Q Li, J Gao, M Demirbas. D. All above. Absolutely no discussions in exam. Randomly Deployed Wireless Sensor Networks offers a probabilistic method to model and analyze these networks. ANSWER: Mobile Identification Number. The physical boundary of Network B. Collection of hardware components and computers B. Interconnected by communication channels C. Sharing of resources and information D. All of the Above. 17>The greatest advantage of networked sensing are in improved___________ VTU 1ST SEM PROGRAMMING IN C & DATA STRUCTURES SOLVED PAPERS OF JUNE-2015 & ... VTU 6TH SEM CSE COMPUTER NETWORKS 2 SOLVED PAPERS OF JUNE-2013 JUNE-14 & JUNE... VTU 4TH SEM CSE COMPUTER ORGANIZATION SOLVED PAPERS OF JUNE-2013 JUNE-2014 & ... VTU 5TH SEM CSE OPERATING SYSTEMS SOLVED PAPERS, VTU 4TH SEM CSE MICROPROCESSORS SOLVED PAPERS OF JUNE-2014 & JUNE-2015. The test contains 11 questions and there is no time limit. B. 16>Dense networks of distributed communicating sensors can improve SNR by reducing average ... Crowdsourcing for Multiple-Choice Question Answering. ... Current routing protocols for wireless sensor networks do not consider security. All the Multiple Choice Question and Answer (MCQs) have been compiled from the books of Data Communication and Networking by the well known author behrouz A forouzan. 802.11n: Adds multiple inputs multiple outputs (MUMO). MULTIPLE CHOICE QUESTIONS WITH ANSWERS ON NETWORK MANAGEMENT SYSTEMS, VTU 8TH SEM CSE ADHOC NETWORKS SOLVED PAPERS OF JUNE-2014 DEC-14 & JUNE-2015. Sensor nodes consist of sensing, data processing, and communicating components. This set of Computer Networks Multiple Choice Questions & Answers (MCQs) focuses on “Wireless LAN”. What is a Firewall in Computer Network? 2. TESBYSR Note:- These notes are according to the R09 Syllabus book of JNTU. Slideshare uses cookies to improve functionality and performance, and to provide you with relevant advertising. Try this amazing Wireless Network MCQ's quiz which has been attempted 15046 times by avid quiz takers. Wireless sensor network (WSN) refers to a group of spatially dispersed and dedicated sensors for monitoring and recording the physical conditions of the environment and organizing the collected data at a central location.WSNs measure environmental conditions like temperature, sound, pollution levels, humidity, wind, and so on. Topics covered in Adhoc and Sensor Networks Pdf Notes a: finite on-board battery power The network is designed to take advantage of the unique properties of this VHF radio band for long-range sensor networks. 10>Table1.1___________ The research problem addressed in this paper is to design, implement and evaluate a sensor network utilis-ing 40-MHz radio transmitters. 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