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10+ Zimetrics Technologies Interview Questions and Answers
Q1. Tell me about yourself Current version of PHP Structure of HTML Difference between and Doctype in HTML Types of lists in HTML Use of tag What is href attribute Difference between let and var Difference between ...
read moreI am a software developer with expertise in PHP, HTML, CSS, and JavaScript.
Current version of PHP is PHP 8.0.
HTML is structured using tags like <html>, <head>, <body>, etc.
<head> tag is used to define the header of a document, while <header> tag is used to define a header section within a document.
Doctype in HTML specifies the version of HTML being used in the document.
Types of lists in HTML include ordered lists (<ol>), unordered lists (<ul>), and definition lists (<dl>).
<li...read more
Q2. What is the current version of HTML?
The current version of HTML is HTML5.
HTML5 is the latest version of HTML.
It introduced new features like <video>, <audio>, <canvas>, and <svg> elements.
HTML5 also includes new APIs like Geolocation, Web Storage, and Web Workers.
Q3. What are the versions of Bootstrap
Bootstrap has four major versions: Bootstrap 2, Bootstrap 3, Bootstrap 4, and Bootstrap 5.
Bootstrap 2 was released in 2012 and was the first major version of Bootstrap.
Bootstrap 3 was released in 2013 and introduced a mobile-first approach and a new grid system.
Bootstrap 4 was released in 2018 and brought significant changes, including a switch to Flexbox.
Bootstrap 5 was released in 2020 and focused on improving customization and reducing reliance on jQuery.
Q4. What are HTML tags
HTML tags are used to define the structure and content of a web page.
HTML tags are enclosed in angle brackets, like <tag>.
They are used to define different elements on a web page, such as headings, paragraphs, images, links, etc.
Tags are often used in pairs, with an opening tag <tag> and a closing tag </tag>.
Some tags are self-closing, like <img src='image.jpg' />.
Attributes can be added to tags to provide additional information or functionality, like <a href='https://www.exa...read more
Q5. What is Bootstrap
Bootstrap is a front-end framework for developing responsive and mobile-first websites.
Bootstrap is a popular HTML, CSS, and JavaScript framework for developing responsive websites.
It includes pre-built components and styles for creating user interfaces quickly and efficiently.
Bootstrap uses a grid system to help layout elements on a webpage.
It also includes responsive utilities for easily adjusting content based on screen size.
Bootstrap is open-source and maintained by the t...read more
Q6. what is difference between Margin & padding
Margin is the space outside an element, while padding is the space inside an element.
Margin creates space outside the border of an element.
Padding creates space inside the border of an element.
Margin affects the positioning of the element in relation to other elements.
Padding affects the content inside the element.
Example: margin: 10px will create a 10px space outside the element, while padding: 10px will create a 10px space inside the element.
Q7. What are Hooks in WordPress
Hooks in WordPress are functions that allow developers to modify or add functionality to WordPress without modifying core files.
Hooks can be actions or filters.
Actions are triggered at specific points in the WordPress execution process.
Filters allow data to be modified before it is displayed on the site.
Example: add_action('wp_head', 'my_function');
Example: add_filter('the_content', 'my_function');
Q8. How to Override CSS?
Override CSS by using !important, specificity, or inline styles.
Use !important to override specific CSS rules
Increase specificity of selectors to override styles
Use inline styles directly in HTML elements
Q9. What are HTML5 tags
HTML5 tags are elements used to structure and format content on a web page.
HTML5 tags are used to define different parts of a webpage, such as headings, paragraphs, images, links, etc.
Some common HTML5 tags include <div>, <p>, <h1> to <h6>, <img>, <a>, <ul>, <li>, <table>, <form>, etc.
HTML5 tags are enclosed in angle brackets <> and usually come in pairs - an opening tag and a closing tag.
Q10. What is WordPress
WordPress is a popular content management system (CMS) used for creating websites and blogs.
WordPress is open-source software, meaning it is free to use and modify.
It is known for its user-friendly interface and customizable themes and plugins.
WordPress powers over 35% of all websites on the internet, including blogs, e-commerce sites, and more.
Q11. Difference between regression testing and retesting?
Regression testing is testing the unchanged parts of the software after modifications, while retesting is testing the fixed defects.
Regression testing ensures that the existing functionality is not affected by changes.
Retesting is performed to verify that the defects reported in earlier testing have been fixed.
Regression testing is typically performed after every modification or enhancement to the software.
Retesting is performed after the defects have been fixed to ensure the...read more
Q12. Describe oop concepts
OOP concepts are fundamental principles in object-oriented programming that help in organizing and structuring code.
Encapsulation: Bundling data and methods that operate on the data into a single unit (class).
Inheritance: Allowing a class to inherit properties and behavior from another class.
Polymorphism: The ability for objects of different classes to respond to the same method call in different ways.
Abstraction: Hiding the complex implementation details and showing only the...read more
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