Multiple Choice Questions & Answers on IEEE 802 1. IEEE 802.15.4 standard has ______ channels are in the 915MHz ISM band. a) 1 b) 10 c) 16 d) 24 Answer: 10 2. IEEE has defined the specifications for a wireless LAN called __________, which covers the physical and data link layers. a) ieee 802.3 b) ieee 802.5 c) ieee 802.11 d) ieee 802.2 Answer: ieee 802.11 3. In IEEE 802.11, a ________ is made of stationary or mobile wireless stations and an optional central base station, known as the access point (AP). a) ess b) bss c) css d) none of the above Answer: bss 4. Which multiple access technique is used by IEEE 802.11 standard for wireless LAN? a) cdma b) cdma/cd c) cdma/ca d) none of the above Answer: cdma/ca 5. Which one of the IEEE 802 committees is tasked with the development of security standards? a) 802.1 b) 802.16 c) 802.15 d) 802.11 Answer: 802.1 6. Which of the IEEE 802 standards defines the technologies used to form and manage personal area networks? a) 802.16 b) 802.11 c) 802.

Multiple Choice Questions & Answers on Subnetting 1.What is the uses of subnetting? a.It divides one large network into several smaller ones b.It divides network into network classes c.It speeds up the speed of network d.None of above Answer: It divides one large network into several smaller ones 2. _________ implies that all subnets obtained from the same subnet mask. a) Static subnetting b) Dynamic subnetting c) Variable length subnetting d) Dynamic length subnetting Answer: Static subnetting. 3. _________ is another kind of fiber optic network with an active star for switching. a) S/NET b) SW/NET c) NET/SW d) FS/NET Answer: S/NET 4. __________ is a high performance fiber optic token ring LAN running at 100 Mbps over distances upto 1000 stations connected. a) FDDI b) FDDT c) FDDR d) FOTR Answer: FDDI 5. _________ is a collective term for a number of Ethernet Standards that carry traffic at the nominal rate of 1000 Mbit/s against the original Ethernet speed of 10 Mbit/s. a) Ethern

Multiple Choice Questions & Answers (MCQs) on IOT IP Address IP Address Multiple Choice Questions & Answers 1. What is the minimum header size of an IP packet? a) 16 bytes b) 10 bytes c) 20 bytes d) 10 bytes Answer: 20 bytes 2. Version 6 of IP address has how many bits. a) 64 bits b) 128 bits c) 32 bits d) 256 bits Answer: 128 bits 3. What is the format of IP address? a) 34 bit b) 64 bit c) 16 bit d) 32 bit Answer: 32 bit 4. What is the size of Network bits & Host bits of Class A of IP address? a) Network bits 7, Host bits 24 b) Network bits 8, Host bits 24 c) Network bits 7, Host bits 23 d) Network bits 8, Host bits 23 Answer: Network bits 7, Host bits 24 5. Which of the following is correct regarding Class B Address of IP address? a) Network bit - 14, Host bit - 16 b) Network bit - 16, Host bit - 14 c) Network bit - 18, Host bit - 16 d) Network bit - 12, Host bit - 14 Answer: Network bit - 14, Host bit - 16 6. How many version /s of IP’s ar

Multiple Choice Questions & Answers (MCQs) on IOT OSI model 1. OSI stands for __________ a) open system interconnection b) operating system interface c) optical service implementation d) open service Internet Answer: open system interconnection 2. The number of layers in ISO OSI reference model is __________ a) 4 b) 5 c) 6 d) 7 Answer: 7 3. Which layer is called a port layer in OSI model: a) Session b) Application c) Presentation d) Transport Answer: Session 4. Which level is the network layer in the OSI model? a) Third level b) Fourth level c) Second level d) Fifth layer Answer: Third level 5. Network layer protocol exits in _________ a) Host b) Switches c) Packets d) Bridges Answer: Host 6. What are the common protocols associated with the network layer? a) Address Resolution Protocol b) Reverse Address Resolution Protocol c) Internet protocol d) Neighbour Discovery Protocol Answer: Internet protocol 7. The network layer responds to request

  Multiple Choice Questions and Answers on Actuator Handling Actuator Request Multiple Choice Questions and Answers 1. How many customizing properties are available? a) 2 Properties b) 3 Properties c) 4 Properties d) 5 Properties Answer: 3 Properties 2. Using which customized endpoint will be accessed over HTTP? a) Id and enabled b) Enabled c) Sensitive d) Id Answer: Id 3. __________ allows us to monitor the application. a) Actuators b) Endpoints c) Boot d) Hypermedia Answer: Endpoints 4. Command to create new endpoint? a) Endpoint_T b) Endpoint<T> c) Endpoint-T d) Endpoint-t Answer: Endpoint<T> 5. Which endpoint shows application health information? a) /health b) /info c) /metric d) /trace Answer: /health 6. __________ endpoint displays arbitrary application information. a) /health b) /info c) /metric d) /trace Answer: /info 7. Which endpoints are sensitive? a) /health b) /info c) /metric d) /trace Answer: /metric 8. Which endpoint displays trace information? a) /health b)

Multiple Choice Questions and Answers on Sensors for IOT Multiple Choice Questions and Answers on Temperature Sensor 1. Which sensor is used for monitor electric distribution and switching equipment temperature? a) LM35 b) ESP8266 c) DHT11 d) RFM3200 Answer: RFM3200 2. Line of sight of wireless sensor tag is ________ a) 750ft b) 700ft c) 500ft d) 550ft Answer: 700ft 3. How many pins does temperature sensor have? a) 5 legs b) 2 legs c) 4 legs d) 3 legs Answer: 3 legs 4. Which of the following is the Wireless battery-free sensor? a) LM35 b) RFM3200 c) ESP8266 d) DHT11 Answer: RFM3200 5. Which sensor is linear and low accuracy? a) Thermistor b) Resistance Thermometer c) Thermocouple d) Semiconductor based sensor Answer: Semiconductor based sensor 6. What is ESP8266? a) WIFI module b) Sensor c) Board d) USB cable Answer: WIFI module 7. Electric motor protection has which sensor? a) Pressure sensor b) Touch sensor c) Temperature sensor d) Humidity sensor Answer: Temperature sensor 8. What i

Multiple Choice Questions and Answers on Introduction to Industry 4.0 1. Which role do internet technologies and the “IoT” play in the context of industry 4.0? a) They form the base to connect everyday items. b) They form the base for an environmental friendly production. c) They form among others the base for corporate communication. Answer: They form the base to connect everyday items. 2. When Industry 4.0 starts? a) 2007 b) 2010 c) 2013 d) 2016 Answer: 2013 3. In which year was the term Industry 4.0 first introduced? a) 2009 b) 2010 c) 2011 d) 2012 Answer: 2011 4. When did the 3rd industrial revolution prompted? a) 1950s b) 1960s c) 1970s d) None of the above Answer: 1960s 5. In which year did Prime minister Narendra Modi launch Make in India to promote India's manufacturing industry? a) 2013 b) 2014 c) 2015 d) 2016 Answer: 2014 6. Which country government introduced the Industry 4.0 concept? a) United States of America b) France c) Germany d) Great Bretain Answer: Germany 7

IoT Architecture Multiple Choice Questions and Answers Multiple Choice Questions on IoT Architecture for Precision Agriculture 1. ________ is an application layer protocol for resource constrained devices. a) CoAP b) HMTP c) MQTT d) TCP/IP Answer: CoAP 2. ________ supports low energy radio operation. a) IETF 6LoWPAN b) IEFT CoAP c) RFID/NFC d) Bluetooth Answer: Bluetooth 5. ________ tags, devices, smart phones useful in identification. a) IETF 6LoWPAN b) IEFT CoAP c) RFID/NFC d) IEEE 802.15.4.LoWPAN Answer: RFID/NFC 4. ________ enables open application layer for constrained nodes. a) IETF 6LoWPAN b) IEFT CoAP c) RFID/NFC d) IEEE 802.15.4.LoWPAN Answer: IEFT CoAP 5. Number of methods in CoAP? a) 2 b) 5 c) 4 d) 3 Answer: 4 6. ________ 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.LoWPAN Answer: IEEE 802.15.4.LoWPAN 7. 6LoWPAN Adaption layer contains? a) Header compression b) Fragmentation c) Layer 2 forwarding

Multiple Choice Questions and Answers on IoT Architecture Multiple Choice Questions on Open IoT Architecture 1. Open IoT manages the registration, data acquisition, deployment of sensors and interconnected of objects, through which network? a) GSN b) X-GSN c) LSM d) HTTP Answer: X-GSN 2. Internet of Things needs a lot of network connection. What is the proposed “white Space” radio standard called? a) Bluetooth b) WiMax c) Weightless d) Zigbee Answer: Weightless 3. _________ an open source stack for gateways and the edge. a) Eclipse Kapua b) Red Hat c) Intercloud d) Eclipse Kura Answer: Eclipse Kura 4. The huge number of devices connected to the Internet of Things has to communicate automatically, not via humans. What is this called? a) Skynet b) Bot 2 Bot c) Machine 2 Machine d) Intercloud Answer: Machine 2 Machine 5. Global Sensor Network is built for _________ a) Reducing cost and time for development b) Reducing cost and increasing time for development c) Increasing cost and increas

IOT Questions and Answers 1.QoS guarantees in WSNs include a) Offering guarantees in terms of bandwidth, delay, jitter b) Offering guarantees in terms of packet loss probability. c) Offering guarantees in terms of Limited bandwidth, unpredictable changes in RF channel characteristics. d) All of these Answer: All of these 2. The WSN nodes are prone to a) Malicious attacks b) Eavesdropping c) Interference d) All of these Answer: All of these 3. With respect to WSN coverage problems, the OGDC algorithm is an acronym for a) Optimal Geographic Density Control b) Optimal Geographic Distance Control c) Optimal Geographic Distance Coverage d) Optimal geographic Density Coverage Answer: Optimal Geographic Density Control 4. A crossing with respect to WSN coverage is _ if it is in the interior region of at least one node’s coverage disk. a) Partially covered b) Covered c) Not covered d) Isolated Answer: Covered 5. A PIR Sensor stands for a) Proximity Infra-Red b) Passive Infra-Red c) Picture Inf

IOT Objectives Types Questions And Answers 1. The main function of the IoT Gateway can be summarized as a) Forwarding packets between LAN and WAN on the IP layer. b) Performs application layer functions between IoT nodes and other entities. c) Enables local, short-range communication between IoT devices. d) All of these Answer: Forwarding packets between LAN and WAN on the IP layer. 2. Scalability of IoT means a) Expandable/reducible in terms of scale or size. b) Measurable c) Increasing/decreasing monetary costs. d) All of these. Answer: All of these 3.Which one of these is the most important factor to be considered in an IoT implementation: a) Scalability b) Power efficiency c) Efficient and scalable addressing schemes d) All of these Answer: All of these 4.Which statement is NOT TRUE a) IoT WAN connects various network segments. b) IoT WAN is geographically wide. c) IoT WAN is organizationally wide. d) None of these. Answer: None of these. 5.Which of these statements regarding senso