IoT Question & AnswersJuly 6, 2021 By WatElectronics This article lists 100 IOT MCQs for engineering students. All the IoT Questions & Answers given below includes solution and link wherever possible to the relevant topic.IoT interconnects the different physical objects that we see around us. The different objects such as the lighting system in a room, lights, fans, air conditioners, refrigerators, micro Owens, so on. The each and everything that we see around us that we use at our homes, in businesses, in workplaces, everything being internetworked, so this is the whole vision of internetwork of things. 1). _____________ are the applications of IOTHouseVirtual environmentRegional officeAll of the aboveHintThe house, virtual environment, regional office, etc are the applications of IOT 2). ___________ are the main components in IOTLow power embedded systemsCloud computingAvailability of big data, networking connectionAll of the aboveHintThe low power embedded systems, cloud computing, availability of big data, networking connection are the main components in IOT 3). ___________ are the characteristics of IOTIntelligence, scalableSecurityHeterogeneityAll of the aboveHintThe intelligence, scalable, security, heterogeneity are the characteristics of IOT 4). The IPV4 developed in __________197419802000None of the aboveHintThe IPV4 developed in 1974 5). The IPV6 developed in __________199819802000None of the aboveHintThe IPV6 developed in 1998 6). The bit length of the IPV4 is _________8 bits16 bits32 bits128 bitsHintThe bit length of the IPV4 is 32 bits 7). The bit length of the IPV6 is _________8 bits16 bits32 bits128 bitsHintThe bit length of the IPV6 is 128 bits 8). The number of addresses in IPV4 is __________2^42^82^322^128HintThe number of addresses in IPV4 is 2^32 9). The number of addresses in IPV6 is __________2^42^82^322^128HintThe number of addresses in IPV6 is 2^128 10). The IPV4 has a ____________ notation for addressingDotted decimalsHexadecimalBoth a and bNone of the aboveHintThe IPV4 has a dotted decimal notation for addressing 11). The IPV6 has a ____________ notation for addressingDotted decimalsHexadecimalBoth a and bNone of the aboveHintThe IPV4 has a hexadecimal notation for addressing 12). The IPSec is optional in ______IPV4IPV6Both a and bNone of the aboveHintThe IPSec is optional in IPV4 13). The header size is fixed in __________IPV4IPV6Both a and bNone of the aboveHintThe header size is fixed in IPV6 14). The sensor classes are categorized into ___________ based on the outputOneTwoThreeFourHintThe sensor classes are categorized into two types based on the output they are analog and digital sensors 15). The sensor classes are categorized into ___________ based on the data typesOneTwoThreeFourHintThe sensor classes are categorized into two types based on the data types they are scalar and vector/multimedia sensors 16). The IPSec is compulsory in ______IPV4IPV6Both a and bNone of the aboveHintThe IPSec is compulsory in IPV6 17). ________ are the types of actuatorsHydraulic, pneumatic actuatorsElectrical, thermal actuatorsMechanical actuatorsAll of the aboveHintThe hydraulic, pneumatic, electrical, thermal, mechanical actuators are the types of actuators 18). The header size is variable in __________IPV4IPV6Both a and bNone of the aboveHintThe header size is variable in IPV4 19). The rack and pinion is an example of a ___________ actuatorHydraulic actuatorElectrical actuatorMechanical actuatorAll of the aboveHintThe rack and pinion is an example of a mechanical actuator 20). What is the standard form of MQTT?Message Queue Telemetry TransportMessage Queue Transport TelemetryMessage Queue Time TransportNone of the aboveHintThe standard form of MQTT is Message Queue Telemetry Transport 21). The MQTT protocol designed for ________Limited bandwidthRemote connectionSmall code footprintAll of the aboveHintThe MQTT protocol designed for limited bandwidth, remote connection, and small code footprint 22). ____________ are the components of the MQTT protocolSubscribersBrokersPublishersAll of the aboveHintThe subscribers, brokers, publishers are the components of the MQTT protocol 23). ________ are the MQTT methodsConnect, disconnectSubscribe, unsubscribePublishAll of the aboveHintThe connect, disconnect, subscribe, unsubscribe, publish are the MQTT methods 24). What is the standard form of SMQTT?Sequence Message Queue Telemetry TransportSecure Message Queue Telemetry TransportMessage Queue Transport TelemetryNone of the aboveHintThe standard form of SMQTT is Secure Message Queue Telemetry Transport 25). For routing _______ protocols are used in 6LOWPAN routingLOADng protocolRPL protocolBoth a and bNone of the aboveHintFor routing both LOADng and RPL protocols are used in 6LOWPAN routingIOT MCQs for Exams 26). What is the standard form of RREQs?Route RequestsRoute Reply RequestsRoute RepliesNone of the aboveHintThe standard form of RREQs is Route Requests 27). What is the standard form of RREPs?Route RequestsRoute Reply RequestsRoute RepliesNone of the aboveHintThe standard form of RREPs is Route Replies 28). What is the standard form of RERR?Route Error RequestsRoute Error RepliesRoute ErrorNone of the aboveHintThe standard form of RERR is Route Error 29). The RPL routing is used for _______ networksLow powerLossyBoth a and bNone of the aboveHintThe RPL routing is used for both low power and lossy networks 30). What is the standard form of LLN?Low Lossy NetworkLow Power Lossy NetworkLossy NetworkNone of the aboveHintThe standard form of LLN is Low Power Lossy Network 31). The RPL protocol supports ______Loop detectionData path validationBoth a and bNone of the aboveHintThe RPL protocol supports loop detection and data path validation 32). The optimization objectives of routing includes _________Minimizing the energyMinimizing the latencySatisfying the constraintsAll of the aboveHintThe optimization objectives of routing includes minimizing the energy and latency, and satisfying the constraints 33). The operations of the protocol requires __________ linksUnidirectionalBidirectionalEither uni-directional or bi-directionalNone of the aboveHintThe operations of the protocol require bi-directional links 34). What is the standard form of RFID?Radio Frequency IdentificationRadio Frequency-IndependentRadio Frequency-DependentNone of the aboveHintThe standard form of RFID is Radio Frequency Identification 35). The RFID tags consists of an _______AntennaIntegrated circuitBoth a and bNone of the aboveHintThe RFID tags consist of an antenna and also an integrated circuit 36). The Bluetooth technology operates in the ISM band at _________2.4 to 2.485 GHz1.4 to 2.485 GHz2.4 to 2.485 MHzNone of the aboveHintThe Bluetooth technology operates in the ISM band at 2.4 to 2.485 GHz 37). For version 1.2, the Bluetooth supports _______1 Mbps data rate2 Mbps data rate3 Mbps data rate4 Mbps data rateHintFor version 1.2, the Bluetooth supports a 1 Mbps data rate 38). The Z-waves uses radiofrequency for _______ControlSignallingBoth a and bNone of the aboveHintThe Z-waves uses radiofrequency for control and signaling 39). The operating frequency of Z-wave in the US is ____108.42 MHz408.42 MHz608.42 MHz908.42 MHzHintThe operating frequency of Z-wave in the US is 908.42 MHz 40). The operating frequency of Z-wave in Europe is ____108.42 MHz868.42 MHz608.42 MHz908.42 MHzHintThe operating frequency of Z-wave in Europe is 868.42 MHz 41). The Z-wave utilizes _________Manchester channel encodingGSFK modulationBoth a and bNone of the aboveHintThe Z-wave utilizes both manchester channel encoding and GSFK modulation 42). In RFID tags, the tags are _______ActivePassiveActive or passiveNone of the aboveHintIn RFID tags, the tags are active or passive 43). The RFID tags used in _________Asset trackingID badgingPersonnel trackingAll of the aboveHintThe RFID tags used in asset tracking, ID badging, personnel tracking, etc 44). What is the standard form of HART?Highway Addressable Remote TransducerHighway Addressable Remote TransformerHighway Addressable Routing TransducerNone of the aboveHintThe standard form of HART is Highway Addressable Remote Transducer 45). The HART protocol operates only in ___________ band1.7 GHz ISM1 GHz ISM2 GHz ISM2.4 GHz ISMHintThe HART protocol operates only in the 2.4 GHz ISM band 46). The communication range in NFC is __________<20cms>20cms>40cms>60cmsHintThe communication range in NFC is less than 20 cms 47). The data transmission frequency is _______ in NFC’s1 GHz10 GHz12.56 GHz13.56 MHzHintThe data transmission frequency is 13.56 MHz in NFC’s 48). The NFC transmits data at a rate of ____________212 Kbps106 Kbps424 KbpsEither 212, 1106, 424 KbpsHintThe NFC transmits data at a rate of either 212, 1106, 424 Kbps 49). The NFC tags stores between __________ of data10 and 20 bytes50 and 100 bytes96 and 512 bytesNone of the aboveHintThe NFC tags stores between 96 and 512 bytes of data 50). ___________ are the modes of operation of NFCPeer to peerRead/writeCard emulationAll of the aboveHintThe peer to peer, read/write, card emulation are the modes of operation of NFCIOT MCQs with Hints 51). The NFC used in _____________Parcel trackingLow power home automationSmart phone-based paymentsAll of the aboveHintThe NFC used in parcel tracking, low power home automation, smart phone-based payments, etc 52). The operating frequency of Z-wave in India is ________20MHz80MHz865.2MHzNone of the aboveHintThe operating frequency of Z-wave in India is 865.2MHz 53). What is the standard form of GFSK?Gaussian Frequency Shift KeyingGain Frequency Shift KeyingGaussian Filter Shift KeyingNone of the aboveHintThe standard form of GFSK is Gaussian Frequency Shift Keying 54). The data link layer in ISA 100.11A protocol supports _________Frequency hoppingMesh routingBoth a and bNone of the aboveHintThe data link layer in ISA 100.11A protocol supports both frequency hopping and mesh routing 55). The transport and network layers in ISA 100.11A protocol are based on ____________UDP/IPV6TCPUDP/IPV6 or TCPNone of the aboveHintThe transport and network layers in ISA 100.11A protocol are based on UDP/IPV6 or TCP 56). The topologies that are used for implementing ISA 100.11A standard is ________Star/treeMeshBoth a and bNone of the aboveHintThe topologies that are used for implementing ISA 100.11A standard is star/tree and mesh topologies 57). The features of ISA 100.11A protocol include ________FlexibilitySupport for multiple protocolsUse of open standardsAll of the aboveHintThe features of ISA 100.11A protocol include flexibility, support for multiple protocols, and use of open standards 58). What is the standard form of WSNs?Wireless Sensor NetworksWired Sensor NetworksWireless Simple NetworksNone of the aboveHintThe standard form of WSNs is Wireless Sensor Networks 59). The WSN require _____________ unitSensing unitProcessing unitommunication unitAll of the aboveHintThe WSN require sensing, processing, and communication units 60). The sensor nodes are _________Typically small in sizeConsumes less powerCost is lowAll of the aboveHintThe sensor nodes are typically small in size, consumes less power, and cost is low 61). __________ are the few examples of sensor nodesSoil sensor nodesTemperature sensor nodesWeather sensor nodesAll of the aboveHintThe soil, temperature, weather sensor nodes, etc are the few examples of sensor nodes 62). _________ are the machine to machine communication applicationsEnvironment monitoringCivil protection and public safetySupply chain managementAll of the aboveHintEnvironment monitoring, civil protection, and public safety, supply chain management, etc are the machine to machine communication applications 63). The M2M nodes are of _______ typesOneTwoThreeFourHintThe M2M nodes are of three types they are low-end, mid-end, and high-end nodes 64). The low-end sensor nodes are ___________CheapStaticSimple and energy efficientAll of the aboveHintThe low-end sensor nodes are cheap, static, simple, and energy-efficient 65). The mid-end sensor nodes are ____________CheapMore expensiveNodes may have mobilityBoth b and cHintThe mid-end sensor nodes are more expensive and nodes may have mobility Read more about Sensors 66). ________ are the components of the M2M ecosystemDevice providers, ISPsPlatform and service providersService usersAll of the aboveHintThe device providers, ISPs, platform and service providers, service users are the components of the M2M ecosystem 67). The antenna in single UAV system is ______________OmnidirectionaldirectionalBidirectionalNone of the aboveHintThe antenna in single UAV system is omnidirectional 68). The antenna in multi UAV system is ______________OmnidirectionaldirectionalBidirectionalNone of the aboveHintThe antenna in multi UAV system is directional 69). The scalability is limited in __________ systemSingle UAVMulti UAVBoth a and bNone of the aboveHintThe scalability is limited in a single UAV system 70). The scalability is high in __________ systemSingle UAVMulti UAVBoth a and bNone of the aboveHintThe scalability is high in multi UAV system 71). The survivability is poor in ______ systemSingle UAVMulti UAVBoth a and bNone of the aboveHintThe survivability is poor in a single UAV system 72). ____________ system cost is mediumSingle UAVMulti UAVBoth a and bNone of the aboveHintThe single UAV system cost is medium 73). The bandwidth required is high in _________ systemSingle UAVMulti UAVBoth a and bNone of the aboveHintThe bandwidth required is high in a single UAV system 74). _________ are the UAV network constraintsFrequency link breakagesProne to malfunctionBoth a and bNone of the aboveHintThe frequency link breakages, prone to malfunction are the UAV network constraints 75). _________ are the advantages of UAV networkHighly reliableSurvivability is highCost-effectiveAll of the aboveHintThe UAV networks are highly reliable, survivability is high and cost-effectiveIOT MCQs for Quiz 76). The star topology in the UAV network is categorized into __________ typesOneTwoThreeFourHintThe star topology in the UAV network is categorized into two types they are star configuration and multi-star configuration 77).The mesh topology in the UAV network is categorized into __________ typesOneTwoThreeFourHintThe mesh topology in the UAV network is categorized into two types they are flat mesh network and hierarchical mesh network 78). The mesh topology in the UAV network are _______More secureReliableFlexibleAll of the aboveHintThe mesh topology in the UAV network is more secure, reliable, and flexible 79). The star topology in a UAV network is _______Point to point communicationMulti-point communicationBoth a and bNone of the aboveHintThe star topology in a UAV network is the point to point communication 80). What is the standard form of FANET?Flying Ad Hoc NetworkFlying Add NetworkFlying Hoc NetworkNone of the aboveHintThe standard form of FANET is Flying Ad Hoc Network 81). What is the standard form of MANET?Mobile Ad Hoc NetworkMain Ad Hoc NetworkMan Ad Hoc NetworkNone of the aboveHintThe standard form of MANET is Mobile Ad Hoc Network 82). ________ are the components of MWSNMobile sensor nodesData mules, mobile sinkBoth a and bNone of the aboveHintThe mobile sensor nodes, data mules, mobile sink are the components of MWSN 83). ____________ is an application of underwater MWSNsMonitoring marine lifeWildlife monitoringSurveillanceAll of the aboveHintThe monitoring marine life is an application of underwater MWSNs 84). ____________ is an application of terrestrial MWSNsMonitoring marine lifeWildlife monitoringWater qualityAll of the aboveHintWildlife monitoring is an application of terrestrial MWSNs 85). ____________ is an application of aerial MWSNsMultimedia data gatheringWildlife monitoringWater qualityAll of the aboveHintThe multimedia data gathering is an application of aerial MWSNs 86). _________ are the challenges in human-centric sensingPrivacy of usersParticipant selectionEnergy of devicesAll of the aboveHintThe privacy of users, participant selection, the energy of devices are the challenges in human-centric sensing 87). What is the standard form of a UAV network?Unmanned Aerial VehiclesUnmanned Automatic VehiclesUnmanned Non-automatic VehiclesNone of the aboveHintThe standard form of a UAV is Unmanned Aerial Vehicles 88). The computational capabilities are limited in _______IOTCloud computingBoth a and bNone of the aboveHintThe computational capabilities are limited in IOT 89). The storage is limited in _________IOTCloud computingBoth a and bNone of the aboveHintThe storage is limited in IOT 90). The IOT is a ___________ based technologySoftwareHardwareBoth a and bNone of the aboveHintThe IOT is both software and hardware-based technology 91). The M2M is a ___________ based technologySoftwareHardwareBoth a and bNone of the aboveHintThe M2M is a hardware-based technology 92). In M2M the communication type is ________Point to pointMultipointBoth a and bNone of the aboveHintIn M2M the communication type is a point to point 93). The M2M is __________ scalable than IOTHighlyLessVery highNone of the aboveHintThe M2M is less scalable than IOT 94). Which one is an example for M2M?Remote monitoringSmart citiesSmart agricultureAll of the aboveHintRemote monitoring is an example for M2M 95). Which one is an example for IOT?Remote monitoringSmart citiesFleet controlAll of the aboveHintThe smart cities is an example of IOT 96). In M2M, the business type is ___________B2BB2CBoth a and bNone of the aboveHintIn M2M, the business type is B2B 97). In IOT, the business type is ___________B2BB2CBoth a and bNone of the aboveHintIn IOT, the business type is B2B and B2C 98). The technology integration is _______in M2MVerticalHorizontalParallelNone of the aboveHintThe technology integration is vertical in M2M 99). What is the standard form of SDP?Service Discovery ProtocolService Deficient ProtocolService Domain ProtocolNone of the aboveHintThe standard form of SDP is Service Discovery Protocol 100). What is the standard form of L2CAP?Logical Link Control ad AdaptionLink Control ad AdaptionLink Logical Control ad AdaptionNone of the aboveHintThe standard form of L2CAP is Logical Link Control ad Adaption Time is Up! Time's up
