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IoT Question & Answers

July 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.

The IOT is both software and hardware-based technology and the example for the IOT is smart cities. The low power embedded systems, cloud computing, availability of big data, networking connection are the main components in IOT.

The house, virtual environment, regional office, transportation, medical & health care, smart energy & utilities, smart agriculture & manufacturing, etc are the applications of IOT. The benefits of IOT are they are efficient in using things at home & in industries, saving time, saving money & energy.

Some of the drawbacks of an IOT are security & privacy issues, lack of technical knowledge, internet & power connectivity dependence, time-consuming & expensive to implement. The intelligence, scalable, security, heterogeneity are the characteristics of IOT.

1). _____________ are the applications of IOT
HintThe house, virtual environment, regional office, etc are the applications of IOT
2). ___________ are the main components in IOT
HintThe low power embedded systems, cloud computing, availability of big data, networking connection are the main components in IOT
3). ___________ are the characteristics of IOT
HintThe intelligence, scalable, security, heterogeneity are the characteristics of IOT
4). The IPV4 developed in __________
HintThe IPV4 developed in 1974
5). The IPV6 developed in __________
HintThe IPV6 developed in 1998
6). The bit length of the IPV4 is _________
HintThe bit length of the IPV4 is 32 bits
7). The bit length of the IPV6 is _________
HintThe bit length of the IPV6 is 128 bits
8). The number of addresses in IPV4 is __________
HintThe number of addresses in IPV4 is 2^32
9). The number of addresses in IPV6 is __________
HintThe number of addresses in IPV6 is 2^128
10). The IPV4 has a ____________ notation for addressing
HintThe IPV4 has a dotted decimal notation for addressing
11). The IPV6 has a ____________ notation for addressing
HintThe IPV4 has a hexadecimal notation for addressing
12). The IPSec is optional in ______
HintThe IPSec is optional in IPV4
13). The header size is fixed in __________
HintThe header size is fixed in IPV6
14). The sensor classes are categorized into ___________ based on the output
HintThe 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 types
HintThe 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 ______
HintThe IPSec is compulsory in IPV6
17). ________ are the types of actuators
HintThe hydraulic, pneumatic, electrical, thermal, mechanical actuators are the types of actuators
18). The header size is variable in __________
HintThe header size is variable in IPV4
19). The rack and pinion is an example of a ___________ actuator
HintThe rack and pinion is an example of a mechanical actuator
20). What is the standard form of MQTT?
HintThe standard form of MQTT is Message Queue Telemetry Transport
21). The MQTT protocol designed for ________
HintThe MQTT protocol designed for limited bandwidth, remote connection, and small code footprint
22). ____________ are the components of the MQTT protocol
HintThe subscribers, brokers, publishers are the components of the MQTT protocol
23). ________ are the MQTT methods
HintThe connect, disconnect, subscribe, unsubscribe, publish are the MQTT methods
24). What is the standard form of SMQTT?
HintThe standard form of SMQTT is Secure Message Queue Telemetry Transport
25). For routing _______ protocols are used in 6LOWPAN routing
HintFor routing both LOADng and RPL protocols are used in 6LOWPAN routing

IOT MCQs for Exams

26). What is the standard form of RREQs?
HintThe standard form of RREQs is Route Requests
27). What is the standard form of RREPs?
HintThe standard form of RREPs is Route Replies
28). What is the standard form of RERR?
HintThe standard form of RERR is Route Error
29). The RPL routing is used for _______ networks
HintThe RPL routing is used for both low power and lossy networks
30). What is the standard form of LLN?
HintThe standard form of LLN is Low Power Lossy Network
31). The RPL protocol supports ______
HintThe RPL protocol supports loop detection and data path validation
32). The optimization objectives of routing includes _________
HintThe optimization objectives of routing includes minimizing the energy and latency, and satisfying the constraints
33). The operations of the protocol requires __________ links
HintThe operations of the protocol require bi-directional links
34). What is the standard form of RFID?
HintThe standard form of RFID is Radio Frequency Identification
35). The RFID tags consists of an _______
HintThe RFID tags consist of an antenna and also an integrated circuit
36). The Bluetooth technology operates in the ISM band at _________
HintThe Bluetooth technology operates in the ISM band at 2.4 to 2.485 GHz
37). For version 1.2, the Bluetooth supports _______
HintFor version 1.2, the Bluetooth supports a 1 Mbps data rate
38). The Z-waves uses radiofrequency for _______
HintThe Z-waves uses radiofrequency for control and signaling
39). The operating frequency of Z-wave in the US is ____
HintThe operating frequency of Z-wave in the US is 908.42 MHz
40). The operating frequency of Z-wave in Europe is ____
HintThe operating frequency of Z-wave in Europe is 868.42 MHz
41). The Z-wave utilizes _________
HintThe Z-wave utilizes both manchester channel encoding and GSFK modulation
42). In RFID tags, the tags are _______
HintIn RFID tags, the tags are active or passive
43). The RFID tags used in _________
HintThe RFID tags used in asset tracking, ID badging, personnel tracking, etc
44). What is the standard form of HART?
HintThe standard form of HART is Highway Addressable Remote Transducer
45). The HART protocol operates only in ___________ band
HintThe HART protocol operates only in the 2.4 GHz ISM band
46). The communication range in NFC is __________
HintThe communication range in NFC is less than 20 cms
47). The data transmission frequency is _______ in NFC’s
HintThe data transmission frequency is 13.56 MHz in NFC’s
48). The NFC transmits data at a rate of ____________
HintThe NFC transmits data at a rate of either 212, 1106, 424 Kbps
49). The NFC tags stores between __________ of data
HintThe NFC tags stores between 96 and 512 bytes of data
50). ___________ are the modes of operation of NFC
HintThe peer to peer, read/write, card emulation are the modes of operation of NFC

IOT MCQs with Hints

51). The NFC used in _____________
HintThe NFC used in parcel tracking, low power home automation, smart phone-based payments, etc
52). The operating frequency of Z-wave in India is ________
HintThe operating frequency of Z-wave in India is 865.2MHz
53). What is the standard form of GFSK?
HintThe standard form of GFSK is Gaussian Frequency Shift Keying
54). The data link layer in ISA 100.11A protocol supports _________
HintThe 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 ____________
HintThe 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 ________
HintThe 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 ________
HintThe 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?
HintThe standard form of WSNs is Wireless Sensor Networks
59). The WSN require _____________ unit
HintThe WSN require sensing, processing, and communication units
60). The sensor nodes are _________
HintThe sensor nodes are typically small in size, consumes less power, and cost is low
61). __________ are the few examples of sensor nodes
HintThe soil, temperature, weather sensor nodes, etc are the few examples of sensor nodes
62). _________ are the machine to machine communication applications
HintEnvironment monitoring, civil protection, and public safety, supply chain management, etc are the machine to machine communication applications
63). The M2M nodes are of _______ types
HintThe M2M nodes are of three types they are low-end, mid-end, and high-end nodes
64). The low-end sensor nodes are ___________
HintThe low-end sensor nodes are cheap, static, simple, and energy-efficient
65). The mid-end sensor nodes are ____________
HintThe mid-end sensor nodes are more expensive and nodes may have mobility
Read more about Sensors
66). ________ are the components of the M2M ecosystem
HintThe device providers, ISPs, platform and service providers, service users are the components of the M2M ecosystem
67). The antenna in single UAV system is ______________
HintThe antenna in single UAV system is omnidirectional
68). The antenna in multi UAV system is ______________
HintThe antenna in multi UAV system is directional
69). The scalability is limited in __________ system
HintThe scalability is limited in a single UAV system
70). The scalability is high in __________ system
HintThe scalability is high in multi UAV system
71). The survivability is poor in ______ system
HintThe survivability is poor in a single UAV system
72). ____________ system cost is medium
HintThe single UAV system cost is medium
73). The bandwidth required is high in _________ system
HintThe bandwidth required is high in a single UAV system
74). _________ are the UAV network constraints
HintThe frequency link breakages, prone to malfunction are the UAV network constraints
75). _________ are the advantages of UAV network
HintThe UAV networks are highly reliable, survivability is high and cost-effective

IOT MCQs for Quiz

76). The star topology in the UAV network is categorized into __________ types
HintThe 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 __________ types
HintThe 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 _______
HintThe mesh topology in the UAV network is more secure, reliable, and flexible
79). The star topology in a UAV network is _______
HintThe star topology in a UAV network is the point to point communication
80). What is the standard form of FANET?
HintThe standard form of FANET is Flying Ad Hoc Network
81). What is the standard form of MANET?
HintThe standard form of MANET is Mobile Ad Hoc Network
82). ________ are the components of MWSN
HintThe mobile sensor nodes, data mules, mobile sink are the components of MWSN
83). ____________ is an application of underwater MWSNs
HintThe monitoring marine life is an application of underwater MWSNs
84). ____________ is an application of terrestrial MWSNs
HintWildlife monitoring is an application of terrestrial MWSNs
85). ____________ is an application of aerial MWSNs
HintThe multimedia data gathering is an application of aerial MWSNs
86). _________ are the challenges in human-centric sensing
HintThe 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?
HintThe standard form of a UAV is Unmanned Aerial Vehicles
88). The computational capabilities are limited in _______
HintThe computational capabilities are limited in IOT
89). The storage is limited in _________
HintThe storage is limited in IOT
90). The IOT is a ___________ based technology
HintThe IOT is both software and hardware-based technology
91). The M2M is a ___________ based technology
HintThe M2M is a hardware-based technology
92). In M2M the communication type is ________
HintIn M2M the communication type is a point to point
93). The M2M is __________ scalable than IOT
HintThe M2M is less scalable than IOT
94). Which one is an example for M2M?
HintRemote monitoring is an example for M2M
95). Which one is an example for IOT?
HintThe smart cities is an example of IOT
96). In M2M, the business type is ___________
HintIn M2M, the business type is B2B
97). In IOT, the business type is ___________
HintIn IOT, the business type is B2B and B2C
98). The technology integration is _______in M2M
HintThe technology integration is vertical in M2M
99). What is the standard form of SDP?
HintThe standard form of SDP is Service Discovery Protocol
100). What is the standard form of L2CAP?
HintThe standard form of L2CAP is Logical Link Control ad Adaption
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