Introduction to IoT (Version 2) Final Exam Answers

Introduction to the Internet of Things ( Version 2) – Introduction to IoT: Final Exam Answers

Introduction to the Internet of Things and Digital Transformation Final Exam Answers

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1. What are two characteristics of the Python programming language? (Choose two.)

It only runs in the interactive mode.
It uses the & symbol to indicate that the interactive mode is ready to accept commands.
The code is easy to read.
It requires a compiler to be installed.
It runs without conversion to machine-language.

Explanation: A compiled computer language is a computer language that compiles its programs into a set of machine-language instructions, whereas an interpreted programming language allows for an interpretation of the instructions directly without first compiling them into machine language.

2. What is the core component of Intent-Based Networking?

artificial intelligence
fog computing
the internet
the cloud

Explanation: Refer to curriculum topic: 1.2.2
Artificial intelligence will allow Intent-Based Networking to automatically configure network device across the network to fulfill network requirements based on the intent of those requirements.

3. Which statement describes global variables in programming languages?

They can be used within any function of a program.
They are declared within a function.
They cannot be used within any functions in a program.
They can only be used within the function they are declared.

Explanation: Global variables are variables that are in the scope for the time of the execution of the program, whereas local variables are within the scope of a program, function, or procedure.

4. What is the largest network in existence?

a PAN
a WAN
the fog
the internet

Explanation: The internet provides the “electronic skin” that surrounds the planet to connect electronic devices and people to data and each other.

5. How is data that has been collected through sources such as web pages, audio, or tweets categorized?

unstructured data
raw data
application data
structured data

Explanation: Collected data is categorized as either structured or unstructured data. Structured data is created by applications that use ‘fixed’ format input such as spreadsheets. Unstructured data is generated in ‘freeform’ style such tweets, audio/video files or web pages.

6. 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?

VPN
Siri
Bluetooth
Wi-Fi hotspot

Explanation: A virtual private network (VPN) should be used when connecting to a non-personal Wi-Fi network so that others that use the same network cannot eavesdrop on web traffic.

7. Which technology has the intelligence that is demonstrated by machines in a way that mimics human cognitive functions?

Explanation: Artificial intelligence (AI) allows devices to make a decision based on input data. A comma-separated values (CSV) file contains a table of data that is easily imported. Intent-based networking (IBN) uses AI and machine learning (ML) to control the function of a network to accomplish a specific purpose. Machine language is a subset of AI that allow computers to “learn” from their environment by using statistical data.

8. What is an open-source physical computing platform that can take input from a variety of switches or sensors to control physical objects?

Beaglebone
Arduino
Raspberry Pi

Explanation: Arduino is an open-source physical computing platform based on a simple microcontroller board.

9. Match the term with the definition. (Not all options are used.)

Introduction to the Internet of Things ( Version 2) – Introduction to IoT: Final Exam q9

Explanation: Options matched to the correct selection.

a collection of data centers or connected servers that provide anywhere anytime access to data and applications	cloud services
an architecture that utilizes edge devices for data preprocessing and storage	fog computing
breaks large volumes of data into smaller pieces which are processed by computers in different locations	distributed processing
a comprehensive ecosystem of open-source software for big data management	Hadoop

10. What limits the types of different objects that can become intelligent sensors on the Internet of Things?

availability of power for consumption
our imagination
the size of the internet
the government

Explanation: Only our imagination limits the different types of objects that can become intelligent devices and sensors in the IoT.

11. Which type of network is the connection between a Bluetooth headset and a vehicle?

MAN
LAN
cloud
PAN

Explanation: A Bluetooth network is an example of a PAN. Bluetooth devices are wireless devices within personal reach, such as a keyboard, mouse, headset, or speakers.

12. True or False?
Comma-separated values (CSV), JSON, and XML are all tools that can be used to manipulate structured data.

false
true

Explanation: Collected data can be categorized as structured or unstructured. Both categories of data can be collected from different file formats that may not necessarily be compatible with one another. Structured data may be manipulated using comma-separated values (CSV), whereas web scraping tools are used to extract unstructured data.

13. What is a key feature of the assurance element of the intent-based networking model?

provisioning of intent-based policies
end-to-end verification of network-wide behavior
application of business intent to network configuration
verification of configuration before devices are deployed

Explanation: There are three key elements of the intent-based networking model: assurance, translation, and activation. The assurance element is concerned with the end-to-end verification of network-wide behavior.

14. Which character is used within a search engine to gather data efficiently by placing the character before and after the name of a particular person?

semicolon (;)
quotation mark (“)
question mark (?)
colon (:)

15. What is used to provide IoT sensors with access to the network?

fog computing
an actuator
a laptop
a microcontroller

Explanation: Sensors in the IoT need to connect to the network so that data can be gathered and shared. Sensors have a wired or wireless connection to a microcontroller which provides a link to the network.

16. Which security best practice involves defining company rules, job duties, and expectations?

maintaining patches and updates
developing a security policy
implementing physical security
performing risk assessments

Explanation: A company security policy should clearly define company rules, job duties, and expectations.

17. What are three attributes of data that would indicate that it may be big data? (Choose three.)

velocity
volume
visibility
variety
vulnerability
versatility

Explanation: Three attributes of big data are as follows:
– Volume – the increase in data storage needs
– Velocity – the exponential growth rate of data
– Variety – the many types of data that are generated

18. Which two data types would be classified as personally identifiable information (PII)? (Choose two.)

Facebook photographs
hospital emergency use per region
average number of cattle per region
vehicle identification number
house thermostat reading

19. Which two types of institutions do malicious web pages often look like? (Choose two.)

technical
bank
commercial
academic
financial

Explanation: Malicious web pages often look like banks or financial institution websites. Before clicking any links, check the URL to make sure the web page is the correct one.

20. What is the purpose of data analytics?

to ensure data security
to compress data
to gain new insights from data
to optimize data storage

Explanation: The goal of many businesses is to collect and analyze the massive amounts of new product-usage data to gain valuable insights. Data analytics allows businesses to better understand the impact of their products and services, adjust their methods and goals, and provide their customers with better products faster. The ability to gain new insights from their data brings business value.

21. Change will have to occur in the corporate network in order to prepare for the Internet of Things. Which type of testing would a company do to demonstrate the benefits of networking a new “thing” that was not on the network before?

formative
developmental
prototyping
transference

Explanation: A company commonly uses prototyping or modeling to demonstrate a new or modified technology or implementation.

22. Which type of network consists of wired computers in a college classroom?

Explanation: A local-area network (LAN) is commonly contained in a small or localized area in a company or home. LANs commonly connect to wide-area networks (WANs).

23. Mined data can be visualized through the use of charts. Select two criteria that can be used to determine the best chart selection. (Choose two.)

file size
number of variables to be shown
size of the chart
items requiring comparison
data format

Explanation: Mined data can be visualized through the use of charts. Determining the best chart to use will vary based on the following:
– Number of variables to show
– Number of data points in each variable
– Is the data representing a timeline
– Items require comparisons

24. Which technology is a subset of AI that uses statistical techniques to enable computers to “learn” from collected data?

IBN
JSON
CSV
ML

Explanation: Many tasks have migrated from artificial intelligence (AI) to machine learning (ML) because as technology develops, many tasks that at one time required AI become routine.

25. Which two skills help with IoT prototyping? (Choose two.)

programming
design
Windows operating systems
welding
database administration

Explanation: Prototyping in the IoT may require the following skills: design, electrical, physical/mechanical programming, and an understanding of TCP/IP.

26. Which technology is used as a visual programming tool to create a program by connecting colored blocks?

Python
Arduino
JavaScript
Blockly

Explanation: Blockly is a programming tool for beginners that can create a program that can be translated into Python or JavaScript.

27. What are the two areas of physical security within a data center?

outside
private
restricted
public
inside

28. What is the purpose of Packet Tracer?

to provide products and services to internet customers
to use electromagnetic waves to carry signals over a specific geographic area
to enable the sharing of resources such as printers, documents, pictures, and music between a few local computers
to simulate and visualize one or more networks

29. What are three benefits of cloud computing? (Choose three.)

It enables access to organizational data anywhere and at any time.
It streamlines the IT operations of an organization by subscribing only to needed services.
It uses open-source software for distributed processing of large datasets.
It eliminates or reduces the need for onsite IT equipment, maintenance, and management.
It utilizes end-user clients to do a substantial amount of data preprocessing and storage.
It turns raw data into meaningful information by discovering patterns and relationships.

Explanation: There are many benefits to using cloud computing, including these:
– Access to organizational data anywhere and at any time
– Streamlined IT operations in an organization by subscribing only to needed services
– Elimination or reduction of the need for onsite IT equipment, maintenance, and management

30. What are two requirements to connect a smart device to a home wireless network? (Choose two.)

URL
IP addressing
SSID
home gateway name
GUI

Explanation: In order for a device to communicate on a wireless network, the device must be configured with both the SSID of the wireless network and a unique

31. What are two features of automation? (Choose two.)

a process that always uses sensors
a process that always uses robots
a process that is self-driven
a process that results in 12 hour shifts
a process that eventually eliminates the need for human intervention

Explanation: Automation is a process that is self-driven and eventually eliminates the need for human intervention.

32. Match the logic structure to the function.

Introduction to the Internet of Things ( Version 2) – Introduction to IoT: Final Exam Q32

Explanation: Options matched to the correct selection.

allow the code to make decisions	IF-THEN
execute a block of code while a condition is true	WHILE
repeat the execution of a specific block of code for a specific number of times	FOR

33. What are two things that all digital devices need in order to work? (Choose two.)

computer program
sensor
global positioning satellite
artificial intelligence
data

Explanation: All digital devices need at least one computer program and data to work and be productive. Artificial intelligence is programming that allows the device to be logical when making decisions.

34. True or False?
With artificial intelligence, smart devices can modify processes and settings on the fly in response to changes on the network.

true
false

35. What device provides auto discovery services for smart devices that are connected to the network?

laptop
home gateway
PC
tablet

Explanation: The home gateway provides Internet access, wireless connectivity, and an IoT registration service for auto discovery for things in the local network.

36. What are the two areas of physical security within a data center? (Choose two.)

outside
inside
restricted
private
public

Explanation: Data center physical security consists of outside perimeter security and inside perimeter security. Outside perimeter security includes fences, gates, and security breach alarms. Inside perimeter security includes motion detectors, security traps, and biometric access and exit sensors.