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WorksheetsIoT_Midterm
Total questions: 60
Worksheet time: 34mins
What is the primary purpose of the Internet of Things (IoT)?
To connect people through social media platforms
To digitize aspects of our lives for actionable insights
To link things with automated systems
To increase internet speed for consumers
According to the statistics, how many IoT devices are forecast to be in use across all relevant industries by 2030?
More than 8 billion
Approximately 5 billion
Less than 1 billion
More than 50 billion
Which of the following is NOT a top industry where IoT systems contribute significantly?
Environmental controls
Transportation
Education
Agriculture
What is a key characteristic of smart devices in relation to their programming and data processing?
They can only follow pre-programmed instructions
They require constant human supervision
They can evaluate data and modify processes
They are only capable of learning from new data
In the context of networking, what does WAN stand for?
(a)
The primary function of this device in an IoT system is to transform electrical input into physical action.
(a)
T/F: Personal Area Network is NOT a typical network in IoT.
True
False
T/F: The main concept behind Intent-Based Networking (IBN) is to automate network configuration based on defined business intents.
True
False
How does the IoT benefit retailers?
By targeting marketing and products
By eliminating the need for physical stores
By decreasing the cost of products
By increasing the number of customers
What is a key consideration when connecting IoT devices in remote locations?
Maximizing power consumption
Using only wired connections
Optimizing low power consumption
To illustrate (a) is the primary purpose of a flowchart in programming.
Which of the following describes system software?
Software designed for specific tasks
Software that manages computer hardware
Software that creates user interfaces
Software that runs application software only
What is the main characteristic of Big Data regarding volume?
Large amounts of data requiring minimal storage
Data that is easy to process
Large amounts of data requiring significant storage
Data generated at a slow pace
Which of the following is main source of Big Data?
Social
Machine
System Logs
Transaction
What is an initial version of a product in the context of product development?
(a)
How does the cloud assist businesses in managing data?
By eliminating the need for any physical storage
By keeping access to data anywhere and anytime
By ensuring all data is stored on-site and off-site
By requiring manual backups with security measures
What is the primary goal of data analytics in a business context?
To increase the amount of data collected from devices
To eliminate all data redundancy and unstructured data
To gain insights that improve products and services
To ensure data is always available and structured
Which of the following best defines automation?
A process that requires constant human oversight
A self-driven process that reduces human oversight
A method that requires constant human oversight
A type of process that increases human oversight
What is Hadoop primarily used for?
Managing user-friendly interfaces
Managing large datasets
Distributed processing of large datasets
Distributed files on a local computer
In the context of Machine Learning, what is the purpose of training a model?
To physically create the model and perform its task
To teach the model to improve its task performance
To teach the user how to use the model to perform its task
To physically create the model to improve its task performance
What is the method of connecting devices together?
(a)
Parallel cable is NOT a type of cable commonly used for interfacing IoT devices.
True
False
What is the primary function of a resistor in an electronic circuit?
To store electrical charge
To amplify electrical signals
To control the voltage
To resist light when current flows
Which component is described as a 'tiny switch that turns a current on or off when triggered by an electric signal'? The answer is (a) .
What is the main purpose of a breadboard in electronics?
To measure electrical current and voltage
To create permanent circuit connections
To build temporary circuits connections
To connect components to microcontrollers
Which of the following best describes a microcontroller?
A large, powerful computer for complex calculations
A small, low-cost microcomputer designed for specific tasks
A large, low-cost microcomputer for complex calculations
A small, powerful computer designed for specific tasks
What is the function of a voltage regulator in an Arduino board?
To regulate the current used by the components
To provide a clock signal for timing
To control the DC voltages used by the processor
To convert analog signals to digital
Which pin on an Arduino board can be used to power the board from an external power source?
(a)
The purpose of this pin on an Arduino board is to directly program the microcontroller.
(a)
In LED interfacing with Arduino, what is the typical purpose of the 220-ohm resistor?
To increase the brightness of the LED
To store electrical charge and release when short-circuit
To limit the current flowing through the LED
To amplify the signal from the Arduino
Which of the following is NOT a common type of sensor used in IoT?
Temperature sensor
Humidity sensor
Speed sensor
Pressure sensor
What is the primary function of IoT gateways?
To generate sensor data to cloud
To act as a mediating platform
To replace cloud computing
To directly interact with end-users
Which of the following is an example of IoT gateways?
Amazon Web Service
Microsoft Azure
D-Link WIFI Router
Google Thread
What technology is crucial for processing and analyzing massive amounts of data generated by IoT devices? (a)
Which of the following is NOT a typical feature of IoT mobile apps?
Hardware control
Remote access
Real-time censoring
Visualization
What is the main advantage of IPv6 for IoT?
Smaller storage space
Expanded address space
Slower data transmission
Higher security risk
Which big data technology is used for real-time data processing and analytics in IoT?
Apache Hadoop
Apache Spark
SQL databases
NoSQL
What is the primary role of cloud infrastructure in IoT architecture?
To replace sensors transmitting data directly to cloud
To eliminate the need for gateways communication
To provide storage capacity and computing power
To directly control IoT devices for better security
Which of the following is a benefit of using cloud infrastructure for IoT systems?
Increased hardware requirements
Possibility to scale
Lower maintenance costs
Requirements adaptability
What is the purpose of using NoSQL databases in IoT big data processing?
To eliminate the need for data analysis
To replace cloud storage entirely
To automate data visualization
To store and retrieve structured data only
Which of the following is NOT one of the three main types of IoT attacks?
Taking control of data
Stealing valuable information
Denial of service
Disruption of resources
Which IoT device is potentially vulnerable to remote control?
Smart door locks
Personal devices
Pacemakers
Beagle system
Who are described as the most common type of IoT attackers? (a)
Which of the following is NOT listed as a key challenge in IoT security?
Limited computational capabilities of IoT devices
Limited power in IoT devices
High energy consumption of IoT devices
Difficulty in adding extra security modules to small devices
T/F: Limited power in IoT devices is NOT mentioned as a central challenge to making IoT safer.
True
False
Which layer of IoT security includes physical security and chip security
(a)
What does the communication layer in IoT security primarily focus on?
Software security and data transmission
Hardware security and data transmission
Data analysis and data transmission
Risk assessment and data transmission
Which of the following is NOT mentioned as a technology for IoT security
IoT Network Security
IoT Authentication
IoT Decryption
IoT API Security
What is the purpose of IoT PKI (Public Key Infrastructure)?
To increase network speed and verify identity
To secure communication and verify identity
To improve power consumption and verify identity
To enhance user interface and verify identity
Which technology focuses on securing the interfaces through which IoT devices communicate with other devices, services, or cloud platforms?
(a)
What is the primary purpose of IoT communication?
To link IoT devices, gateways, and cloud platforms
To replace traditional internet protocols and transport control
To eliminate the need for human intervention in device management
To decrease power consumption in smart devices
Which of the following is NOT a category of IoT communication technologies based on range and connection types?
Non-IP-based Wireless Personal Area Networks (WPAN)
IP-based Wireless Personal Area Networks (WPAN)
Wireless Personal Area Networks (WPAN)
Wireless Local Area Networks (WLAN)
What is a key characteristic of Non-IP-based WPAN technologies like ZigBee and Z-Wave?
High bandwidth capabilities
Long-range communication
Direct IP communication
Optimizing low energy and cost
Which technology is used for wide-area networking with low data rates and long ranges?
(a)
What is the main advantage of IP-based networks such as Wi-Fi in IoT applications?
Lower power consumption
Higher bandwidth for data transmission
Simplified network topology
Reduced interference from other devices
Which protocol is a high-speed data bus for intelligent machines?
(a)
What is the primary focus of the AMQP protocol in IoT communication?
Gathering data from devices and relaying it to servers
Effective for human-device interaction
Queuing system for server-to-server communication
A high-speed data bus for intelligent machines
Which IoT communication protocol is best suited for human-device communication?
(a)
What is a key feature of the DDS protocol in IoT communication?
It's optimized for low-power devices
It focuses on server-to-server communication
It sends millions of messages to many receivers
It's primarily used for text messaging between users
T/F: Networks such as 802.15 provide higher bandwidth for data transmission and are commonly used in more data-intensive applications, including home automation systems?
True
False
