Codeigniter Online Test

1. Which database scaling technique can improve the performance of a CodeIgniter application?

Sharding Password encryption Code optimization URL rewriting

2. Which CodeIgniter configuration file should be properly configured to enhance security?

config.php routes.php autoload.php database.php

3. What is a CodeIgniter view file typically responsible for displaying?

The user interface Application configuration settings Database schema information Controller logic and routing instructions

4. How can you load a CodeIgniter library in a controller?

Using the $this->load->library() method Including it as a PHP file Installing it via Composer Setting it in the .htaccess file

5. In the context of web applications, what is a hook?

A point in the code where custom code can be inserted A type of database A URL route A user interface element

6. What is the role of .htaccess files in CodeIgniter deployment?

To configure URL rewriting and security rules To define routing rules To encrypt database connections To specify application settings

7. In CodeIgniter form validation, what does the set_rules() method do?

Sets validation rules for form fields Submits the form data Retrieves form field values Clears form validation errors

8. What is the purpose of the set_template() method in CodeIgniter views?

To define the layout/template for the view To set view variables To load a different view file To specify the view's data source

9. How does a RESTful API typically respond to a successful GET request?

With the requested resource data in the response body With an HTTP status code 404 With an HTTP status code 500 With a redirection to another URI

10. What is the purpose of the :any and :num wildcard patterns in CodeIgniter routes?

:any matches any character segment, and :num matches numeric segments :any matches only letters, and :num matches numbers :any matches all segments, and :num matches single characters :any matches numeric segments, and :num matches any character segment

11. Which part of the MVC architecture in CodeIgniter interacts with the user and receives requests?

Controller Model View Configuration files

12. How are URL segments mapped to controller methods in CodeIgniter?

By matching the URL segments to method names Using regular expressions By using a separate configuration file By defining custom routing rules

13. What role does load balancing play in scaling a CodeIgniter application?

Distributes incoming traffic across multiple servers Reduces the number of application features Increases the PHP version Adds security layers to the application

14. Which programming language is primarily used for CodeIgniter development?

PHP Python Java Ruby

15. What is the primary goal of Authentication and Authorization in web applications?

Ensuring secure access to resources Generating HTML forms Managing server configurations Processing payments

16. Which database systems are supported by CodeIgniter?

MySQL, PostgreSQL, SQLite MongoDB, Cassandra, Couchbase Microsoft SQL Server Oracle Database

17. What is Data Caching used for in CodeIgniter?

Storing frequently used data Enhancing security Minimizing code errors Parsing XML data

18. What does the get() method do in CodeIgniter's Active Record?

Retrieves the query result as a result set Inserts a new record Updates existing records Deletes records

19. What is the purpose of the spark command in CodeIgniter 4?

To manage CodeIgniter packages To start the development server To create a database To generate HTML templates

20. Which deployment strategy is recommended for ensuring smooth updates and maintenance?

Continuous Integration/Continuous Deployment (CI/CD) Manual deployment No deployment strategy Weekly updates