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Python Multiple Choice Quiz with Answers PDF for Students
Which function in Scikit-learn is used to apply the DBSCAN clustering algorithm to a dataset?
a. fit()
b. train()
c. DBSCAN.fit_predict()
d. DBSCAN.predict()
Option c – DBSCAN.fit_predict()
In the DBSCAN algorithm, what does the parameter eps define?
a. Count of neighboring points
b. Maximum distance for neighborhood inclusion
c. Total number of clusters
d. The learning rate of the algorithm
Option b – Maximum distance for neighborhood inclusion
Which clustering method in Scikit-learn forms clusters based on hierarchical structure?
a. K-Means
b. DBSCAN
c. Agglomerative Clustering
d. Spectral Clustering
Option c – Agglomerative Clustering
Which function is used to train an Agglomerative Clustering model using Scikit-learn?
a. fit()
b. train()
c. AgglomerativeClustering.fit_predict()
d. AgglomerativeClustering.predict()
Option c – AgglomerativeClustering.fit_predict()
Which Python library is commonly used to graph clustering outputs?
a. Matplotlib
b. Pandas
c. Seaborn
d. Plotly
Option a – Matplotlib
In Matplotlib, which method is typically used to draw a scatter plot for clustered data?
a. plot()
b. scatter()
c. scatterplot()
d. clusterplot()
Option c – scatterplot()
Which Matplotlib function is used to apply colors to different groups in a scatter chart?
a. set_color()
b. set_colors()
c. color()
d. set_facecolor()
Option d – set_facecolor()
Which method in Matplotlib enables creation of 3D scatter plots?
a. plot_3d()
b. scatter_3d()
c. scatterplot_3d()
d. plot3D()
Option b – scatter_3d()
Which Python module supports interactive visualizations for clustering?
a. Matplotlib
b. Seaborn
c. Plotly
d. Pandas
Option c – Plotly
In Plotly, which function is used to render a 3D scatter plot for clustering representation?
a. plot_3d()
b. scatter3d()
c. scatter3D()
d. plot3D()
Option c – scatter3D()
Which Scikit-learn function is used to perform clustering with a Gaussian Mixture Model?
a. GMM.fit()
b. GaussianMixture.fit()
c. Gaussian.fit()
d. GMM.cluster()
Option b – GaussianMixture.fit()
In Gaussian Mixture Models, which parameter determines how many clusters or components are used?
a. components
b. clusters
c. n_components
d. n_clusters
Option c – n_components
After applying GMM clustering, which method is used to assign labels to data points?
a. predict()
b. GMM.predict()
c. GaussianMixture.predict()
d. fit_predict()
Option a – predict()
Which metric is used to evaluate how well-separated and cohesive the clusters are?
a. Silhouette Score
b. Inertia
c. Homogeneity Score
d. Adjusted Rand Index
Option a – Silhouette Score
In the Affinity Propagation algorithm, what aspect is influenced by the damping factor?
a. Rate at which learning occurs
b. Speed at which the algorithm converges
c. Total number of iterations executed
d. Distance used to separate exemplars
Option b – Speed at which the algorithm converges
Which Python package includes the SpectralClustering class used for spectral clustering?
a. Scikit-learn
b. SciPy
c. NetworkX
d. TensorFlow
Option a – Scikit-learn
Which of the following libraries is frequently used for cluster visualization in Python?
a. Matplotlib
b. Seaborn
c. Plotly
d. All of the above
Option d – All of the above
What is the main use of the docker module in Python?
a. Developing web applications
b. Managing containers
c. Performing data analysis
d. Implementing machine learning
Option b – Managing containers
Which Python library is primarily used for building games?
a. Pandas
b. NumPy
c. Pygame
d. Requests
Option c – Pygame
In Pygame, which function is used to import an image file?
a. pygame.display.load_image()
b. pygame.image.load()
c. pygame.load_image()
d. pygame.display.load()
Option b – pygame.image.load()
What does the pygame.display.set_mode() function do?
a. Configures the display settings for the game
b. Starts the Pygame display
c. Opens a window of defined dimensions
d. Displays an image on the screen
Option c – Opens a window of defined dimensions
Which function is used to render a rectangle in Pygame?
a. pygame.draw.rect()
b. pygame.draw.rectangle()
c. pygame.draw_square()
d. pygame.draw.shape()
Option a – pygame.draw.rect()
What is the role of pygame.time.Clock() in a game?
a. Controls how fast the game runs
b. Sets up the game timer
c. Tracks elapsed time in gameplay
d. Maintains the frame rate of the game
Option b – Sets up the game timer
Which function detects key presses in Pygame?
a. pygame.event.keyboard()
b. pygame.keyboard.get_event()
c. pygame.event.get_keys()
d. pygame.key.get_pressed()
Option d – pygame.key.get_pressed()
What does the class pygame.sprite.Sprite represent?
a. Initializes sprite handling in Pygame
b. Creates a sprite instance
c. Loads a sprite graphic onto the screen
d. Manages sprite movement and animation
Option b – Creates a sprite instance
Which Pygame function is used to handle mouse interactions?
a. pygame.mouse.get_event()
b. pygame.event.mouse()
c. pygame.mouse.get_pressed()
d. pygame.event.get_mouse()
Option c – pygame.mouse.get_pressed()
What is the function of pygame.mixer.Sound?
a. Adjusts the game’s audio volume
b. Starts the audio system in Pygame
c. Creates an audio object
d. Plays sound effects or music
Option c – Creates an audio object
Which Pygame module allows detection of object collisions?
a. pygame.collision
b. pygame.detect
c. pygame.collider
d. pygame.sprite
Option d – pygame.sprite
What does pygame.font.Font do in a Pygame program?
a. Defines the text style for the game
b. Starts the font rendering system
c. Creates a font object
d. Outputs text to the game screen
Option c – Creates a font object
What action is performed by pygame.quit()?
a. Shuts the game window
b. Exits the Python environment
c. Terminates the game loop
d. Starts the Pygame engine
Option a – Shuts the game window
Which function in Pygame sets a sprite’s screen position?
a. pygame.sprite.set_position()
b. pygame.sprite.position
c. pygame.sprite.set_pos()
d. pygame.sprite.rect.topleft
Option d – pygame.sprite.rect.topleft
What is the function of pygame.sprite.collide_rect() in Pygame?
a. Starts the collision detection process
b. Identifies if two rectangle objects are colliding
c. Builds a new rectangular shape
d. Controls sprite-based animations
Option b – Identifies if two rectangle objects are colliding
What does calling pygame.mixer.Sound.play() accomplish?
a. Terminates sound playback
b. Initiates the playback of a sound file
c. Temporarily suspends sound playback
d. Adjusts the sound volume
Option b – Initiates the playback of a sound file
Which function allows you to set the title of the game window in Pygame?
a. pygame.set_caption()
b. pygame.display.set_caption()
c. pygame.window.set_caption()
d. pygame.caption.set()
Option b – pygame.display.set_caption()
What does the pygame.mouse.set_visible() function manage?
a. Controls whether the mouse pointer is shown or hidden
b. Activates mouse-related features in Pygame
c. Detects mouse clicks
d. Updates the cursor position
Option a – Controls whether the mouse pointer is shown or hidden
How is pygame.event.post() used in a Pygame program?
a. Adds a new event into the event queue
b. Retrieves the next item from the event queue
c. Sets up the event system
d. Responds to keyboard actions
Option a – Adds a new event into the event queue
What is the role of pygame.sprite.Group.update()?
a. Refreshes the state of all sprites within a group
b. Begins the sprite update process
c. Updates the game’s display output
d. Repaints the sprite visuals
Option a – Refreshes the state of all sprites within a group
Which method is utilized for loading sound files in Pygame?
a. pygame.mixer.load_sound()
b. pygame.sound.load()
c. pygame.mixer.Sound.load()
d. pygame.load_sound()
Option c – pygame.mixer.Sound.load()
What is the function of pygame.key.get_pressed()?
a. Identifies the key currently being pressed
b. Starts the keyboard functionality in Pygame
c. Checks if a specific key is active
d. Returns a list showing all keys being pressed
Option d – Returns a list showing all keys being pressed
What task does pygame.display.set_icon() perform?
a. Sets the icon that appears in the window title bar
b. Starts the display system in Pygame
c. Generates a new icon image
d. Modifies the window’s resolution
Option a – Sets the icon that appears in the window title bar
Which method is used in Pygame for loading music files?
a. pygame.mixer.music.load()
b. pygame.load_music()
c. pygame.music.load()
d. pygame.mixer.load_music()
Option a – pygame.mixer.music.load()
What does pygame.mouse.get_pressed() return?
a. The current coordinates of the mouse
b. A status list of mouse button presses
c. The count of mouse clicks
d. The time since the last mouse action
Option b – A status list of mouse button presses
Why is pygame.sprite.Sprite.kill() used?
a. Deletes a sprite from memory
b. Shuts down the game
c. Stops the animation of a sprite
d. Detaches the sprite from its group
Option d – Detaches the sprite from its group
Which of the following is an important ethical aspect of web scraping?
a. Collecting the maximum amount of data available
b. Ignoring the directives in the robots.txt file
c. Harvesting confidential personal details
d. Scraping content without the site owner’s permission
Option c – Harvesting confidential personal details
What is the main role of the Selenium library in web scraping?
a. Reading and parsing HTML content
b. Sending HTTP requests
c. Simulating user actions within a browser
d. Collecting information from APIs
Option c – Simulating user actions within a browser
In the context of web scraping, what does rate limiting involve?
a. Regulating the frequency of requests to prevent bans
b. Reducing the number of pages being accessed
c. Setting the appropriate time zone for scraped data
d. Blocking specific sections of a website
Option a – Regulating the frequency of requests to prevent bans
Which of the following is considered a method to prevent web scraping?
a. Offering a comprehensive API
b. Using HTML tags with clear labels
c. Adding CAPTCHA challenges
d. Using a robots.txt configuration file
Option c – Adding CAPTCHA challenges
What is the function of BeautifulSoup in scraping tasks?
a. Sending HTTP requests to web servers
b. Managing content that loads dynamically
c. Parsing and analyzing HTML or XML content
d. Emulating browser functions
Option c – Parsing and analyzing HTML or XML content
Which protocol is most frequently used for retrieving web content during scraping?
a. FTP
b. SMTP
c. HTTP
d. SNMP
Option c – HTTP
Why is the HEAD request method used during scraping activities?
a. To obtain the full contents of a webpage
b. To check a page’s availability without downloading it
c. To submit changes to a webpage
d. To redirect a browser to another link
Option b – To check a page’s availability without downloading it
a. Downloading content that’s publicly accessible
b. Gathering data strictly for personal reference
c. Using content without proper credit
d. Scraping with the goal of producing altered versions
Option c – Using content without proper credit
What role does the urllib module play in web scraping?
a. Interpreting HTML content
b. Sending HTTP requests to websites
c. Managing JavaScript-rendered content
d. Automating browser activities
Option b – Sending HTTP requests to websites
Which of the following helps handle websites with dynamic content during scraping?
a. Using fixed IP proxies
b. Running JavaScript code within the scraper
c. Disregarding robots.txt directives
d. Increasing request rates for faster scraping
Option b – Running JavaScript code within the scraper
What function does the robots meta tag serve in web scraping?
a. Guiding how search engines should crawl the page
b. Preventing scrapers from accessing specific content
c. Protecting the data transferred from being read
d. Structuring webpage layout
Option a – Guiding how search engines should crawl the page
In the field of web scraping, what is XPath mainly used for?
a. A programming language for scraping
b. A format to save scraped information
c. A method for selecting nodes in XML/HTML documents
d. A browser plugin used for automation tasks
Option c – A method for selecting nodes in XML/HTML documents
What does the Politeness Policy aim to regulate in web scraping?
a. Designing the structure of a website
b. Setting guidelines for how crawlers should behave
c. Managing how quickly data requests are made
d. Dealing with content that updates dynamically
Option c – Managing how quickly data requests are made
Which of the following highlights an ethical issue in web scraping?
a. Accessing publicly available content
b. Using scraped data for academic learning
c. Using data without proper acknowledgment
d. Collecting data with the consent of the site owner
Option c – Using data without proper acknowledgment
What functionality does the Splash tool offer in web scraping?
a. Sending HTTP requests
b. Interpreting and exploring HTML or XML data
c. Automating interactions within a browser
d. Processing pages that rely on JavaScript
Option d – Processing pages that rely on JavaScript
In the context of web scraping, how is the CSS library typically used?
a. Managing a webpage’s design and style
b. Extracting data from HTML documents
c. Identifying and selecting HTML elements for data scraping
d. Detecting the browser and system details
Option a – Managing a webpage’s design and style
Which of the following is a major obstacle when scraping data from mobile apps?
a. Dealing with content that changes dynamically
b. Preventing the scraper from being identified and blocked
c. Ignoring site crawling policies
d. Using the same user-agent for each request
Option b – Preventing the scraper from being identified and blocked
What functionality does PhantomJS provide in a scraping environment?
a. Initiating HTTP connections
b. Exploring and extracting content from HTML and XML files
c. Executing JavaScript and rendering dynamic content
d. Performing automated interactions in a virtual browser
Option c – Executing JavaScript and rendering dynamic content
What is meant by good web scraping etiquette?
a. Adhering to responsible scraping practices
b. Sending all requests with the identical User-agent
c. Gathering information without getting permission
d. Disregarding the instructions in the robots.txt file
Option a – Adhering to responsible scraping practices
Which Python package is widely used in businesses for creating visual data representations?
a. Pandas
b. Matplotlib
c. NumPy
d. Requests
Option b – Matplotlib
What is the main benefit of using Python in the field of business analytics?
a. Developing games
b. Performing data analysis and creating visualizations
c. Building websites
d. Training machine learning models
Option b – Performing data analysis and creating visualizations
In business-oriented machine learning, which Python library is often applied?
a. Flask
b. Django
c. TensorFlow
d. PyTorch
Option c – TensorFlow
What module is commonly used in Python for connecting and working with databases in business contexts?
a. sqlite3
b. json
c. OS
d. requests
Option a – sqlite3
How does Python contribute to automating tasks in business operations?
a. Producing random number sequences
b. Making HTTP requests to websites
c. Building web-based platforms
d. Automating routine tasks and improving workflow efficiency
Option d – Automating routine tasks and improving workflow efficiency
Which Python module is frequently used for manipulating Excel spreadsheets in business settings?
a. Requests
b. Openpyxl
c. SQLAlchemy
d. NumPy
Option b – Openpyxl
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