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This section includes InterviewSolutions, each offering curated multiple-choice questions to sharpen your knowledge and support exam preparation. Choose a topic below to get started.

1.

WSN stands for __________(a) Wired Sensor Network(b) Wireless Sensor Network(c) Wired Service Network(d) Wireless Service NetworkThe question was posed to me in exam.My question is from IoT Architecture for Precision Agriculture in section IoT Architecture of IOT

Answer»

The correct option is (B) WIRELESS Sensor Network

Explanation: WSN – Wireless Sensor Network COMPRISES of motes running a WSN application and a LIGHT weight CoAP server.

2.

The use of RFID in product logistics may realize automatic acquisition of logistics information.(a) True(b) FalseThis question was posed to me in a job interview.Enquiry is from IoT Architecture for Smartcities in chapter IoT Architecture of IOT

Answer» CORRECT answer is (a) True

The best I can explain: The use of RFID in product logistics MAY realize automatic ACQUISITION of logistics INFORMATION, logo recognition, as well as reliable cargo delivery, safe customs, and tracking VISUALIZATION.
3.

________ tags, devices, smart phones useful in identification.(a) IETF 6LoWPAN(b) IEFT CoAP(c) RFID/NFC(d) IEEE 802.15.4.LoWPANI got this question in an international level competition.I would like to ask this question from IoT Architecture for Precision Agriculture topic in chapter IoT Architecture of IOT

Answer»

Right OPTION is (c) RFID/NFC

The explanation: RFID/NFC – tags, devices, SMART PHONES useful in product / OBJECT identification and gathering associated information.

4.

Monitor target of the smart ________ includes sensor objects in the power link.(a) Perception layer(b) Smart network layer(c) Smart Application layer(d) Data layerThis question was addressed to me in an online quiz.Asked question is from IoT Architecture for Smartgrid in portion IoT Architecture of IOT

Answer»

Right option is (a) PERCEPTION layer

The best I can EXPLAIN: MONITOR target of the smart perception layer INCLUDES sensor objects in the power link, smart house hold objects and smart SECURITY objects.

5.

IoT data scalability includes ________(a) Protocol abstraction(b) Simple and fast installation(c) Security with hardware(d) Data storageThis question was addressed to me in my homework.I would like to ask this question from IoT Architecture for Smartgrid in chapter IoT Architecture of IOT

Answer»

Correct ANSWER is (d) Data STORAGE

The best explanation: IOT Data Scalability:

Data and Event PROCESSING at the edge

Data storage at the edge

Hierarchical CLOUDS.

6.

The IoT platforms are mainly divided into how many types(a) 3 types(b) 5 types(c) 4 types(d) 2 typesThe question was asked in an online interview.My question is taken from IoT Architecture for Smartcities in division IoT Architecture of IOT

Answer»

Correct option is (c) 4 types

To explain: The IoT platforms could be DIVIDED into four types:

EGOVERMNENT related

Enterprise-based

Company based

Business ORIENTED PLATFORM.

7.

The autonomous ________ based IoT platforms are used for internal management of the corresponding enterprise.(a) eGovermnent related(b) Enterprise-based(c) Company based(d) Business oriented platformThe question was asked in a job interview.Asked question is from IoT Architecture for Smartcities in division IoT Architecture of IOT

Answer»

Correct answer is (c) COMPANY based

The best EXPLANATION: The autonomous enterprise based and company based IOT platforms are used for internal management of the corresponding enterprise and as such are supported by INDEPENDENT investments.

8.

The core element is operated by ________(a) PaaS(b) IoT service Provider(c) SaaS(d) IaaSThis question was addressed to me during an online exam.The above asked question is from IoT Architecture for Smartcities topic in chapter IoT Architecture of IOT

Answer»

The correct answer is (b) IOT service PROVIDER

To explain: An IoT PLATFORM, which could serve as a generic architectural foundation for a smart city development has a Integrated Information Provider as its CORE element. Its core element is operated by an IoT Service Provider.

9.

The core element of architecture of smart city is ________(a) Mobile Unified Service(b) Urban Application Platform(c) Management center(d) Integrated Information ProviderI got this question during an online interview.The above asked question is from IoT Architecture for Smartcities topic in portion IoT Architecture of IOT

Answer» RIGHT answer is (d) Integrated INFORMATION Provider

To explain: An IoT platform, which COULD serve as a generic architectural FOUNDATION for a SMART city development has an Integrated Information Provider as its core element.
10.

Which protocol interacts asynchronously over UDP?(a) HMTP(b) CoAP(c) MQTT(d) TCP/IPThis question was posed to me in an online quiz.The origin of the question is IoT Architecture for Precision Agriculture in portion IoT Architecture of IOT

Answer» RIGHT choice is (B) CoAP

The explanation: CoAP is an application layer PROTOCOL (IETF draft) for resource constrained DEVICES. It is Asynchronous message interactions over UDP, Request/Response semantics CoAP resources are identified by Uniform Resource Identifiers.
11.

________ enables seamless integration of LoWPAN devices with internet leveraging.(a) IETF 6LoWPAN(b) IEFT CoAP(c) RFID/NFC(d) IEEE 802.15.4.LoWPANThis question was posed to me by my college director while I was bunking the class.The query is from IoT Architecture for Precision Agriculture in portion IoT Architecture of IOT

Answer»

Right ANSWER is (a) IETF 6LoWPAN

For explanation: IETF 6LoWPAN enables seamless integration of LoWPAN DEVICES with internet leveraging IPv6 LARGE address space and appln. LAYER protocol REUSE.

12.

________ layer can be divided into the data access network and the core network.(a) Perception layer(b) Smart network layer(c) Smart Application layer(d) Data layerI have been asked this question in quiz.This intriguing question comes from IoT Architecture for Smartgrid in portion IoT Architecture of IOT

Answer»

The correct choice is (b) Smart network LAYER

Best explanation: Smart network layer can be divided into the data ACCESS network and the core network. The data on perception terminals and interaction terminals is uploaded to the power access network and the Internet separately ACCORDING to its TYPE and security level.

13.

Which of the following is IoT device manageability?(a) Protocol abstraction(b) Simple and fast installation(c) Security with hardware(d) Data storageI got this question in homework.This interesting question is from IoT Architecture for Smartgrid topic in portion IoT Architecture of IOT

Answer»

Right option is (b) Simple and fast INSTALLATION

Easy EXPLANATION: IoT DEVICE Manageability:

Simple and fast Installation and configuration

Enable DEPLOYMENT of new application

Remote administration of GATEWAYS.

14.

How many messages types are there in CoAP?(a) 2(b) 5(c) 3(d) 4I have been asked this question during an interview for a job.My question is from IoT Architecture for Precision Agriculture topic in portion IoT Architecture of IOT

Answer»

Correct choice is (d) 4

To EXPLAIN I would SAY: Four MESSAGE types are:

Confirmable

Non confirmable

Acknowledgments

Reset.

15.

Number of methods in CoAP?(a) 2(b) 5(c) 4(d) 3I got this question in a job interview.My doubt stems from IoT Architecture for Precision Agriculture in section IoT Architecture of IOT

Answer»

The correct OPTION is (C) 4

The best I can explain: FOUR CoAP METHODS:

GET

POST

PUT

DELETE.

16.

IoT gateway must provide __________(a) Simple and fast installation(b) Security with hardware(c) Data storage(d) Protocol abstractionI had been asked this question in an international level competition.This key question is from IoT Architecture for Smartgrid topic in division IoT Architecture of IOT

Answer»

Correct option is (d) Protocol abstraction

The EXPLANATION: IoT gateway MUST PROVIDE:

Protocol abstraction

Computing and I/O performance

Integration communication CAPABILITY.

17.

Supplementary platforms in the architecture provide support for these services.(a) True(b) FalseI have been asked this question in an international level competition.My doubt is from IoT Architecture for Smartcities topic in portion IoT Architecture of IOT

Answer»

The CORRECT answer is (a) True

The best I can explain: Supplementary PLATFORMS in the architecture provides SUPPORT for these services include:

A cloud computing DATA center

A management center

An application platform.

18.

Adheres to ________ approach for managing resources and support mapping to HTTP.(a) RETful(b) IoT(c) Restful(d) RESTfulI got this question during an interview.The query is from IoT Architecture for Precision Agriculture in division IoT Architecture of IOT

Answer»

Correct option is (d) RESTFUL

The EXPLANATION is: CoAP is an APPLICATION layer protocol (IETF draft) for resource constrained devices. Adheres to RESTful approach for managing resources and support MAPPING to HTTP.

19.

What is the role of Gateway in smart grid architecture of IoT?(a) Store data(b) Manage data(c) Collect data(d) SecurityThis question was posed to me in an interview for internship.My question is from IoT Architecture for Smartgrid topic in section IoT Architecture of IOT

Answer»

Correct choice is (C) Collect data

To EXPLAIN: Gateway: COLLECTS data from sensors, abstract PROTOCOLS, perform local autonomous decision, transfer INFORMATION.

20.

ICT stands for ________(a) Information and Communication Technology(b) Internet and Communication Technology(c) Internet and Communication of Things(d) Information and Communication of ThingsI got this question in my homework.My enquiry is from IoT Architecture for Smartgrid in division IoT Architecture of IOT

Answer»

The CORRECT answer is (a) Information and Communication Technology

To explain I WOULD SAY: A HIERARCHICAL architecture of IoT that applies to all aspects of smart grid, based on research on smart grid ICT (Information and Communication Technologies) as well as its functional demand analysis.

21.

CoAP messages are short.(a) True(b) FalseThis question was posed to me by my college professor while I was bunking the class.Query is from IoT Architecture for Precision Agriculture topic in division IoT Architecture of IOT

Answer»

The CORRECT option is (a) True

Easiest explanation: CoAP messages are short – 4 BYTES header FOLLOWED by options (Typically, 10-20 bytes header).

22.

Do we have defects with the existing power communication network?(a) True(b) FalseI had been asked this question during an internship interview.I'm obligated to ask this question of IoT Architecture for Smartgrid topic in section IoT Architecture of IOT

Answer»

The CORRECT CHOICE is (a) True

Explanation: There exists many defects with the existing power communication network. For EXAMPLE, blind zones are present. CURRENTLY, high voltage transmission lines completely RELY on manual inspection.

23.

According to the analysis on IoT application frame work, smart grid is divided into ________ layers.(a) 2layers(b) 3 layers(c) 4 layers(d) 5 layersThe question was posed to me in a national level competition.My question comes from IoT Architecture for Smartgrid topic in portion IoT Architecture of IOT

Answer»

The correct CHOICE is (b) 3 layers

The explanation: According to analysis on IOT APPLICATION FRAMEWORK based on a smart grid, node features of various parts, distinct application needs and basic IoT model, IoT based on smart grid is a combination of :

PERCEPTION layer

Smart network layer

Smart Application layer.

24.

IoT promotes the creation of IoT terminal industry ________(a) Devices(b) Network(c) Clusters(d) ThingsThe question was asked during an interview.The origin of the question is IoT Architecture for Smartcities topic in chapter IoT Architecture of IOT

Answer»

The correct choice is (C) Clusters

To ELABORATE: IoT platform promotes the creation of IoT terminal Industry clusters, which will greatly attract COMMERCIAL capital INVESTMENTS in the IoT modern services.

25.

Which approach is used in this architecture?(a) Top down approach(b) Bottom up approach(c) Top down and Bottom Up(d) Neither Top down nor bottom upThis question was posed to me during an interview for a job.I need to ask this question from IoT Architecture for Smartcities topic in portion IoT Architecture of IOT

Answer»

Right CHOICE is (a) Top down APPROACH

Explanation: For the implementation of IoT ARCHITECTURE for SMART CITIES, the top down approach is used.

26.

IoT security management includes ________(a) Protocol abstraction(b) Simple and fast installation(c) Security with hardware(d) Data storageThe question was posed to me in homework.My doubt stems from IoT Architecture for Smartgrid in portion IoT Architecture of IOT

Answer» RIGHT choice is (c) SECURITY with hardware

Explanation: IoT security management :

IMPROVES security with hardware

Enable SECURE communication to sensors

End to End Security from Sensor to CLOUD.
27.

________ specification defining the PHY and MAC layer of low power devices.(a) IETF 6LoWPAN(b) IEFT CoAP(c) RFID/NFC(d) IEEE 802.15.4.LoWPANThe question was asked by my college director while I was bunking the class.My doubt is from IoT Architecture for Precision Agriculture topic in section IoT Architecture of IOT

Answer»

Correct ANSWER is (d) IEEE 802.15.4.LoWPAN

To explain: IEEE 802.15.4.LoWPAN – specification defining the PHY and MAC layer of LOW power devices supporting 250 Kb/s DATA rate, small packet size 127 bytes.

28.

The ________ may become an important facilitator and stimulate for the modern economy.(a) eGovermnent related(b) Enterprise-based(c) Company based(d) Business oriented platformThis question was addressed to me in examination.My query is from IoT Architecture for Smartcities topic in chapter IoT Architecture of IOT

Answer»

Correct answer is (d) Business oriented platform

For explanation I would say: The PURE business oriented IoT MAY become an IMPORTANT facilitator and stimulus for the modern ECONOMY, by ATTRACTING investments and developing strategic industry sectors.

29.

________ supports low energy radio operation.(a) IETF 6LoWPAN(b) IEFT CoAP(c) RFID/NFC(d) BluetoothThis question was posed to me in my homework.My enquiry is from IoT Architecture for Precision Agriculture in chapter IoT Architecture of IOT

Answer»

Right answer is (d) Bluetooth

To ELABORATE: Bluetooth SMART devices SUPPORT low energy RADIO OPERATIONS like, heart rate monitors, blood glucose monitors suitable for health CARE and fitness etc.

30.

What is the role of Bigdata in smart grid architecture of IoT?(a) Store data(b) Manage data(c) Collect data(d) SecurityI had been asked this question in semester exam.My question is from IoT Architecture for Smartgrid topic in portion IoT Architecture of IOT

Answer» RIGHT answer is (a) Store data

The best EXPLANATION: Bigdata stores TIME series data, unstructured data, provided context for ANALYTICS, API for enterprise applications.
31.

ITS stands for _________(a) Internet Travel Services(b) Internet Transportation Security(c) Intelligent Transportation Security(d) Intelligent Transportation ServicesThis question was posed to me in an online interview.Question is taken from IoT Architecture for Smartcities topic in chapter IoT Architecture of IOT

Answer»

Correct answer is (d) Intelligent Transportation SERVICES

To explain: The CENTER is linked with set of services, intelligent transportation services city FIRE protection and SECURITY; corporation medical services; commercial and tourism services; and tax and fees PAYMENT services.

32.

________ enables open application layer for constrained nodes.(a) IETF 6LoWPAN(b) IEFT CoAP(c) RFID/NFC(d) IEEE 802.15.4.LoWPANThe question was posed to me in an interview.I would like to ask this question from IoT Architecture for Precision Agriculture topic in division IoT Architecture of IOT

Answer»

Right answer is (b) IEFT CoAP

Explanation: IETF CoAP – open application layer SPECIFICATION for constrained NODES supporting HTTP and Web INTEGRATION.

33.

What is the role of Cloud in smart grid architecture of IoT?(a) Store data(b) Manage data(c) Collect data(d) SecurityThis question was posed to me in homework.This intriguing question comes from IoT Architecture for Smartgrid topic in portion IoT Architecture of IOT

Answer»

The correct answer is (b) MANAGE DATA

For explanation I would say: Cloud to edge Middleware: manage data and edge DEVICES, data streaming and EVENT processing, control authorized access.

34.

What is the example for smart grid edge device for utility?(a) Smart Meters(b) Smart Home(c) Smart Car(d) Smart CollageThis question was posed to me in homework.My question is based upon IoT Architecture for Smartgrid topic in section IoT Architecture of IOT

Answer»

The correct choice is (a) Smart Meters

Explanation: Examples of Smart GRID EDGE DEVICES for UTILITIES:

Voltage and Current sensors

Smart Inverters

Smart Motors.

35.

In ________ layer, various application platforms are built as required by the services needs of smart grid.(a) Perception layer(b) Smart network layer(c) Smart Application layer(d) Data layerThis question was addressed to me in an interview.My question is taken from IoT Architecture for Smartgrid in section IoT Architecture of IOT

Answer» CORRECT option is (c) Smart Application LAYER

Explanation: In the smart application layer, various application platforms are BUILT as required by the services NEEDS of smart GRID. The application platform as required by the services needs of smart grid.
36.

What is the role of Sensor in smart grid architecture of IoT?(a) Store data(b) Manage data(c) Collect data(d) SecurityThe question was posed to me in an online interview.I'd like to ask this question from IoT Architecture for Smartgrid topic in section IoT Architecture of IOT

Answer»

Correct ANSWER is (a) Store data

To explain: SENSORS and Actuators are connected, send data when NEEDED, secure and LOW power, easy to install and configure.

37.

6LoWPAN Adaption layer contains?(a) Header compression(b) Fragmentation(c) Layer 2 forwarding(d) Header compression, Fragmentation, and Layer 2 forwardingThe question was posed to me by my school teacher while I was bunking the class.I need to ask this question from IoT Architecture for Precision Agriculture topic in section IoT Architecture of IOT

Answer»

The correct answer is (d) Header compression, FRAGMENTATION, and Layer 2 forwarding

To ELABORATE: 6LoWPAN Adaption Layer:

 Header compression

Fragmentation

Layer 2 forwarding.

38.

In order to promote _________ the government should employ more management.(a) eGovermnent related(b) Enterprise-based(c) Company based(d) Business oriented platformI got this question in a job interview.I need to ask this question from IoT Architecture for Smartcities topic in division IoT Architecture of IOT

Answer» RIGHT option is (a) eGovermnent related

For explanation I would say: In ORDER to promote the eGovermnent information system EVOLUTION and improve their management, the local/regional/ national GOVERNMENTS should employ more management intelligence by utilizing an IoT platform.
39.

Who will use their own IoT business models?(a) PaaS(b) SaaS(c) IaaS(d) Service providerThe question was asked in exam.The query is from IoT Architecture for Smartcities topic in division IoT Architecture of IOT

Answer» CORRECT choice is (d) Service provider

Easiest explanation: IoT service provider will use their own IoT business models, architectures, and OPERATING PLATFORMS.
40.

Which protocol is used to link all the devices in the IoT?(a) TCP/IP(b) Network(c) UDP(d) HTTPThe question was asked in exam.This question is from IoT Architecture for Precision Agriculture topic in chapter IoT Architecture of IOT

Answer»

The correct choice is (a) TCP/IP

To explain I would say: The internet of THING is the global SYSTEM of interconnected computer networks that USE the Internet Protocol suite (TCP/IP) to link billions of devices worldwide.

41.

Does information resource management need to be integrated into market management?(a) True(b) FalseThe question was posed to me in an internship interview.Enquiry is from IoT Architecture for Smartcities in division IoT Architecture of IOT

Answer»

The correct option is (a) True

To ELABORATE: The enterprise and COMPANY BASED PLATFORMS ultimately serve the society. Therefore, information resource MANAGEMENT need to be integrated into market management.

42.

In order to improve their competitiveness and services assurance, the ________ require independently funded IoT projects.(a) eGovermnent related(b) Enterprise-based(c) Company based(d) Business oriented platformThe question was asked in class test.I would like to ask this question from IoT Architecture for Smartcities topic in section IoT Architecture of IOT

Answer»

The correct answer is (b) Enterprise-based

Easy explanation: In order to improve their COMPETITIVENESS and services assurance, the market ORIENTED enterprises and companies REQUIRE independently funded IoT PROJECTS.

43.

________ is an application layer protocol for resource constrained devices.(a) CoAP(b) HMTP(c) MQTT(d) TCP/IPThis question was posed to me in examination.Enquiry is from IoT Architecture for Precision Agriculture in portion IoT Architecture of IOT

Answer»

Correct option is (a) COAP

The best I can explain: CoAP is an APPLICATION layer PROTOCOL (IETF draft) for resource constrained DEVICES. Adheres to the Restful approach for managing the resources and support MAPPING to HTTP.

44.

________ resources are identified by Uniform Resource Identifiers.(a) CoAP(b) HMTP(c) MQTT(d) TCP/IPI have been asked this question in homework.My question is from IoT Architecture for Precision Agriculture in portion IoT Architecture of IOT

Answer» CORRECT option is (a) COAP

For explanation: CoAP is an application layer protocol (IETF draft) for resource CONSTRAINED devices. Adheres to RESTFUL approach for MANAGING resources and support mapping to HTTP. CoAP resources are identified by Uniform Resource Identifiers.
45.

An IoT ________ center is envisaged as an important part of the generic IoT platform to unify the organization.(a) Individual Information(b) Individual Integration(c) Integrated Information(d) Individual and Integrated InformationThis question was addressed to me in an interview for internship.I would like to ask this question from IoT Architecture for Smartcities in section IoT Architecture of IOT

Answer»

Right ANSWER is (c) Integrated Information

The best I can explain: An IoT Integrated Information CENTRE is envisaged as an important part of the generic IoT platform to UNIFY the organization, IMPLEMENTATION, and PLANNING of the integrated IoT application.