MCQs On Class 34:
PHP and MVC Pattern
Here are 100 multiple-choice questions (MCQs) based on the PHP and MVC pattern concept.
PHP and
MVC Pattern - Multiple Choice Questions
Model
Section
1. What does
MVC stand for in the context of web development?
o
a) Model-View-Controller
o
b) Model-View-Creator
o
c) Managed-View-Controller
o
d) Model-View-Coder
Answer: a)
Model-View-Controller
2. In the
MVC pattern, which component is responsible for managing data?
o
a) View
o
b) Controller
o
c) Model
o
d) Database
Answer: c) Model
3. In MVC,
which component handles the logic of the application?
o
a) View
o
b) Controller
o
c) Model
o
d) Database
Answer: b)
Controller
4. Which of
the following is true about the View in MVC?
o
a) It manages business logic.
o
b) It interacts with the user interface.
o
c) It handles data persistence.
o
d) It communicates with the database.
Answer: b) It
interacts with the user interface.
5. Which of
the following PHP functions is commonly used to interact with a database in
MVC?
o
a) echo()
o
b) include()
o
c) mysqli_query()
o
d) file_get_contents()
Answer: c)
mysqli_query()
6. The Model
in MVC should:
o
a) Directly display content to the user.
o
b) Handle requests from the View.
o
c) Interact with the database and return data.
o
d) None of the above.
Answer: c)
Interact with the database and return data.
7. What is a
primary responsibility of the Controller in MVC?
o
a) Displaying content.
o
b) Managing user input and updates.
o
c) Interacting with the database.
o
d) Formatting data for the user.
Answer: b)
Managing user input and updates.
8. Which of
the following methods is responsible for rendering the data in a view in MVC?
o
a) action()
o
b) render()
o
c) display()
o
d) query()
Answer: b)
render()
9. Which
type of PHP method would be typically used in a Controller to fetch data?
o
a) static method
o
b) GET method
o
c) POST method
o
d) method from the Model
Answer: d)
method from the Model
10.
What type of data does the View component typically
receive from the Controller?
o
a) Formatted HTML
o
b) Business logic
o
c) Raw data from the database
o
d) CSS files
Answer: a)
Formatted HTML
Database
Interaction
11.
In MVC, which component typically handles the
database connection?
o
a) Model
o
b) View
o
c) Controller
o
d) Router
Answer: a) Model
12.
In MVC, the Controller is responsible for:
o
a) Presenting data to the user
o
b) Storing data
o
c) Processing user input and calling the Model
o
d) Querying the database
Answer: c)
Processing user input and calling the Model
13.
Which PHP function is typically used to fetch
results from a database query?
o
a) fetch_array()
o
b) fetch_assoc()
o
c) mysqli_fetch()
o
d) fetch_row()
Answer: b)
fetch_assoc()
14.
How do you typically handle form data in an
MVC-based PHP application?
o
a) Via POST requests to the Model
o
b) Via GET requests directly in the View
o
c) Through URL parameters handled by the Controller
o
d) Through sessions stored in the Model
Answer: a) Via
POST requests to the Model
15.
Which function is used to sanitize user inputs to
prevent SQL Injection?
o
a) htmlentities()
o
b) htmlspecialchars()
o
c) mysqli_real_escape_string()
o
d) strip_tags()
Answer: c)
mysqli_real_escape_string()
Controller
and Routing
16.
The main purpose of a Controller in MVC is to:
o
a) Render the final output
o
b) Handle the input and interaction
o
c) Query the database
o
d) Update the View with static content
Answer: b)
Handle the input and interaction
17.
What is the role of routing in an MVC application?
o
a) It manages the presentation of data.
o
b) It connects the database to the View.
o
c) It maps the user request to the appropriate
Controller and action.
o
d) It updates the content dynamically.
Answer: c) It
maps the user request to the appropriate Controller and action.
18.
Which PHP file typically contains the main routing
logic in a basic MVC setup?
o
a) model.php
o
b) view.php
o
c) controller.php
o
d) index.php
Answer: d)
index.php
19.
The Controller method typically interacts with the
Model to:
o
a) Format data for display
o
b) Send data to the user
o
c) Fetch and manipulate data
o
d) Store the view components
Answer: c) Fetch
and manipulate data
20.
In MVC, which component handles user input, such as
from a form or URL?
o
a) Model
o
b) View
o
c) Controller
o
d) Session
Answer: c)
Controller
Views and
Templates
21.
The View in the MVC pattern is responsible for:
o
a) Managing user input
o
b) Handling database queries
o
c) Formatting and displaying the user interface
o
d) Fetching data from the server
Answer: c)
Formatting and displaying the user interface
22.
What kind of content does a View typically contain
in an MVC application?
o
a) Data logic
o
b) HTML, CSS, and JavaScript
o
c) SQL queries
o
d) PHP functions
Answer: b) HTML,
CSS, and JavaScript
23.
Which file extension is typically used for View
templates in PHP?
o
a) .html
o
b) .tpl
o
c) .php
o
d) .js
Answer: c) .php
24.
How are dynamic variables passed from a Controller
to a View in PHP MVC?
o
a) By including the file using include() function
o
b) Through GET/POST parameters
o
c) By using the View method in the Controller
o
d) Directly in the HTML code
Answer: c) By
using the View method in the Controller
25.
What is the main advantage of using templates in
MVC?
o
a) It reduces the overall size of the code.
o
b) It allows reusability and separation of logic
from presentation.
o
c) It ensures better security.
o
d) It automates database connections.
Answer: b) It
allows reusability and separation of logic from presentation.
Session
Management and Authentication
26.
In MVC, where would you typically store user login
session data?
o
a) In the View
o
b) In the Model
o
c) In the Controller
o
d) In PHP sessions
Answer: d) In
PHP sessions
27.
To implement user authentication in MVC, which
component is responsible for checking user credentials?
o
a) View
o
b) Model
o
c) Controller
o
d) Router
Answer: b) Model
28.
What is the purpose of the session_start() function
in PHP?
o
a) To start a session to store user data
o
b) To authenticate users
o
c) To close a session
o
d) To start a new view
Answer: a) To
start a session to store user data
29.
When a user logs in, where should the user's
information be stored for subsequent requests?
o
a) In the View
o
b) In a cookie
o
c) In the Controller
o
d) In the session variable
Answer: d) In
the session variable
30.
What should happen if a user who is not logged in
tries to access a page that requires authentication in MVC?
o
a) Redirect them to a login page
o
b) Allow them to proceed
o
c) Display a warning
o
d) Show the requested page without any data
Answer: a)
Redirect them to a login page
Error
Handling and Debugging
31.
In MVC, where is error handling typically managed?
o
a) View
o
b) Model
o
c) Controller
o
d) Session
Answer: c)
Controller
32.
Which PHP function is used to display all errors in
development mode?
o
a) error_reporting()
o
b) display_errors()
o
c) ini_set('display_errors', 1)
o
d) log_errors()
Answer: c)
ini_set('display_errors', 1)
33.
How does MVC help in debugging applications?
o
a) By providing a centralized error log
o
b) By separating business logic from presentation
o
c) By automatically handling errors
o
d) By sending error messages to users
Answer: b) By
separating business logic from presentation
34.
What is the purpose of exception handling in MVC?
o
a) To handle errors in the View
o
b) To gracefully manage errors in the Model or
Controller
o
c) To validate user input
o
d) To debug the database queries
Answer: b) To
gracefully manage errors in the Model or Controller
35.
How are exceptions typically caught in PHP?
o
a) try-catch block
o
b) if-else statements
o
c) error_reporting() function
o
d) Exception() function
Answer: a)
try-catch block
Miscellaneous
36.
Which of the following is an advantage of using the
MVC pattern?
o
a) Code is more organized and maintainable
o
b) It is harder to debug
o
c) It requires less code
o
d) It does not require a database
Answer: a) Code
is more organized and maintainable
37.
What is the purpose of the View in MVC?
o
a) To store business logic
o
b) To separate concerns and improve code
organization
o
c) To execute queries and return results
o
d) To interact with the database
Answer: b) To
separate concerns and improve code organization
38.
In an MVC framework, what component should be
responsible for sending email notifications?
o
a) Model
o
b) Controller
o
c) View
o
d) Router
Answer: b)
Controller
39.
When using MVC, what happens when a user submits a
form in the View?
o
a) The Controller receives the form data and updates
the Model.
o
b) The Model receives the form data and updates the
View.
o
c) The View directly updates the database.
o
d) The Controller displays the form again.
Answer: a) The
Controller receives the form data and updates the Model.
40.
How does using MVC make your application easier to
maintain?
o
a) It eliminates the need for a database.
o
b) It separates concerns, making the code easier to
understand and modify.
o
c) It reduces the number of lines of code.
o
d) It compiles code faster.
Answer: b) It
separates concerns, making the code easier to understand and modify.
This set of questions provides a
broad review of the concepts related to PHP and MVC pattern. Each
question targets specific aspects of the Model-View-Controller architecture,
helping students test their understanding in areas like routing, database
interaction, session management, and the general structure of an MVC-based PHP
application.
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PHP and
MVC Pattern - More Multiple Choice Questions
Controller,
View, and Routing
41.
In MVC, the Controller’s main job is to:
- a)
Store data.
- b)
Define the structure of views.
- c)
Handle user input and act on the data from the Model.
- d)
Display the data to the user.
Answer: c)
Handle user input and act on the data from the Model.
42.
Which of the following is a feature of a typical
View in an MVC application?
- a)
Contains business logic.
- b)
Contains HTML, CSS, and JavaScript code to present the data.
- c)
Queries the database for data.
- d)
Handles user authentication.
Answer: b)
Contains HTML, CSS, and JavaScript code to present the data.
43.
Which function is commonly used in PHP to send an
HTTP header to the browser for redirection?
- a)
header()
- b)
redirect()
- c)
send_redirect()
- d)
http_redirect()
Answer: a)
header()
44.
How does the Controller typically pass data to the
View in an MVC application?
- a)
By directly echoing the data in the View.
- b)
By passing data through a session.
- c)
By assigning data to variables in the View.
- d)
By returning data as a response object.
Answer: c) By
assigning data to variables in the View.
45.
What is the role of the Router in an MVC framework?
- a)
Handles form submissions.
- b)
Determines which Controller and Action to invoke based on the URL.
- c)
Manages database connections.
- d)
Formats data for display in the View.
Answer: b)
Determines which Controller and Action to invoke based on the URL.
46.
In an MVC application, when a user submits a form,
what does the Controller do?
- a)
It updates the database directly.
- b)
It processes the form data and updates the Model.
- c)
It displays the form again.
- d)
It generates HTML code for the form.
Answer: b) It
processes the form data and updates the Model.
47.
What type of design pattern is MVC considered to
be?
- a)
Creational Pattern
- b)
Structural Pattern
- c)
Behavioral Pattern
- d)
Architectural Pattern
Answer: d)
Architectural Pattern
48.
Which file usually handles routing in an MVC
framework like Laravel or CodeIgniter?
- a)
route.php
- b)
index.php
- c)
routes/web.php
- d)
app/Http/routes.php
Answer: c)
routes/web.php
49.
Which of the following is NOT a responsibility of
the Controller in MVC?
- a)
Handling user requests
- b)
Querying the database
- c)
Returning HTML views
- d)
Validating user input
Answer: b)
Querying the database
50.
When you visit a URL in an MVC framework, which component
typically decides what logic to execute?
- a)
The Model
- b)
The Controller
- c)
The View
- d)
The Router
Answer: d) The
Router
Model
Component
51.
In the MVC pattern, the Model is responsible for:
- a)
Managing the user interface.
- b)
Handling the user input.
- c)
Interacting with the database and returning data.
- d)
Managing sessions.
Answer: c)
Interacting with the database and returning data.
52.
In the MVC architecture, the Model should NOT:
- a)
Contain business logic.
- b)
Handle user input.
- c)
Store data to the database.
- d)
Perform calculations.
Answer: b)
Handle user input.
53.
Which of the following is a common function of the
Model in MVC?
- a)
Validating form inputs.
- b)
Executing queries to fetch data.
- c)
Displaying the data in HTML format.
- d)
Sending data to the client’s browser.
Answer: b)
Executing queries to fetch data.
54.
In MVC, the Model is responsible for maintaining:
- a)
Views for the user.
- b)
The logic for database interactions.
- c)
User interface designs.
- d)
Routing requests.
Answer: b) The
logic for database interactions.
55.
What is the benefit of keeping business logic in
the Model of MVC?
- a)
It keeps the business logic tightly coupled with the View.
- b)
It enables the View to focus solely on presentation.
- c)
It increases the complexity of the application.
- d)
It makes it harder to modify the code.
Answer: b) It
enables the View to focus solely on presentation.
56.
Which of the following is NOT typically handled by
the Model in an MVC application?
- a)
Form validation
- b)
Database connections and queries
- c)
Business logic
- d)
Data formatting for the View
Answer: d) Data
formatting for the View
57.
Which function is commonly used to handle database
connections in PHP?
- a)
mysql_connect()
- b)
mysqli_connect()
- c)
db_connect()
- d)
connect_db()
Answer: b)
mysqli_connect()
58.
In the MVC pattern, where should business rules be
located?
- a)
Controller
- b)
Model
- c)
View
- d)
Router
Answer: b) Model
59.
Which of the following is an example of a function
that would reside in the Model?
- a)
Form validation logic
- b)
Database query execution
- c)
Data output formatting
- d)
URL routing
Answer: b)
Database query execution
60.
The Model in an MVC application should be responsible
for:
- a)
Presenting data to the user.
- b)
Updating the UI layout.
- c)
Storing and retrieving data from a database.
- d)
Authenticating users.
Answer: c)
Storing and retrieving data from a database.
View
Component
61.
The primary function of the View in an MVC
application is to:
- a)
Execute logic.
- b)
Handle user input.
- c)
Render data and present it to the user.
- d)
Interact with the database.
Answer: c)
Render data and present it to the user.
62.
In an MVC application, the View should contain:
- a)
Business logic
- b)
HTML, CSS, and JavaScript
- c)
Database connections
- d)
Session handling code
Answer: b) HTML,
CSS, and JavaScript
63.
Which of the following is the main advantage of
separating the View in MVC?
- a)
It allows for easier database management.
- b)
It ensures that the user interface is tightly coupled with logic.
- c)
It promotes reusability and separation of concerns.
- d)
It simplifies routing and URL management.
Answer: c) It
promotes reusability and separation of concerns.
64.
In MVC, how does the View access the data it needs
to display?
- a)
By querying the database directly.
- b)
By receiving data passed from the Controller.
- c)
By generating form input.
- d)
By reading session variables.
Answer: b) By
receiving data passed from the Controller.
65.
Which of the following does the View in an MVC
architecture usually NOT handle?
- a)
HTML rendering
- b)
Presentation of the user interface
- c)
Form submission
- d)
Database query execution
Answer: d)
Database query execution
66.
The View in MVC is responsible for displaying:
- a)
Business logic.
- b)
The final output to the user.
- c)
Routing logic.
- d)
User input validation.
Answer: b) The
final output to the user.
67.
What is the main role of the template engine in an
MVC framework?
- a)
Managing database connections.
- b)
Interpreting HTML, CSS, and JavaScript.
- c)
Compiling views and rendering dynamic content.
- d)
Handling user input.
Answer: c)
Compiling views and rendering dynamic content.
68.
In an MVC architecture, if you wanted to make the
application accessible in multiple languages, you would likely:
- a)
Modify the Controller for each language.
- b)
Modify the View to support localization.
- c)
Add new routes for each language.
- d)
Alter the Model to handle translations.
Answer: b)
Modify the View to support localization.
69.
When a View displays a list of products, it is
usually rendered by:
- a)
The Model
- b)
The Controller
- c)
The Router
- d) A
combination of the Model and Controller
Answer: d) A
combination of the Model and Controller
70.
Which of the following is a typical example of a
View in an MVC application?
- a)
PHP file that processes form data.
- b)
PHP file that fetches data from the database.
- c)
HTML template that displays user information.
- d)
PHP file that handles URL routing.
Answer: c) HTML
template that displays user information.
MVC
Frameworks
71.
Which MVC framework for PHP is known for its
elegant syntax and powerful features?
- a)
Laravel
- b)
Symfony
- c)
CodeIgniter
- d)
Yii
Answer: a)
Laravel
72.
Which of the following is NOT a feature of the
Laravel framework?
- a)
Eloquent ORM
- b)
Blade templating engine
- c)
Built-in routing system
- d)
Direct access to MySQL queries
Answer: d)
Direct access to MySQL queries
73.
What is the primary benefit of using an MVC
framework like Laravel or Symfony?
- a)
It reduces the need for databases.
- b)
It enforces better code organization.
- c)
It eliminates the need for front-end development.
- d) It
simplifies routing and URL mapping.
Answer: b) It
enforces better code organization.
74.
Which of the following is NOT an example of an MVC
framework for PHP?
- a)
Laravel
- b)
Symfony
- c)
CodeIgniter
- d)
WordPress
Answer: d)
WordPress
75.
Which MVC framework is known for its simplicity and
small footprint?
- a)
Laravel
- b)
Symfony
- c)
CodeIgniter
- d)
Zend Framework
Answer: c)
CodeIgniter
Conclusion
These additional MCQs cover
various aspects of the MVC pattern in PHP, focusing on the Controller,
Model, View, and Frameworks. These questions help assess
understanding of MVC concepts, including routing, business logic handling, and
the use of frameworks like Laravel and CodeIgniter.
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PHP and
MVC Pattern - Additional Multiple Choice Questions
General
Concepts of MVC
76.
Which of the following is an advantage of using the
MVC design pattern in PHP?
- a)
Faster database queries.
- b)
Separation of concerns, making code easier to manage.
- c)
Direct interaction with the frontend code.
- d)
It reduces the need for server-side processing.
Answer: b)
Separation of concerns, making code easier to manage.
77.
What happens if the View in an MVC architecture
contains business logic?
- a)
The application will run faster.
- b)
It will break the separation of concerns.
- c)
The Controller will handle it.
- d)
It will be easier to update the UI.
Answer: b) It
will break the separation of concerns.
78.
Which component is responsible for communicating
with the database in an MVC application?
- a)
Controller
- b)
View
- c)
Model
- d)
Router
Answer: c) Model
79.
The MVC architecture ensures that:
- a)
All data is managed by the View.
- b)
The Controller handles the database connection.
- c)
The View is responsible for business logic.
- d)
The logic is divided into three separate components.
Answer: d) The
logic is divided into three separate components.
80.
In MVC, which of the following best describes the
relationship between the Controller and the Model?
- a)
The Controller directly manages the database.
- b)
The Controller acts as an intermediary between the Model and View.
- c)
The Model directly sends data to the View.
- d)
The Controller manipulates the view's display.
Answer: b) The
Controller acts as an intermediary between the Model and View.
81.
The Model component in MVC should:
- a)
Handle form submissions.
- b)
Query and update data in the database.
- c)
Display the results to the user.
- d)
Call the routing system.
Answer: b) Query
and update data in the database.
82.
Which of the following best describes a
"View" in the MVC pattern?
- a)
It contains business logic and rules.
- b)
It defines how data is presented to the user.
- c)
It executes queries and handles data.
- d)
It validates user input.
Answer: b) It
defines how data is presented to the user.
83.
In MVC, which of the following would the Controller
typically do with the data from the Model?
- a)
Execute database queries.
- b)
Format the data for display.
- c)
Display the data to the user.
- d)
Store data to the database.
Answer: b)
Format the data for display.
84.
In an MVC framework, which component is responsible
for handling user requests and routing them to the appropriate controller?
- a)
Router
- b)
Controller
- c)
Model
- d)
View
Answer: a)
Router
Controller
85.
A Controller in MVC typically:
- a)
Fetches data from the Model.
- b)
Validates data before sending it to the Model.
- c)
Determines which view to display based on user input.
- d)
All of the above.
Answer: d) All of
the above.
86.
In an MVC framework, when a user submits a form,
the Controller is responsible for:
- a)
Displaying the form.
- b)
Processing the form data and passing it to the Model.
- c)
Storing the form data in the database.
- d)
Formatting the form data for display.
Answer: b)
Processing the form data and passing it to the Model.
87.
Which of the following is the role of a Controller
when dealing with HTTP requests in MVC?
- a)
It processes the request and calls appropriate methods in the Model.
- b)
It displays the HTML content directly to the user.
- c)
It handles user authentication.
- d)
It stores user data in a session.
Answer: a) It
processes the request and calls appropriate methods in the Model.
88.
Which of the following can be part of a
Controller's action in a PHP MVC framework?
- a)
Fetching data from a database.
- b)
Rendering HTML views.
- c)
Processing business logic.
- d)
All of the above.
Answer: d) All
of the above.
89.
Which of the following actions would a Controller
typically handle in an MVC application?
- a)
Updating the database records.
- b)
Rendering the UI to the user.
- c)
Routing URLs to corresponding actions.
- d)
Formatting data for presentation.
Answer: c)
Routing URLs to corresponding actions.
Model
90.
A Model in an MVC architecture should be
responsible for:
- a)
User authentication.
- b)
Rendering HTML content.
- c)
Interacting with the database and performing business logic.
- d)
Validating form inputs.
Answer: c)
Interacting with the database and performing business logic.
91.
In an MVC application, which of the following would
typically reside in the Model?
- a)
Logic to authenticate users.
- b)
HTML rendering code.
- c)
Logic to handle user input.
- d)
CSS and JavaScript code.
Answer: a) Logic
to authenticate users.
92.
In MVC, which of the following would typically be
handled by the Model component?
- a)
User input validation.
- b)
Data persistence (i.e., saving to the database).
- c)
Rendering data to views.
- d)
Handling routing logic.
Answer: b) Data
persistence (i.e., saving to the database).
93.
In an MVC application, when a user requests data
that requires querying the database, the request should be passed to:
- a)
The View.
- b)
The Controller.
- c)
The Model.
- d)
The Router.
Answer: c) The
Model.
94.
The primary function of the Model in the MVC
pattern is:
- a)
Fetching and processing data.
- b)
Formatting the data for display.
- c)
Handling routing and requests.
- d)
Displaying the user interface.
Answer: a)
Fetching and processing data.
View
95.
A View in an MVC architecture is responsible for:
- a)
Storing data.
- b)
Communicating with the database.
- c)
Displaying data to the user in a readable format.
- d)
Performing logic calculations.
Answer: c)
Displaying data to the user in a readable format.
96.
In an MVC framework, the View is responsible for:
- a)
Formatting the data for display.
- b)
Executing business logic.
- c)
Handling the routing.
- d)
Processing database queries.
Answer: a)
Formatting the data for display.
97.
In an MVC architecture, what is the View primarily
responsible for?
- a)
Displaying the UI and rendering HTML.
- b)
Interacting with the database.
- c)
Managing sessions.
- d)
Storing business logic.
Answer: a)
Displaying the UI and rendering HTML.
98.
What should the View in an MVC architecture avoid
doing?
- a)
Displaying data to the user.
- b)
Storing and retrieving data from the database.
- c)
Handling form submissions.
- d)
Rendering dynamic content.
Answer: b)
Storing and retrieving data from the database.
99.
When displaying user data in an MVC application,
the View:
- a)
Directly interacts with the database.
- b)
Receives data from the Controller to display.
- c)
Handles form submissions.
- d)
Performs data validation.
Answer: b)
Receives data from the Controller to display.
100.
A typical View in an MVC architecture will:
- a)
Contain the database access logic.
- b)
Format the data provided by the Model and Controller for display.
- c)
Handle business logic operations.
- d)
Process HTTP requests.
Answer: b)
Format the data provided by the Model and Controller for display.
Conclusion
These additional MCQs continue to
test students' understanding of the MVC pattern in PHP, focusing on the Controller,
Model, and View components. The questions emphasize the
separation of concerns, responsibilities of each component, and common
practices within the MVC framework.