XHTML Interview Questions & Answers

Showing 10 of 37 questions | Page 2

Technical interview questions and answers are important for clearing an XHTML Interview because companies expect candidates to understand the transition from HTML to XHTML, strict syntax rules, document structure, and validation standards. XHTML is still used in legacy systems and is often included in web development interviews to check a candidate’s discipline in writing clean, structured, and standards-compliant code. These questions commonly appear in the technical rounds of companies like TCS, Infosys, Wipro, Cognizant, and Accenture. Whether you are a fresher, a web designer, or a junior developer, understanding XHTML helps you build better web pages and maintain older systems efficiently. This guide covers frequently asked XHTML interview questions with simple, clear explanations to help you improve your web development fundamentals and prepare confidently for campus placement tests and developer interviews.

Showing 10 of 37 questions

11. How does HTML differ from XHTML ?

XHTML has a small number of differences. The most noticeable being the requirement for elements to be lowercase (e.g.

and not

) and elements to be closed (e.g. paragraphs must end with a

).

12. Why to type a tags in uppercase, and never bother closing the paragraphs ?

For reasons on internationalisation XML elements are case sensitive. A choice had to be made, and lowercase won on the day.

13. Explain the differences between XHTML and HTML

XHTML is a stricter and more XML-based version of HTML. Unlike HTML, XHTML requires all tags to be properly closed, nested, and written in lowercase, ensuring that the code is well-formed and compatible with XML parsers

14. Describe the significance of using the DOCTYPE declaration in XHTML

The DOCTYPE declaration in XHTML specifies the version of XHTML being used and helps browsers to render the page correctly. It ensures that the document is treated as an XHTML document, enforcing the stricter syntax rules of XHTML

15. What are the key differences between XHTML 1.0 Strict and XHTML 1.0 Transitional

XHTML 1.0 Strict enforces a stricter standard by removing deprecated tags and attributes, while XHTML 1.0 Transitional allows for older tags and attributes to be used, offering greater flexibility during the transition from HTML to XHTML

16. How do you handle inline and block-level elements differently in XHTML

In XHTML, block-level elements such as

17. Discuss the importance of character encoding in XHTML documents

Character encoding in XHTML documents defines how the characters are represented in the document. UTF-8 is commonly used as it supports a wide range of characters from various languages. Declaring the correct character encoding ensures that the document is displayed correctly across different browsers and devices

18. Explain the role of XML namespaces in XHTML

XML namespaces in XHTML are used to avoid conflicts between elements and attributes from different XML vocabularies that might be used within the same document. They are declared using the xmlns attribute and help distinguish elements that belong to different XML schemas

19. What are the best practices for writing well-formed XHTML code

Best practices for writing well-formed XHTML code include using lowercase for all tags and attributes, properly closing all tags, nesting elements correctly, quoting attribute values, and ensuring that the document is valid according to the XHTML DTD

20. How do you handle multimedia content in XHTML

In XHTML, multimedia content such as images, audio, and video can be embedded using elements like , , and . However, it is essential to ensure that these elements are properly closed and that alternative content is provided for non-supporting browsers, adhering to accessibility guidelines
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