Kadel Labs Interview Questions and Answers

Q1. Basic things of JavaScript
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Q2. Oops concepts and logically question
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Q1. Question fron sql, Power BI, Data Science
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Asked to find duplicate from the from string

Q1. Asked about the project
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Q1. What do you know about HR?
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Q2. Can you handle entire HR gamut?
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Q3. What are rewards given to employees in IT sector?
Ans. 
Rewards in IT sector include bonuses, stock options, flexible work hours, and professional development opportunities.
• Bonuses based on performance or project completion

• Stock options or equity in the company

• Flexible work hours or remote work options

• Professional development opportunities such as training, conferences, or certifications

• Employee recognition programs or awards

• Health and wellness benefits such as gym membersh
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Q1. Can you tell me about yourself and what you do ?
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Q2. Whats the difference between WordPress.com and WordPress.org ?
Ans. 
WordPress.com is a hosted platform where you can create a website, while WordPress.org is a self-hosted platform where you download the software and host it on your own server.
• WordPress.com is a hosted platform where you can create a website without needing to worry about hosting, updates, or backups.

• WordPress.org is a self-hosted platform where you download the WordPress software and host it on your own server, giving...read more
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Q3. Can you create custom post type and how will you do it ?
Ans. 
Yes, I can create custom post types in Wordpress by using the register_post_type function.
• Use the register_post_type function to define a new custom post type

• Specify the labels, supports, and other parameters for the custom post type

• Add the register_post_type function in the functions.php file or a custom plugin

• Example: register_post_type( 'book', $args )
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Q4. How we can create a child theme ?
Ans. 
A child theme is created by creating a new directory in the themes folder and adding a style.css file with specific information.
• Create a new directory in the themes folder of your WordPress installation

• Inside the new directory, create a style.css file with specific information like Template, Theme Name, and Author

• Optionally, you can also add a functions.php file to enqueue stylesheets and scripts from the parent theme

• A...read more
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Q5. Can you extend the functionality of a theme and plugin ?
Ans. 
Yes, I can extend the functionality of a theme and plugin.
• I can create custom functions and hooks to extend the functionality of a theme or plugin.

• I can modify existing code to add new features or improve existing ones.

• I have experience with creating child themes to customize the appearance and functionality of a theme.

• I can integrate third-party APIs or services to enhance the functionality of a theme or plugin.
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Q6. If you are selected for this position will you be handle to do the projects alone ?
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Q7. What are hooks and filters in WordPress ?
Ans. 
Hooks and filters are essential components in WordPress that allow developers to modify or extend the functionality of WordPress core, themes, and plugins.
• Hooks are points in the WordPress code where developers can add their own code or modify existing code.

• Actions are hooks triggered by specific events in WordPress, such as when a post is published or a user logs in.

• Filters allow developers to modify data before it is...read more
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Q8. How will you include ajax in wordpress ?
Ans. 
Ajax can be included in WordPress by using the built-in admin-ajax.php file and enqueuing scripts properly.
• Use wp_enqueue_script() to include jQuery and your custom script

• Create a custom function in functions.php to handle the ajax request

• Use wp_ajax_{action} and wp_ajax_nopriv_{action} hooks to handle the ajax request

• Send data to admin-ajax.php using jQuery's $.ajax() method
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Q9. Did you work on WP Rest API ?
Ans. 
Yes, I have worked on WP Rest API extensively.
• I have experience in creating custom endpoints using WP Rest API.

• I have integrated third-party services with WordPress using WP Rest API.

• I have used WP Rest API to fetch and display data from WordPress in external applications.
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Q10. Whats the difference between wp_get_remote and normal curl ?
Ans. 
wp_get_remote is a WordPress function for making HTTP requests, while curl is a general-purpose library for making HTTP requests in PHP.
• wp_get_remote is a WordPress-specific function, while curl is a general-purpose library for making HTTP requests in PHP.

• wp_get_remote is easier to use for simple requests within WordPress, while curl offers more flexibility and control.

• wp_get_remote handles SSL verification and redirec...read more
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Q11. How will you include a custom css and js file in wordpress?
Ans. 
To include a custom css and js file in WordPress, you can enqueue them using functions.php file.
• Use wp_enqueue_style() to include custom css file

• Use wp_enqueue_script() to include custom js file

• Add the enqueue functions in functions.php file of your theme

• Specify the file path and dependencies in the enqueue functions
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Q12. Why do we need Child Theme ?
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Q13. Have you worked on WooCommerce ?
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Q14. What are group product and variable product?
Ans. 
Group product and variable product are types of product variations in WooCommerce.
• Group product allows customers to choose different variations of a product within a group, such as different colors or sizes.

• Variable product allows customers to choose variations of a product with different attributes, such as size, color, material, etc.

• Group product is used when variations are related and sold together, while variable p...read more
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Q15. What is upselling and downselling in WooCommerce?
Ans. 
Upselling and downselling in WooCommerce involve offering customers additional products or services to increase the value of their purchase.
• Upselling is the practice of encouraging customers to buy a higher-end product or service than the one they originally intended.

• Downselling is the practice of offering customers a lower-priced alternative to the product or service they were considering.

• Examples: Upselling a custome...read more
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