Internet of Things (IOT102) Practice Test

These questions are part of the practice quiz. Start practicing

• Which characteristic of IPv6 makes it particularly suitable for IoT devices with limited processing power?
• In a layered communications model, peers can send messages to which peers?
• Which possibility is highest contributor to cost overhead for manufacturing facilities?
• Which of the following is a commonly cited purpose of using intermediaries in auctions?
• What is one key advantage of a closed-loop feedback system?
• Which technology is used as a visual programming tool to create a program by connecting colored blocks?
• Which factor most challenges scaling IoT networks due to interoperability?
• Which function in Arduino is used to start serial communication over the COM port?
• Which digital pins can be used in Arduino Nano/Uno to provide an interrupt?
• Which IoT-related challenge concerns reliable bidirectional signaling among devices?
• Which is NOT an example of a user interface?
• Which statement best describes a blog?
• In the reticulation (water irrigation) system, what type of device is the outdoor camera?
• In IoT networks we are looking for which statement?
• A 47 Kohm resistor would have which colours on its first three bands?
• Which network type is formed by IoT devices without fixed infrastructure?
• Which feature on a microcontroller is particularly important for controlling servo motors with precise position?
• PID is a form of control with 3 feedback methods: Proportional, Integral, and Derivative. What is the purpose of each term?
• Which technology is most suitable for a low-power, long-range IoT sensor node?
• NFC range is less than how many centimeters?
• What are the two main types of Arduino pins?
• Which component is used to provide IoT sensors access to the network?
• In the code snippet switch (2) { case 1: digitalWrite(11,HIGH); case 2: analogRead(A3) }, which action occurs?
• As in e-commerce, m-commerce B2C applications are concentrated in each of the following areas EXCEPT:
• A major shortcoming with authentication services is which?
• Which two functions does the Arduino IDE have in a sketch?
• Which is the future application of IoT?
• In IoT architecture, which function best describes the controller?
• What is the typical role of a smart sensor in an IoT system?
• A major block in the widespread implementation of collaborative commerce is:
• Which is one of the ways IoT monitoring of dairy cows improves dairy farming?
• Which statement best describes how IoT monitoring of dairy cows improves dairy farming?
• IoT interactions occur over which network configurations?
• What is the role of the void keyword in function declarations?
• An automatic telephone switch has which of the following?
• Which technology provides encrypted remote access to the corporate network when traveling with a laptop?
• Which board would be the least suitable for sewing into clothing?
• In IoT deployments, embedded devices and objects are typically constrained in what context?
• What type of device is the water valve? (sơ đồ)
• Which IoT category is typically used for business-to-consumer processes?
• Which of the following is not an example of e-government?
• A computer system that permits multiple users to run programs at the same time is called which?
• What does this syntax mean? myservo.attach(9)
• The combination of a transducer with its signal conditioner is called a _____?
• In an IoT smart home setup requiring high data rate, which wireless technology is most suitable to connect sensors and the internet gateway?
• Which technology has intelligence that is demonstrated by machines in a way that mimics human cognitive functions?
• Which device measures angular rate around three axes?
• Which IP protocol family uses a 128-bit address space?
• Which statement best describes a geographical information system's function?
• True or false? With artificial intelligence, smart devices can modify processes and settings on the fly in response to changes on the network.
• Why do many IoT devices raise data security concerns?
• What is the nominal voltage of 6 AAA batteries connected in parallel?
• Which sentence could be a line of programming code?
• NFC stands for ________.
• Malicious web pages often impersonate which types of institutions?
• What are the two things that all digital devices need in order to work?
• Which type of pin is used for reading varying voltage levels on Arduino?
• How can IoT data accumulation raise privacy concerns?
• Which platform is open source and designed for sensors and controlling physical objects?
• Which of the following is NOT a criterion for selecting a wired communication protocol?
• RS-232 is used for ______ communication transmission of data.
• A ______ is suitable for mobile users who need to make very short-range device-to-device wireless connections within a small space, such as a single room, and most commonly with Bluetooth.
• An unsigned 1-byte data type can represent which range of integers?
• ________ a cellular network is expensive, especially with many IoT devices.
• Which technology among the following is listed as a long-range wireless option for IoT?
• Which example best illustrates machine-to-machine (M2M) communication in IoT?
• _______ are used to overcome the challenges of managing the resources of the IoT.
• ________ empowers IoT by bringing together everyday objects.
• Which factor is highlighted as a major contributor to overhead costs in manufacturing facilities?
• The combination of conditioning plus the element being controlled by the computer is called a _____?
• Digital Signature is
• A vacuum cleaner has a maximum power consumption of 1000 W and is powered by 240 Volts. What is the current used?
• Which technology is a subset of AI that focuses on learning from data?
• In a communications network, peers can send messages to:
• Which statement best describes a data security concern of IoT devices?
• Block diagram components may represent either individual components or complete subsystems.
• What does Pico-Power indicate in the ATmega328p designation?
• Which is not typically offered by an IoT cloud platform?
• Bipolar Junction Transistors (BJTs) are widely used in modern digital electronics because they consume a negligible amount of current during transitions.
• To achieve temperature measurement accuracy of 0.1°C over a range of 100°C, which ADC resolution is required?
• Morse communications sends characters at relatively slow rates. Which rate is indicated in the material?
• This shows you what line number your cursor is on. It is useful since the compiler gives error messages with a line number.
• Voice telephony is an efficient means of communication with machines that can listen.
• Which term describes an open source ecosystem for big data management and processing?
• The concept of electronic cash is to execute payment by which method?
• Which component provides the means to create a true awareness of the physical world and people in IoT?
• Which sensor technology is commonly used to measure mechanical strain or deflection in structures such as concrete beams?
• Which statement best describes an IoT gateway?
• In the diagram, what type of devices are the power supplies?
• To increase the current through a resistor, which action would be effective?
• A photoresistor is an electronic component whose electrical resistance _______ when it is exposed to light.
• In an intent-based network, which statement best describes end-to-end verification?
• Which option best describes Hadoop?
• The number of devices that need to be managed and that communicate with each other will be much larger.
• A chemical manufacturer has transactions that are predominantly which type of business relationship?
• Which protocol suite forms the backbone of Internet communications?
• Which of these media is currently NOT used in communicating data?
• Which two areas are commonly cited as parts of physical security?
• Phones act as actuators too.
• Bluetooth is named after:
• When evaluating VPN services, which factors are most important?
• I2C simplifies the interconnection of components in a PCB.
• Which of the following function is used to set any pin in the state of HIGH/LOW ?
• How many bits are in an IPv4 address?
• The combination of conditioning plus the element being controlled by the computer is called a __________.
• Which disruption associated with fully autonomous vehicles was rated as the most worrying by survey respondents?
• To achieve intelligent device-to-device communication, devices require which of the following?
• In an Arduino sketch, which function is executed once when the board starts up?
• In a simple IoT diagram, what type of device is a door alarm?
• Transducers change one of their properties in response to changes in the environment.
• What type of actuator would you typically use to move a conveyor belt?
• How many bits are there in a byte?
• Which of the following is true about RFID tags in tracking items?
• In IoT, M2M describes devices communicating automatically without human intervention. Which option best matches this definition?
• One advantage of a closed loop feedback system is:
• Which statement best aligns with how IoT can help reduce energy use?
• What microcontroller is used in the Arduino Uno board?
• Which scenario best illustrates machine-to-machine communication in an IoT system?
• IoT operates at __________ scale.
• Which pin is used to read an analog value in the provided example?
• Which color is used to denote the digit 7 in resistor color code?
• Which statement is true about ZigBee networks?
• Which of the following best describes ZigBee's typical characteristics?
• Which statement best describes a Local Area Network (LAN)?
• Which of the following illustrates a gateway's data handling capability before transmission?
• What type of data does IoT primarily collect?
• In resistor color coding, which color represents the digit 6?
• In an industrial fan maintenance context, which physical change might a sensor detect, measure, and transmit?
• Secret-key encryption is also known as.
• When you have a potential IoT idea you want to develop properly, what must you first define?
• What is Tinkercad Circuits?
• P2P systems have all of the following key characteristics NOT a feature?
• How has e-commerce revolutionized business?
• Smart cities use the Internet of Things to improve the quality of citizens' lives.
• Which term describes a computer system capable of integrating, storing, editing, analyzing, sharing, and displaying spatial information?
• Which Arduino function is commonly used to pause execution for a short period?
• Which category is typically associated with consumer-facing, wearable and home IoT devices?
• The void keyword indicates that the function is expected to return no information to its caller.
• In resistor color code, what digit does the black color band represent?
• Which phases are included in the mercantile process model?
• Which sensor measures acceleration along three axes?
• Which Arduino-compatible board is designed to be sewn into clothing?
• In an IoT smart home system, sensors require high data rate and a central Internet connection. Which option should be used to connect sensors to each other and to the Internet hub?
• From the following, which technology is commonly used for long-range IoT communications?
• Which situation triggers the serialEvent() interrupt?
• Which identifier is commonly used to distinguish devices connected to the Internet?
• Gateways can be configured to perform pre-processing of the collected data from thousands of sensors locally before transmitting it to the next stage. Which of the following best reflects this statement?
• What is the role of communication protocol in IoT?
• Which IoT challenge involves detecting whether devices or sensors are present on the network?
• In the context of servo control, the instruction myservo.attach(9) connects a servo to which pin type?
• In remote control terms, IR stands for what?
• Which device provides auto-discovery services for smart devices connected to a home network?
• Cloud computing reduces the need for on-site maintenance and management.
• WiMax and 3G wireless mobile technologies offer telemedicine application opportunities that include all of the following EXCEPT.
• What are the two requirements to connect a smart device to a home wireless network?
• LM35 provides _______ Volt for each degree count?
• Which of the following IP addresses is invalid due to an octet exceeding 255?
• What is the popular method of organizing wireless network topologies?
• In IoT readiness planning, which type of testing demonstrates the benefits of networking a new 'thing' before it is on the network?
• Which statement best describes the 'things' in the Internet of Things?
• Which option is not considered a major component of the Internet of Things?
• Long-distance radio transmissions use high power energy measured in which unit?
• Which smartphone sensor measures orientation and rotation?
• Which statement best describes Collaborative Planning, Forecasting, and Replenishment (CPFR)?
• When selecting a controller to drive a servo motor, which hardware feature is essential?
• DNS is which type of naming system?
• Which word or phrase most accurately sums up the main benefit of IoT technology?
• What type of network is the connection between a Bluetooth headset and a vehicle?
• In IoT terminology, what does the term end device typically refer to?
• Which of the following is NOT a potential benefit from auctions to sellers?
• What does GPIO stand for?
• Which of the following describes the payment options supported for online consumers?
• Which of the following is NOT a characteristic studied in EC Consumer Behavior Model?
• A resistor's first three colour bands are red, yellow and black. What is its value?
• How many analog pins on an Arduino Uno board?
• NFC stands for Near Field Communication, which is reflected in which option arrangement?
• For a fixed resistor, increasing current requires increasing which quantity?
• Which term is used to describe analyzing strengths, weaknesses, opportunities, and threats?
• Which characteristic involves the facility the thing to respond in an intelligent way to a particular situation?
• Which of the following describes the data generated by social media, audio files, and webpages?
• Which statement about diodes is false?
• Which Arduino function is used to configure a pin's mode (for example INPUT or OUTPUT)?
• Most universities use e-learning:
• The concept of electronic cash is to execute payment by which method?
• ________ will enable the humans to access, control and manage the operation.
• Which network characteristic is described as present in IoT environments due to multiple types interacting?
• Which technology enables high data rate wireless communication in home networks?
• Resource management will elaborate the key aspects of _________
• What data security concerns do IoT devices pose?
• In the gate/dairy example, which device is used to detect the identity of a cow?
• Which Bluetooth class provides the longest maximum transmission range?
• NFC has a low transmission capacity.
• The services provided through location-based m-commerce focus on key factors which include all of the following EXCEPT:
• Which digit does the color orange denote on a resistor colour band?
• ZigBee relies on which IEEE 802.x standard?
• A function is a series of programming statements that can be called by name. Which command is called once when the program starts?
• IoT network power usage: which statement is true?
• Which criterion can be used to determine the best chart selection when visualizing data?
• How do you zoom in on Tinkercad?
• Which statement best describes a privacy risk when IoT devices collect data?
• Which protocol is suitable for IoT devices with restricted power and low data rates over a range of a few kilometres?
• Which component converts a sensor's output into digital data for processing?
• Which term best captures the main benefit of IoT technology?
• Which of the following is NOT a typical data centre service function?
• What is the primary function of an actuator in an IoT system?
• Which device is often to be attacked in an IoT system?
• PAN stands for what in networking?
• All of the following about RFID are true EXCEPT:
• In control terminology, a device that converts electrical control signals into physical movement is called an ______.
• LM35 outputs a voltage proportional to temperature.
• Which medium is not currently used for data communication?
• What is the size of EEPROM on the Arduino UNO?
• Which data type would typically be considered personally identifiable information (PII)?
• Without __________ IoT devices can easily lead to catastrophe.
• Which of the following is an example of edutainment?
• Which term describes the capability of connecting devices to the Internet?
• Which factor most explains why IoT devices can be vulnerable to data theft?
• In master-slave networks, the master can listen to only one slave at a time.
• Which item represents a technology constraint from the e-commerce macro-environment?
• Which statement best defines a transducer in sensor systems?
• In the same diagram, what type of device is the moisture detector?
• What is the purpose of data analytics?
• Which description best matches a blog's purpose?
• What is an open source physical computing platform that can take input from a variety of switches or sensors to control physical objects?
• Which term refers to the excitation or stimulus applied to a system from an external source to generate an output?
• Which statement describes a goal of knowledge management?
• Which term describes a field in which machines perform tasks that typically require human intelligence?
• In control system terminology, which signal is used to drive the system to produce an output?
• The maximum number of IPv6 addresses is:
• In the motor circuit example, what voltage does the battery provide to the motor?
• What is the primary purpose of encryption in IoT communications?
• Which factor is explicitly listed as a consideration when evaluating IoT wireless technologies in the material?
• Communication between ________ and ________ is encrypted for security.
• Which knowledge management concept involves using computer-based tools and techniques to analyze transaction data and generate new ideas?
• In IoT, which term describes the variation in hardware platforms and networks across devices?
• Which component is a sensor?
• IoT networks must be standard, because?
• Data collected from webpages, audio, or tweets is categorized as what type of data?
• According to the discussion, IoT wireless technologies have pros and cons in terms of which aspects?
• What type of device is the rain detector?
• How many PWM pins are present in the Arduino UNO?
• Which statement about blogs is not true?
• Which statement best describes the role of sensors in IoT?
• __________ layer is the communication layer that connects the IoT devices with WAN.
• Which Arduino-compatible platform would be most appropriate for wearable electronics that can be sewn into fabric?
• Which color represents the digit 1 in resistor color code?
• What is Fog computing?
• In a typical IoT system diagram, what type of device is the outdoor camera?
• What is a key benefit of cloud computing?
• Which three attributes indicate that data may be considered big data?
• Which sensor is LM35?
• Which of the following is an example of a closed loop system?
• The wireless technology that does not belong in a home area network is:
• If many devices share the same set of wires, this connection mode is called a ________.
• Which statement correctly describes microcontroller units (MCUs)?
• Which statement best describes the relationship between bandwidth and data throughput?
• One way to share information with supply chain partners is wireless _________, which is the science of measuring physical phenomena such as temperature, volume, or an on/off condition at a remote point and transmitting the value to a distant recorder or observer.
• What is the main purpose of the SRF05 sensor?
• An IoT gateway device bridges the communication gap between: Which one is wrong?
• What best describes fog computing?
• Which mechanism protects private networks from outside attack?
• Which of the following is NOT typically a focus of m-commerce B2C applications?
• In E-Commerce, HTTPS is a communication protocol that uses which encryption method?
• What is used to uniquely identify devices connected to the Internet?
• Which command delays the LED by a number of milliseconds?
• IoT devices are naturally vulnerable to ________ threats.
• Which word best sums up the main benefit of IoT technology?
• Which statement best describes M2M in IoT?
• Fill in the blank: System ______ can be a major problem, especially in badly designed closed-loop systems, as they may try to over-correct any errors which could cause the system to lose control and oscillate.
• ________ are built into smoke alarms and thermostats or available as small plug-in modules.
• Which option would increase a radio channel's ability to carry signals?
• Which of the following is a typical advantage of using IPv6 in IoT deployments?
• Which actuator would you use to control the movement of a conveyor belt?
• Which strategic planning tool surveys external opportunities and threats and relates them to internal strengths and weaknesses?
• A message offering a free biscotti with any purchase illustrates which marketing approach?
• Digital Signature is defined as
• Which network category is most suitable for city-scale coverage?
• Which pin has a built-in LED on many Arduino boards?
• Bluetooth is designed for short-range communication.
• Which of the following is an LPWAN technology?
• Cloud computing is best described by which statement?
• Which attribute will impact power usage on an IoT device?
• Which function is used to delay execution for a number of milliseconds?
• Which of the following is NOT a criterion used to select a wired communication protocol?
• Is it useful completing a business plan for a personal or in-house IoT product?
• In IoT, which challenge corresponds to securing data and devices against unauthorized access?
• Which IPv4 address is in correct format?
• Which digit is represented by a blue band on a resistor?
• Bluetooth has three classes, namely:
• A DC motor requires a current of 10 Amperes to operate at full speed. The battery attached supplies 12 Volts. What resistance is required in the circuit to provide exactly 10 A to the motor?
• Bluetooth data transmission occurs within which frequency band?
• Which of the following is an example of an actuator?
• What is the primary advantage of edge data processing in IoT?
• Which of the following is NOT typically a data centre service function?
• Which statement correctly describes IPv6 address length relative to IPv4?
• CRM stands for what?
• Which challenge comes under securing the information?
• Which of the following is NOT a typical criterion when selecting a wired communication protocol?
• Which IoT category is commonly linked with industries such as manufacturing and logistics?
• Which IoT challenge is primarily concerned with energy usage of devices?
• Which statement describes the largest network in existence?
• Which of the following are standard network categories used in IoT?
• Which function clears (writes a 0 to) a bit in a numeric variable?
• Which scenario best fits ZigBee usage?
• Which phone sensor is commonly used to track physical activity for health apps?
• Which of the following data types would be classified as personally identifiable information (PII)?
• A 12 V source across a 6 ohm resistor yields what current?
• In data governance for IoT, which area focuses on ensuring data continues to be stored, managed, and accessible for analysis over time?
• Which one isn't key core principles of security for IoT gateway?
• Which term describes the tendency of a system to oscillate due to over-correction in control theory?
• Which set correctly lists the four IoT architecture layers?
• The embedded devices will form _______ network.
• In network terminology, a DTE is best thought of as which?
• Which statement describes the difference between normal devices and IoT devices?
• In Arduino sketches, which token is used to include external libraries?
• Which term describes the measurement of physical phenomena at a remote location and transmission to a distant recorder?
• Closed-loop systems use feedback to reduce errors and improve stability.
• Which sentence could be a line of programming code?
• What is an example of an external interrupt for the Arduino?
• Which technology is NOT mentioned as a low-power wireless technology used in IoT in the material?
• Which Arduino function runs repeatedly after setup in a continuous loop?
• Capacitors and inductors store energy.
• In programming, what is a function?
• When uploading a photo from your camera to a social media site, which path best describes the likely journey of the data?
• Which smartphone sensor collects information about physical activity for health apps?
• Which statement best describes the benefit of IPv6 addressing for IoT?
• Which statement about Arduino UNO PWM capability is true?
• Which description best describes the LoRa bandwidth and range in relation to physical limits and human limits?
• Which item is NOT a consumer characteristic in EC consumer behavior model?
• Which describes global variables in programming languages?
• Which of the following is NOT listed as a type of IoT network in the material?
• Which term describes the platform layer's responsibility in IoT architecture?
• _________ is particularly appealing when the human's hands or eyes are occupied.
• Wal-Mart and Levi Strauss collaborate on demand forecasting in order to optimize the flow of materials along the supply chain. This is an example of:
• Some devices share the same set of wires. This connection mode is referred to as a Bus.
• CSV, JSON, and XML are formats used to represent structured data.
• Which of these colours is NOT used in the resistor value colour code?
• If you connect a 12 V source through a 10 kΩ resistor divider with equal resistors, what is Vout?
• ________ Will reduces the cost of the devices.
• Which character is used to enclose a phrase or name in a search query to ensure exact matching?
• Which of the following describes automation features?
• Which scenario illustrates machine-to-machine (M2M) communication in the IoT?
• The method(s) of payment for online consumers are
• Complete the sentence: System ______ can be a major problem in badly designed closed-loop control systems.
• What type of device is the internet in a system taxonomy?
• What does PWM stand for?
• A B2B reverse auction is which of the following?
• Which category finds an increase in applications targeting health and fitness?
• Which statement best describes distributed processing?
• Voice recognition software and virtual assistant programs offer capabilities for
• In IoT developments, researchers are looking for devices with which characteristics?
• In electronic payments, does the server authenticate the customer and verify funds with the bank before completion?
• Fog computing is best described as
• Why will IoT put a strain on internet infrastructure?
• Which issues are considered in IoT?
• Which option correctly identifies the two areas of physical security referenced in practice?
• In IoT networking, why is WAN used?
• Which statement describes the use of a block-based visual programming tool in IoT prototyping?
• Infrared remote controls use what to carry signals between the remote control and the device it controls?
• With physical security, the stakes are incredibly which of the following?
• Which option best describes cloud services?
• If a city uses IoT to collect data from public infrastructure to improve services, which category does this best describe?
• What does PWM stand for in electronics?
• ZigBee is defined by which IEEE standard?
• Morse communication sends characters less than:
• IoT stands for __________
• Which statement about I2C is true?
• Which device is used to convert analog signals from sensors into digital values for computers?
• Which function initiates serial communication on the Arduino?
• In the diagram, what type of device is the CPU?
• Which statement is false about RFID?
• Which condition can cause a closed-loop system to oscillate?
• In programming, which construct repeats the execution of a specific block of code a fixed number of times?
• Which set correctly lists the four IoT architecture layers?
• The combination of a transducer and its signal conditioner is called a ______.
• To increase the current through a resistor, which action would you take?
• Which describes a defining architectural feature of fog computing?
• What is the role of an actuator in an IoT system?
• What type of device is the 100K resistor?
• Which two skills help with IoT prototyping?
• Which line of code begins the function that executes repeatedly in an Arduino sketch?
• In an IoT network, what is the role of a hub or router?
• In an industrial fan maintenance system, what physical change might a sensor detect?
• Which line of code represents a single line comment in Arduino C/C++?
• RS-232 offers the fastest throughput in wired communications over short distances.
• Which statement describes NAT's role in IPv4 networks?
• Which of the following is a true benefit of auctions to sellers?
• What is a security benefit of fog computing in IoT environments?
• Which statement about company-centric marketplaces is INCORRECT?
• Which description best defines a microcontroller?
• Which statement describes the time-varying nature of data in IoT?
• What is the most serious disadvantage of e-auctions?
• Before your program code can be sent to the board, the code is converted into instructions the board understands. This process is called...
• In an IoT smart home, which option provides the best high data rate connection for sensors and Internet access?
• Infrastructures that 'support' the wireless connection are:
• Fritzing is open source, free software.
• Which function is used to read input from the user in an Arduino sketch?
• What identification standard identifies the manufacturer, producer, version, and serial number of each item and does not require line-of-sight to read?
• To send signals via radio channels, you should either:
• On a breadboard, where do you put a DIP package?
• One advantage of a closed loop feedback system is:
• Which statement about a microcontroller is most accurate?
• In a DC motor circuit, a 12-volt battery delivers 10 amperes to the motor. What resistance is required to provide exactly 10 A?
• Which statement best describes the purpose of the pinMode function?
• On a resistor color code, what digit does the color yellow represent?
• From the listed options, which technology is the LPWAN option?
• What is a key feature of the assurance element of the intent-based networking model?
• What is the primary reason IoT is expected to strain internet infrastructure?
• Which device is commonly used to shield private networks from external attacks?
• Which IoT category is used in the context of connected cars?
• What does the 'things' in Internet of Things refer to?
• Which statement best differentiates fog computing from traditional cloud computing?
• A program written with the Arduino IDE is called a __________.
• How many digital pins are available on the Arduino UNO board?
• Which term best describes IoT deployment size as devices increase?
• Which term best describes grouping nodes to manage wireless networks?
• Which set of terms represents the Big Data descriptors as coined by IBM?
• Which statement best describes a data security concern associated with IoT devices?
• Which topic is highlighted as a key future focus for IoT, focusing on sustainability?
• Managing of resources can be done by implementing ________
• It is safe to use public Wi‑Fi hotspots if you are connected to
• Arduino shields are also called __________.
• Which of the following is a valid IPv4 address?
• Which statements describe Python?
• In an automated dairy gate system, which component functions as the actuator to move the gate?
• Which IoT category could be used by citizens to contribute to a smart city?
• Bluetooth naming origin includes Harald Bluetooth, a Danish king who promoted cross-border communication. Which statement is true regarding this naming?
• Which statement is NOT a reason to use intermediaries or trading assistants for e-auctions?
• Which visual programming environment uses blocks to build programs?
• Which tool would you use to view real-time data sent from the microcontroller over USB?
• Which sensor could be used to determine that an airplane is in cruise mode rather than takeoff or landing?
• Which of the following describes the software or programming language used to program Arduino?
• Which protocol is suitable for communication of IoT devices with restricted power and low data rates over a range of a few kilometres?
• What term describes a technology that interconnects multiple computers over short distances?
• The correct definition for bandwidth is:
• Which feature should you include on a microcontroller to drive a servo motor?
• The Arduino's UART interface is primarily used for
• Which network category is ideal for very short-range communications among devices, typically using Bluetooth?
• In the part number ATmega328p, what does the p refer to?
• In the IoT process example, which parts require programming?
• Bluetooth transmission typically drains device battery life.
• A transducer in IoT typically converts physical signals to electrical signals.
• Which frequency is commonly used by WiFi networks in the 2.4 GHz band?
• Which statement best reflects standardization in IoT networks?
• LoRa technology is described as having which combination of bandwidth and range?
• What is the purpose of Packet Tracer?
• Which of the following is a protocol optimized for long-range, low-power IoT communication?
• What is the main advantage of IPv6, and why does it suit IoT?
• In a simple IoT diagram, the garden light is classified as an _____?
• Which is the correct syntax to configure a digital pin (D2) as an OUTPUT?
• More and more people are willing to pay for digital music, as shown by the success of ________.
• IEEE 802.11 WLAN specifications include operation in which bands?
• Which of the following is NOT a standard used in E-Commerce?
• Which IoT challenge arises when many devices are connected on the same network?
• Which of the following is NOT a security measure?
• Which statement about bandwidth and range is incorrect?
• Bluetooth uses low power radio waves in which frequency range?
• A closed-loop control system typically works best because it can respond to disturbances by adjusting its output.
• How many bytes does an IPv4 address have?
• Bluetooth has three classes, namely:
• Which IoT category focuses on coordinating multiple users or devices across groups for shared services?
• IoT gateways perform several critical functions such as: Which one is wrong?
• What does the line // loop function runs over and over again forever describe?
• Which term describes the formal process of defining security rules and expectations within an organization?
• Which statement best describes the gateway's bridging role in an IoT system?
• Which technology is widely used to communicate IoT devices over short distances?
• In a common transistor switch configuration, what is the typical VCE(sat) voltage when the transistor is saturated?
• System stability can be a major problem in badly designed closed-loop systems.
• Which of the following is NOT electronic equipment you can use for IoT prototyping?
• Which data type is an unsigned 1-byte type that stores values from 0 to 255?
• Which protocol enables a program on one computer to execute a program on a server computer?
• Which possibility ensures load balancing and peak levelling of energy consumption?
• When you upload a photo from your camera to a social media site, which data path is most likely used?
• A heater coil has a resistance of 10 ohms and is supplied with 120 volts. What is the current?
• When you have a potential IoT idea you want to develop properly, what must you first define?
• In long-distance radio transmissions, power is described in which unit?
• Which character is used in search queries to enclose a name or phrase for exact matching?
• Which Arduino function is called only once at program start?
• Which set of terms describes IBM's Big Data descriptors?
• BAN stands for ________.
• Which statement about Bluetooth class ranges is correct?
• What is the core component of intent-based networking?
• Which wireless technology would you choose for a high-data-rate home network to connect sensors to the Internet?
• In an IoT process, where is programming typically required for the system to be Internet of Things?
• A company requires using a secure encrypted Internet connection when connecting to the corporate network from outside the company. Which technology should be used when employees travel and use a laptop?
• If communication to multiple slave subsystems is required, which protocol would be suitable?
• In a network, what is the primary function of the communication medium?
• What does DTE stand for in telecommunications?
• To measure the temperature to within 0.1 degree Celsius, over a range of 100 degrees, our development board would need a ____________ converter to meet that requirement for accuracy.
• Which of the following is a kind of actuator?
• In CRM, which activity is foundational?
• Which color represents the digit 2?
• The huge numbers of devices connected to the Internet of Things have to communicate automatically, not via humans. What is this called?
• In networking terms, ZigBee is primarily used for what type of network?
• Which statement about IPv6 benefits is incorrect?
• Which of the following is NOT considered a security measure?
• True or False: Each computer has its own Internet search engine.
• What is used to uniquely identify devices connected to the Internet?
• Bluetooth is named after:
• A B2B reverse auction is which of the following?
• A heater coil has resistance 10 ohms and is supplied with 120 V. What is the current?
• If a servo motor is included as an actuator, which microcontroller feature should be included?
• Which color represents the digit 6 in the resistor colour code?
• What type of networks is interacting under IoT?
• Which measure reduces the generation of heat inside a computer?
• Bluetooth is used for which type of devices given its power and bandwidth characteristics?
• Which type of network consists of wired computers in a college classroom?
• Which technology is a subset of AI that uses statistical techniques to enable computers to learn from collected data?
• Which statement is incorrect regarding cloud and IoT cloud?
• Which control structure executes a block of code while a condition is true?
• Which task is NOT part of knowledge management?
• Which component is used to sense environmental data in IoT?
• To send signals via radio stations channels, you should either:
• In the dairy gate example, which component is used to identify the cow via ID?
• If a resistor has color bands red, red, black, what is its value in ohms?
• Which statement describes a security benefit of fog computing?
• Which kind of network is designed for very short-range communication between personal devices such as headphones and phones?
• Which process yields efficiency gains across many types of equipment?
• Which statement best describes a security benefit of fog computing in IoT architecture?
• Which function is not typically provided by a data center's services?
• Which of the following is NOT a characteristic of semiconductors?
• IoT Network's need to use low power energy and to use high power energy is described as which option?
• Which network category is the broadest among the listed IoT networks?
• _____ work best with many buyers and many sellers?
• The collection of data is achieved with ________ changes.
• The object of IoT will be empowered by ___________ .
• Which term describes the excitation or stimulus applied to a system from an external source to generate an output?
• In a dairy gate system, which components act as actuators to direct a cow into a specific area?
• Which statement accurately describes RS-232?
• What are Things/devices in IoT?
• Regarding bandwidth and range, which statement is incorrect?
• Smart cities use the Internet of Things to improve the quality of citizens' lives. True or False?
• What is another way of thinking of the DTE?
• Which of the following disruptions caused by fully autonomous vehicles worried people the most?
• Which statement best describes programming in IoT as per the example?
• Which option best describes how the Internet of Things can help combat climate change?
• CRM systems primarily focus on which of the following?
• Which component is commonly described as providing the ability to sense the physical world in IoT?
• Which terminology deals with the excitation or stimulus applied to a system from an external source, for the generation of an output?
• Are VPNs legal?
• To measure the temperature of a solution within 0.1°C over a 100°C range, which converter resolution is required?
• In a network, data is carried via a ______.
• Which statement best describes Wi‑Fi?
• What is the AREF pin on the Arduino UNO used for?
• What security challenge arises when IoT devices are embedded into physical objects?
• Which feature improves online shopping convenience?
• All of the following about wireless wide area networks (WWAN) are true EXCEPT:
• Bandwidth is described as the width of the data path through which information travels. Which statement correctly describes the effect of increasing bandwidth?
• HTTPS in e-commerce uses which encryption approach?
• Which description best fits ZigBee devices?
• Which option describes bandwidth as used in wireless communications?
• Which security consideration is most important when evaluating VPN services?
• Which pins can the Arduino UNO board communicate with the computer?
• In _________ the embedded devices and objects working under IoT are resource constrained.
• What is the purpose of the ECHO pin on the HC-SR04 sensor?
• In an IoT system, a component that converts electrical energy into physical motion is called a:
• Blogs became very popular after September 11, 2001 for what reason?
• Which function in the Arduino IDE sets a pin to output or input state?
• What does the 'things' in Internet of Things refer to?
• Which statement is incorrect about cloud and IoT cloud?
• A _____ allows customers to continue browsing after selecting each item they wish to purchase.
• Which capability allows users to access, control, and manage IoT-enabled operations?
• Which requires data stream management?
• A photoresistor is described as whose electrical resistance _______ when exposed to light.
• Which technology is described as being closest to the standard of mobile technology?
• How does the addition of data due to IoT create privacy issues?
• When current flows through a resistor, heat is produced. Which measure best reduces heat inside a computer?
• Which of these media is currently NOT used in communicating data?
• Which statement about instrumentation amplifiers is true?
• Which of the following is an LPWAN technology?
• Which technology is described as being closer to mobile technology standards in IoT discussions?
• What is the main advantage of IPv6, and why does it suit IoT?
• In IoT architecture, which component is typically responsible for local processing and decision logic?
• DNS is which type of naming system?
• If you plan to drive a servo motor with a microcontroller, which hardware feature should you ensure is available?
• Which possibility connects the production line to suppliers?
• How can IoT help combat climate change?
• What is an example of cloud computing?
• In NFC technology, which description best matches its bandwidth and range characteristics?
• Before purchasing a gateway device you should consider all of the following except which?
• Infrared signals can be used for ______.
• ZigBee is an IEEE 802.15.4-based specification for a suite of high-level communication protocols used to create PANs with small, low-power radios. Which statement is true?
• Relays are which type of device in IoT systems?
• Which of the following describes the SRF05 module's function in projects?
• What is the primary role of sensors in IoT?
• Bluetooth uses low power radio waves in the frequency range of:
• This shows you what the IDE is currently doing and is also where error messages display if you make a mistake in typing your program.
• Which statement about blogs is true?
• Which layer is responsible for end-to-end communication between IoT devices and wide area networks?
• In resistor color coding, which color represents a multiplier of 10^0?
• Which statement best describes IoT cloud architecture in terms of device and data management?
• An uptime figure of 99 percent for a service provider most directly points to which issue area?
• Infrared signals are used for which type of communication range?
• IoT is a paradigm that involves ubiquitous presence in the environment.
• The maximum number of IPv4 addresses is:
• What security practice involves defining company rules, job duties, and expectations?
• Which term best describes data produced by devices and sensors in an IoT system?
• In the motor example, a 12-volt supply delivering 10 amperes results in how much power drawn from the supply?
• Which color represents the digit 9 in resistor color code?
• In networking, data is carried via a __________.