IoT MCQ PDF

Question 1: Which of the following allows us to identify objects and extract information? a. RFID b. Sensors c. Actuators d. IoT Nodes Answer: a. RFID Question 2: How many layers does Zigbee consist of? a. 1 b. 2 c. 3 d. 4 Answer: d. 4 Question 3: Which of the following is not a component of cloud...

Question 1: Which of the following allows us to identify objects and extract information? a. RFID b. Sensors c. Actuators d. IoT Nodes Answer: a. RFID Question 2: How many layers does Zigbee consist of? a. 1 b. 2 c. 3 d. 4 Answer: d. 4 Question 3: Which of the following is not a component of cloud computing? a. Clients b. Local Servers c. Services d. Applications Answer: b. Local Servers Question 4: Which of the following is a distance measuring sensor module? a. DHT22 b. HC-SR04 c. TSL2591 d. HC-SR505 Answer: b. HC-SR04 Question 5: Which of the following is a component in a typical sensor network? a. Sink b. Gateway c. Router d. All of these Answer: d. All of these Question 6: Which of the following sensors are responsible for measuring orientation and angular velocity? a. Accelerometer b. GPS c. Temperature d. None of these Answer: d. None of these Question 7: “ISA 100.11A” is a wireless networking technology standard. ISA stands for _______. a. International Society of Automation b. International Society of Advancement c. Industrial Society of Automation d. Industrial Society of Advancement Answer: a. International Society of Automation Question 8: Which of the following is not a difference between traditional data center and cloud computing? a. Scalability b. Flexibility c. Elasticity d. Storage Answer: d. Storage Question 9: Smart grid is also known as the energy internet. a. True b. False Answer: a. True Question 10: Can a point of node failure result in the partition of the network in the stationary sensor network? a. Yes b. No Answer: a. Yes Assignment - Week 1 Question 1: IoT stands for ____________. a. Internet of Tasks b. Internet of Tuples c. Internet of Things d. None of these Answer: c. Internet of Things Question 2: Which of the following technologies have unified and has resulted in the evolution of IoT? a. High-power embedded systems b. Super Computing c. Engine Technology d. None of these Answer: d. None of these Question 3: Which of the following are the enablers of IoT? a. RFID b. Nanotechnology c. Sensors d. All of these Answer: d. All of these Question 4: Which of the following is NOT a function of an IoT Gateway? a. Connects the IoT LAN to a WAN b. Can implement several LAN and WAN c. Both (a) and (b) d. Neither (a) nor (b) Answer: d. Neither (a) nor (b) Question 5: The ITU vision is approaching reality as the present-day networked devices have outnumbered humans on earth. a. True b. False Answer: a. True Question 6: In Multi-homing, a node/network is connected to multiple networks for improved reliability. a. True b. False Answer: a. True Question 7: Which of the following are the features of an IoT Gateway? a. A router connecting IoT LAN and WAN to the Internet b. Can implement several LAN and WAN c. Forwards packets between LAN and WAN d. All of these Answer: d. All of these Question 8: IoT Proxy performs active application layer functions between IoT nodes and other entities. a. True b. False Answer: a. True Question 9: The Gateway has a ____________ address prefix, which can be used to identify them globally. a. Non-unique b. Unique c. Both (a) and (b) d. Neither (a) nor (b) Answer: b. Unique Question 10: The IPv4 notation uses ___________________ number of bits to represent an address. a. 33 b. 32 c. Both (a) and (b) d. Neither (a) nor (b) Answer: b. 32 Question 11: The “Destination Address” field in the IPv4 header is of __________ bits in length. a. 32 b. 64 c. 128 d. None of these Answer: a. 32 Question 12: We can sense temperature using ____________? a. An actuator b. A Transducer c. A processor d. None of these Answer: d. None of these Question 13: A sensor is not only sensitive to the measured property, but it also influences the measured property. a. True b. False Answer: b. False Question 14: Based on the output, sensors are classified as _______________________. a. Scalar and Vector b. Analog and Digital c. Both (a) and (b) d. Neither (a) nor (b) Answer: b. Analog and Digital Question 15: What is the full form of SMP in the context of IoT actuators? a. Shape Master Polymers b. Switch Mode Power c. Sensor Making Polymer d. None of these Answer: d. None of these Assignment - Week 2 Question 1: Based on functionality, MQTT is a _______ protocol. a. Transport b. Data c. Semantic d. None of these Answer: b. Data Question 2: MQTT is a ___________-based lightweight protocol for use in conjunction with TCP/IP protocol. a. Client-Server b. Publish-Subscribe c. Both (a) and (b) d. Neither (a) nor (b) Answer: b. Publish-Subscribe Question 3: A ____________ controls the publish-subscribe messaging pattern in MQTT. a. Publishers b. Subscribers c. Broker d. None of these Answer: c. Broker Question 4: In MQTT, the Publishers are Lightweight Sensors. a. True b. False Answer: a. True Question 5: Which of the following is MQTT designed for? a. Remote connections b. Limited bandwidth c. Small code footprint d. All of these Answer: d. All of these Question 6: A __________ to which a client is subscribed is updated in the form of messages and distributed by the ____________. a. Topic, Message Broker b. Message Broker, Topic c. Message Broker, Message Broker d. Topic, Topic Answer: a. Topic, Message Broker Question 7: There are _______ number of methods in MQTT protocol. a. 5 b. 4 c. 6 d. None of these Answer: a. 5 Question 8: Publish/Subscribe in MQTT is event-driven and enables messages to be pushed to clients. a. True b. False Answer: a. True Question 9: SMQTT stands for? a. Secure MQTT b. Safe MQTT c. Safety in MQTT d. Stored MQTT Answer: a. Secure MQTT Question 10: Similar to HTTP, CoAP utilizes which of the following for operation? a. GET b. PUT c. PUSH d. All of these Answer: d. All of these Question 11: The CoAP protocol is a Client-Server interaction-based protocol that is asynchronous over a datagram-oriented transport protocol such as UDP. a. True b. False Answer: a. True Question 12: What is the full form of M2M in the context of IoT protocol? a. Message to Message b. Man to Message c. Message to Man d. None of these Answer: d. None of these Question 13: What is the basic unit of data in the AMQP protocol? a. Chunk b. Byte c. Slit d. None of these Answer: d. None of these Question 14: The OSI model has 9 layers. a. True b. False Answer: b. False Question 15: The “Destination Address” in the IPv4 packet represents the destination node address of the packet. a. True b. False Answer: a. True Assignment - Week 3 Question 1: Wireless HART is the latest release of Highway Addressable Remote Transducer protocol. a. True b. False Answer: a. True Question 2: Wired HART does not have a network layer. a. True b. False Answer: a. True Question 3: Wireless HART physical layer is derived from ______________ protocol. a. 802.15.4 b. 802.15.2 c. 802.15.3 d. 802.15.6 Answer: a. 802.15.4 Question 4: Wireless HART operates only in __________ GHz ISM band. a. 3.7 b. 4.8 c. 4.8 d. None of these Answer: d. None of these Question 5: Wireless HART employs and exploits __________ channels of the ISM band to increase reliability. a. 13 b. 4 c. 2 d. None of these Answer: d. None of these Question 6: Channel blacklisting identifies channels consistently affected by interference and adds them from use again. a. True b. False Answer: b. False Question 7: The Wireless HART incorporates ____________ and ____________ to increase the reliability and security of the network. a. Channel hopping and Channel Blacklisting b. Channel Aggregating and Frequency Aggregating c. Both (a) and (b) d. Neither (a) nor (b) Answer: a. Channel hopping and Channel Blacklisting Question 8: Wireless HART protocol relies on Mesh Networking for its communication, and each device is primed to forward packets from every other device. a. True b. False Answer: a. True Question 9: ZigBee protocol does not feature channel hopping at all. a. True b. False Answer: a. True Question 10: NFC is designed for use by devices within ________________ to each other. a. Close proximity b. Anywhere on the globe c. A small building d. None of these Answer: a. Close proximity Question 11: NFC are of ________ types? a. 2 b. 3 c. 1 d. None of these Answer: a. 2 Question 12: Smartphones are an example of active NFC devices. a. True b. False Answer: a. True Question 13: Bluetooth technology is based on _________________. a. HART b. ZigBee c. Ad-hoc piconets d. None of these Answer: c. Ad-hoc piconets Question 14: The Link Manager Protocol in Bluetooth manages the establishment, authentication, link configuration. a. True b. False Answer: a. True Question 15: ZigBee commonly uses __________ data rate. a. 250 Mbps b. 260 kbps c. 260 Mbps d. None of these Answer: d. None of these Assignment - Week 4 Question 1: Coverage in WSN is defined as the entire area is covered satisfactorily. a. True b. False Answer: b. False Question 2: In Wireless Sensor Network coverage, we study how to deploy or activate sensors to cover the monitoring area. a. True b. False Answer: a. True Question 3: Water reservoir overflow monitoring in WSN is an example of which type of reporting? a. Event driven b. On-demand c. Scattered d. None of these Answer: a. Event driven Question 4: Objective of coverage in WSN is to use minimum number of sensors and minimize network lifetime. a. True b. False Answer: b. False Question 5: Sensor nodes in WSN can be of two types – 1. Static sensor nodes, and 2. Mobile sensor nodes. a. True b. False Answer: a. True Question 6: An inventory control system is an example of ___________? a. Event-driven reporting b. On-demand reporting c. No sensing and reporting involvement d. None of these Answer: b. On-demand reporting Question 7: Most problems in static WSN can be classified as - a. Area coverage b. Barrier coverage c. Both (a) and (b) d. Neither (a) nor (b) Answer: c. Both (a) and (b) Question 8: What are the disadvantages of Stationary WSN? a. Node failure may result in the partition of networks b. Topology cannot be changed automatically c. Both (a) and (b) d. Neither (a) nor (b) Answer: c. Both (a) and (b) Question 9: MANET-infrastructure-less network of mobile devices connected wirelessly in WSN follow the self-HOP properties. a. True b. False Answer: a. True Question 10: In Mobile WSN, the Data Mules a. Collect the data from sensor nodes b. Goes to the sink and delivers the collected data c. Both (a) and (b) d. Neither (a) nor (b) Answer: c. Both (a) and (b) Question 11: __________ senses different under the sea or water level parameters. a. UAV b. AUV c. Both (a) and (b) d. Neither (a) nor (b) Answer: b. AUV Question 12: Humans carry their devices and move around. Sensors embedded within the devices record readings. Sensory readings are then transmitted for processing. This paradigm of sensing is known as – a. Machine Centric Sensing b. Device Centric Sensing c. Human Centric Sensing d. None of these Answer: c. Human Centric Sensing Question 13: Energy of Devices and Participant selection are two major problems in Human Centric Sensing. a. True b. False Answer: a. True Question 14: Which of the following network topologies is used in UAV networks? a. Mesh b. Star c. Both (a) and (b) d. Neither (a) nor (b) Answer: c. Both (a) and (b) Question 15: The M2M Application Platform provides integrated services based on device-collected data sets. a. True b. False Answer: a. True Assignment - Week 5 Question 1: When different processing logic are applied to the same IoT networked devices or applications, it gives rise to? a. Large scale of co-operation b. Semantic conflicts c. Both (a) and (b) d. Neither (a) nor (b) Answer: b. Semantic conflicts Question 2: Interoperability is a characteristic of a product or system. a. True b. False Answer: a. True Question 3: Interoperability is important in the context of IoT so that - a. Physical objects remain isolated b. Networks remain isolated c. Both (a) and (b) d. Neither (a) nor (b) Answer: d. Neither (a) nor (b) Question 4: Use of different programming languages such as JavaScript, Python, JAVA, and others is an example of heterogeneity in IoT. This brings in the need for interoperability. a. False b. True Answer: b. True Question 5: The interoperability between devices and device users in terms of message formats is called Syntactic Interoperability. a. True b. False Answer: a. True Question 6: What is the full form of UMB in IoT interoperability? a. Universal Middleware Bridge b. Universal Main Bridge c. Universal Main Bracket d. None of these Answer: a. Universal Middleware Bridge Question 7: Which of the following pins is NULL in the DHT-11 sensor? a. Pin 2 b. Pin 4 c. Both (a) and (b) d. Neither (a) nor (b) Answer: d. Neither (a) nor (b) Question 8: Arduino MEGA microcontroller board is also known as? a. MEGA 3370 b. MEGA 2570 c. MEGA 9980 d. None of these Answer: d. None of these Question 9: A ___________ provides high-precision rotary motion of 0 to 180 degrees. a. Solenoid Valve b. Relay c. Servo Motor d. None of these Answer: c. Servo Motor Question 10: What does the following code snippet do in interfacing a servo motor with the Arduino MEGA board? int servoPin = 12; a. Declares pin for connecting servo motor b. Declares pin for providing power to MEGA board c. Declares pin for Ground supply for servo motor d. None of these Answer: a. Declares pin for connecting servo motor Question 11: What does the delay(1000); line do mean in an Arduino sketch? a. It introduces a delay of 1 second b. It introduces a delay of 10 seconds c. It introduces a delay of 100 milliseconds d. None of these Answer: a. It introduces a delay of 1 second Question 12: Additional hardware is required to load a program into the Arduino Uno board using a computer. a. True b. False Answer: b. False Question 13: Arduino Uno board has ______ number of PWM pins? a. 9 b. 4 c. 8 d. None of these Answer: d. None of these Question 14: Consider the following Arduino sketch. What must be inserted in the place of ‘??’ within the second pinMode() function in void setup()? a. INPUT b. OUTPUT c. None of these d. Anyone of these is okay Answer: b. OUTPUT Question 15: The “Verify” option in the Arduino IDE checks the code for compilation errors. a. True b. False Answer: a. True Assignment - Week 6 Question 1: Python is popular for embedded application development as it is a very lightweight programming language. a. True b. False Answer: a. True Question 2: Python does not support strict rules for syntax. a. True b. False Answer: a. True Question 3: _________ is a software that is used to write codes, integrate several modules and libraries. a. IDE b. Module c. API d. None of these Answer: a. IDE Question 4: To indicate different blocks of code, Python follows rigid indentation. a. True b. False Answer: a. True Question 5: What is the output of the following line of code in Python? >>> print “Hi, Welcome to python!” a. Hi, Welcome to python! b. “Hi, Welcome to python!” c. Hi, Welcome to python d. None of these Answer: a. Hi, Welcome to python! Question 6: Which of the following is a mode to open a file in Python? a. Read mode b. Write mode c. Append mode d. All of these Answer: d. All of these Question 7: The command to install the PIL library is sudo pip get pillow. a. Correct b. Incorrect Answer: b. Incorrect Question 8: How many data types are there in Python? a. 5 b. 7 c. 8 d. None of these Answer: a. 5 Question 9: The following control structure in Python is valid: python Copy code if(condition): statement 1 statement 2 elif(condition) statement 1 statement 2 else statement 1 statement 2 a. Invalid b. Valid Answer: a. Invalid Question 10: Can we configure Raspberry Pi as a Web Server? a. Yes b. No Answer: a. Yes Question 11: What is the frequency of the Raspberry Pi Zero CPU? a. 2.1 GHz b. 1.1 GHz c. 3.1 GHz d. None of these Answer: d. None of these Question 12: sudo apt-get install python-rpi.gpio installs the Raspberry Pi GPIO library. a. True b. False Answer: a. True Question 13: Which command exits the nano editor? a. Ctrl + X b. Ctrl + O c. Ctrl + K d. None of these Answer: a. Ctrl + X Question 14: GPIO.output(11,True) does the following: a. Sets GPIO 11 as output pin b. Turns on GPIO pin 11 c. Neither (a) nor (b) d. Both (a) and (b) Answer: b. Turns on GPIO pin 11 Question 15: raspistill -o image.jpg performs the following action: a. Captures video feed b. Captures still image c. Both (a) and (b) d. None of these Answer: b. Captures still image Assignment - Week 7 Question 1: Adafruit provides a library to work with DHT22 Sensor. a. True b. False Answer: a. True Question 2: Which python library is used for plotting the data in 2D? a. List b. Numpy c. Pandas d. Matplotlib Answer: d. Matplotlib Question 3: __________ creates a two-way communication between two nodes in a network. a. Peer-to-Peer Network b. Parallel Programming c. Socket Programming d. None of these Answer: c. Socket Programming Question 4: The two main challenges of SDN are: a. File placement and Node placement b. Rule placement and Controller placement c. Both a and b d. Neither a nor b Answer: b. Rule placement and Controller placement Question 5: IoT cannot control the network remotely. a. True b. False Answer: b. False Question 6: Which of the following is a part of data processing? a. Splitting b. Filtering c. Neither a nor b d. Both a and b Answer: d. Both a and b Question 7: If a controller is down in SDN, what is introduced? a. Backup controller b. Intro controller c. Both a and b d. Neither a nor b Answer: a. Backup Controller Question 8: Ion() is used to add a subplot in the data plotting in Python. a. True b. False Answer: b. False Question 9: Matplotlib cannot plot in 2D. a. True b. False Answer: b. False Question 10: How many rules are deleted from the switch at hard timeout? a. None b. All c. Half d. Some Answer: b. All Question 11: Are controllers able to handle all incoming requests from switches? a. Yes b. No Answer: a. Yes Question 12: Are Indigo and LINC open source? a. Yes b. No Answer: a. Yes Question 13: Which of the following forwards the sensed data based on the ID of the source node? a. ID-centric data forwarding b. Northbound IDs c. Both a and b d. Neither a nor b Answer: a. ID-centric data forwarding Question 14: How many requests can a controller handle through a single thread? a. 200/sec b. 50/sec c. Neither a nor b d. Both a and b Answer: a. 200/sec Question 15: Switches that forward the traffic in a distributed manner have a global view of the network. a. True b. False Answer: b. False Assignment - Week 8 Question 1: Which of the following abstracts the physical resources from the network services? a. Path management b. Routing protocols c. Flow-table paradigm d. Network Virtualization Answer: d. Network Virtualization Question 2: In which of these, exact match rules are useful? a. Elephant Flow b. Mice-flow c. Both a and b d. Neither a nor b Answer: a. Elephant Flow Question 3: Which of these takes last k-th location instances to predict the next location? a. Odin-k Markov Predictor b. Order-k Markov interpreter c. Order-k Markov predictor d. None of these Answer: c. Order-k Markov predictor Question 4: Which of the following is an important issue due to the dynamic nature of the IoT network? a. Match rules b. Load rules c. Match balancing d. Load Balancing Answer: d. Load Balancing Question 5: ___________ refers to heterogeneous computing nodes distributed over a wide area to perform very large tasks. a. Cluster Computing b. Utility Computing c. Grid Computing d. None of these Answer: c. Grid Computing Question 6: Which of the following is a type of service model in cloud computing? a. SaaS b. PaaS c. IaaS d. All of these Answer: d. All of these Question 7: Which of the following statements are true about SaaS? Statement I: Applications are available as ‘services’. Statement II: End-users do not have control of the cloud infrastructure. Statement III: Services can be accessed by various types of client devices. a. Statements I and II b. Statements I and III c. Statements II and III d. Statement I, II, and III Answer: d. Statement I, II, and III Question 8: ____________ means independent of device or location. a. Scalable b. Reliability c. Agile d. Ubiquitous Answer: d. Ubiquitous Question 9: __________ provides the platform which allows developers to create applications offered as a service via the Internet. a. Software-as-a-Service b. Storage-as-a-Service c. Network-as-a-Service d. Platform-as-a-Service Answer: d. Platform-as-a-Service Question 10: ‘Dynamic scaling of the required infrastructure resources’ is a feature of which essential characteristic of cloud computing? a. Scalability b. Availability c. Synchronization d. None of these Answer: a. Scalability Question 11: Software-as-a-Service does not support a fully pay-as-you-go model. a. True b. False Answer: b. False Question 12: Host Level Security at PaaS and SaaS level means: a. Hide host OS from the end users b. Security responsibilities are transferred to Cloud service providers c. Both a and b d. Neither a nor b Answer: c. Both a and b Question 13: Which of the following is an objective of Data Security? a. Confidentiality b. Integrity c. Availability d. All of these Answer: d. All of these Question 14: CloudSim provides a cloud environment. a. True b. False Answer: a. True Question 15: Which of the following is true about GreenCloud? a. GreenCloud cannot monitor the energy consumption of servers, switches, etc. b. GreenCloud was developed as an extension of GO. c. Neither a nor b d. Both a and b Answer: c. Neither a nor b Which of the following can be used to install OpenStack? a. devstack b. stack c. Swift d. All of these Correct Answer: a. devstack Which of the following is/are the advantages of cloud computing? a. Elasticity b. Pay-per-use c. Self Service d. All of the above Correct Answer: d. All of the above Select the statement(s) that denote the limitations of WSNs. Statement I: Procurement Statement II: Deployment Statement III: Maintenance a. Statement I b. Statement II c. Statements I, II, and III d. None of these Correct Answer: c. Statements I, II, and III Which of the following plays a role in the sensor-cloud architecture? a. End-users b. Sensor-owner c. Sensor-Cloud Service Provider d. All of these Correct Answer: d. All of these The managerial role is played by __________ in sensor-cloud architecture. a. End-users b. Sensor-Cloud Service Provider c. Neither a nor b d. Both a and b Correct Answer: b. Sensor-Cloud Service Provider Which of the following is/are the components of the work-flow of the sensor- cloud? a. Virtual Sensor Manager b. Virtual Sensor Controller c. Resource Manager d. All of these Correct Answer: d. All of these Who coined the term Fog computing? a. IBM b. CISCO c. Both a and b d. Neither a nor b Correct Answer: b. CISCO What of the following is responsible for allocation and deallocation of the resources? a. Sensor manager b. Sensor controller c. Sensor resource pool d. None of these Correct Answer: c. Sensor resource pool The sensor owner can only deploy homogeneous physical sensor nodes in the sensor cloud. a. True b. False Correct Answer: b. False What is the function of Internal Cache? a. Handles requests from end-user b. Takes decision whether the data should be provided directly to the end user c. Neither a nor b d. Both a and b Correct Answer: d. Both a and b What is the other term for fog computing? a. Foglog b. Cloud c. Dew d. Fogging Correct Answer: d. Fogging Fog computing is an intermediate layer between __________ and __________. a. Dew and devices b. Cloud and devices c. Cloud and server d. None of these Correct Answer: b. Cloud and devices Bandwidth refers to the bit-rate of data during analysis. a. True b. False Correct Answer: b. False Which of the following is used by the fog applications to increase the speed of service accessibility? a. Low power b. Good network connection c. Accelerators d. Analytics Correct Answer: c. Accelerators The IPv4 notation uses __________ number of bits to represent an address. a. 33 b. 32 c. Both (a) and (b) d. Neither (a) nor (b) Correct Answer: b. 32 Smart city is an _____________ system. a. local b. rural c. home d. urban Correct Answer: d. urban Which of the following is an area of focus in smart parking lots? a. Auto-routing of vehicles b. Auto-charging of vehicles c. Detection of slots in parking lots d. All of these Correct Answer: d. All of these Select the statement(s) that are true for smart health. Statement I: Smart health is low-cost and portable. Statement II: Smart health allows remote check-ups and diagnosis. Statement III: Smart health is effortless health monitoring. a. Statement I b. Statement II c. Statements I, II, and III d. None of these Correct Answer: c. Statements I, II, and III What refers to combining information from multiple sensor sources? a. Information Collection b. Multi-sensor deployment c. Multi-sensor dissemination d. Multi-sensor data fusion Correct Answer: d. Multi-sensor data fusion The ensemble of all the decisions occur at the __________. a. Feature level b. Decision level c. Pixel level d. All of these Correct Answer: b. Decision level The smart parking reduces traffic __________. a. mobility b. area c. analysis d. congestion Correct Answer: d. congestion Which of the following is the correct full form of DLNA Standards for HAN? a. Digital Lifestyle Network Alliance b. Digital Living Network Alliance c. Digital Lifestyle Network Algorithm d. None of these Correct Answer: b. Digital Living Network Alliance Which of the following is a type of sensing? a. Stationary b. Mobile c. Both a and b d. Neither a nor b Correct Answer: c. Both a and b Smart home infrastructure cannot include wireless devices. a. True b. False Correct Answer: b. False Which of the following is a layer of Zigbee? a. Physical layer b. MAC Layer c. Network Layer d. All of these Correct Answer: d. All of these Which of the following is a phase of ICV development? a. Based on 2G b. Based on 4G LTE c. Vehicles connected to cloud d. All of these Correct Answer: d. All of these What does the following line of code do? sudo apt-get install python-rpi.gpio a. It installs the Raspberry Pi GPIO library b. It installs the Python essentials for GPIO c. Both (a) and (b) d. Neither (a) nor (b) Correct Answer: a. It installs the Raspberry Pi GPIO library Which command Exits the nano editor? a. Ctrl + X b. Ctrl + O c. Ctrl + K d. None of these Correct Answer: a. Ctrl + X What does the following line of code do? GPIO.output(11,True) a. Sets GPIO 11 as output pin b. Turns on GPIO pin 11 c. Neither (a) nor (b) d. Both (a) and (b) Correct Answer: b. Turns on GPIO pin 11 What does the following line of code do? raspistill -o image.jpg a. Captures video feed b. Captures still image c. Both (a) and (b) d. None of these Correct Answer: b. Captures still image What are some of the other names of the smart grids? a. Energy internet b. Electricity with a hand c. Electrolyte d. All of these Correct Answer: a. Energy internet Smart Grid follows which type of flow of energy? a. Bidirectional b. Unidirectional c. Both a and b d. Neither a nor b Correct Answer: a. Bidirectional Which of the following is a benefit associated with smart grids for customers? a. Reduced transmission of electricity b. Higher electricity rates c. Less security d. Different pricing options Correct Answer: d. Different pricing options Which of the following is a property of smart grid related to power system efficiency? a. Power monitoring b. Asset Management c. Distribution automation d. All of these Correct Answer: d. All of these In ___________, a home can have power from distributed resources. a. Peaking b. Islanding c. Neither a nor b d. Both a and b Correct Answer: b. Islanding Which of the following aggregate the energy consumption or energy request of a certain geographical area? a. DAUs b. Meter Data Management System c. Buffer d. None of these Correct Answer: a. DAUs Which of the following statements are true about Dynamic System Attacks? Statement I: Replay attacks compromise sensors and monitor their outputs. Statement II: D-DIA can lead to a system collapse. Statement III: Covert attack is a closed-loop version of replay attacks. a. Statements I and II b. Statements I and III c. Statements II and III d. Statements I, II, and III Correct Answer: d. Statements I, II, and III ____________ is performed by compromising the availability of the grid component. a. Gateway b. Data injection attacks c. AMH d. Denial of service Correct Answer: d. Denial of service Internet evolution and automation happened in the _______ Revolution. a. 1st b. 2nd c. 3rd d. 4th Correct Answer: c. 3rd Which of the following is used to improve the interoperability of different systems? a. Standardization b. Optimization c. Monitoring d. None of these Correct Answer: a. Standardization Big data is characterized by 7 Vs. a. True b. False Correct Answer: a. True What is Hadoop used in? a. Distributed processing of large datasets b. Small clusters of computers c. Both a and b d. Neither a nor b Correct Answer: a. Distributed processing of large datasets Which of the following is a property of V2X? a. Restricted to a single source b. Distributed architecture c. Both a and b d. Neither a nor b Correct Answer: b. Distributed architecture The vehicles cannot be mobile in the Ad-hoc domain of VANET. a. True b. False Correct Answer: b. False Which of the following is a domain of VANET? a. In-vehicle b. Ad-hoc c. Both a and b d. Neither a nor b Correct Answer: c. Both a and b Qualitative analysis does not deal with the analysis of data that is categorical in nature. a. True b. False Correct Answer: b. False Examples of dispersion measures include _______ and ______. a. Discrete, categorical b. Continuous, quantitative c. Discrete, quantitative d. Range, Variance Correct Answer: d. Range, Variance Select the statement(s) that denote the key variables of determining statistical significance. Statement I: Range size Statement II: Effect size Statement III: Sample size a. Statement I b. Statement I and II c. Statements II and III d. None of these Correct Answer: c. Statements II and III The different objectives of AgriSens include: a. More yields with less water b. Save limited water resources c. Automatic irrigation d. All of these Correct Answer: d. All of these The two most relevant sensors directly used in agriculture are __________. a. Soil moisture and ECG sensor b. Soil moisture and water level sensor c. ECG sensor and water level sensor d. All of these Correct Answer: b. Soil moisture and water level sensor The integrated design of the remote server includes __________. a. Data server b. Web server c. Multi-user server d. All of these Correct Answer: d. All of these Select the correct order of the component layers present in IoT healthcare. a. Sensing layer, cloud platform layer, aggregated layer, processing layer Answer: (details not complete in visible text) Which of the following is a key challenge in implementing IoT in remote agricultural settings? a. Lack of connectivity b. Sensor cost c. Lack of technical expertise d. All of the above Correct Answer: d. All of the above In IoT-enabled agriculture, which technology is mainly used for connectivity in rural areas? a. Cellular networks b. Zigbee c. LoRaWAN d. Wi-Fi Correct Answer: c. LoRaWAN What is one primary use of data analytics in IoT-enabled agriculture? a. Autonomous irrigation b. Weather forecasting c. Pest detection d. Crop yield prediction Correct Answer: d. Crop yield prediction Which IoT component is most commonly used to gather soil data? a. Temperature sensor b. Humidity sensor c. Soil moisture sensor d. Light sensor Correct Answer: c. Soil moisture sensor Which layer in the IoT architecture is responsible for data aggregation? a. Application layer b. Network layer c. Perception layer d. Middleware layer Correct Answer: d. Middleware layer The Internet of Things (IoT) typically connects devices using which type of network? a. Star network b. Mesh network c. Bus network d. Ring network Correct Answer: b. Mesh network What is a major benefit of using drones in agriculture? a. Weed control b. Soil sampling c. Aerial imaging d. All of the above Correct Answer: d. All of the above Which IoT-based technology assists in mapping crop health from the sky? a. GPS b. UAVs c. RFID d. None of these Correct Answer: b. UAVs