Difficulty: Medium

Average Score: 71%

Which step helps ensure that code passes validation?

Rationale

Adopting a single standard helps ensure that code passes validation.

A single standard provides a consistent framework for coding practices, reducing discrepancies and errors that may arise from following multiple guidelines. By adhering to one set of standards, developers can ensure their code meets validation criteria more effectively.

A (Avoiding references prior to HTML version 5) YOUR ANSWER

Avoiding references to older HTML versions can help in some cases, but it does not guarantee validation. Each HTML version has its own specifications, and simply excluding older references does not ensure that the code adheres to the standards set forth in the current version, nor does it address other potential validation issues.

B (Adopting multiple standards) YOUR ANSWER

Adopting multiple standards can lead to confusion and inconsistency in coding practices, making it more challenging for code to pass validation. Different standards may have conflicting rules, which can result in errors and complications, rather than simplifying the validation process.

C (Avoiding references prior to HTML version 4.01) YOUR ANSWER

While avoiding outdated references can help modernize code, it does not inherently ensure that the code passes validation. Validation depends on following the rules and specifications of the current standard, rather than simply omitting older references that may not be relevant.

D (Adopting a single standard) CORRECT

By following a single standard, developers can align their coding practices with established rules, facilitating validation. This consistency minimizes errors and enhances compatibility across different browsers and platforms, ensuring that code is more likely to meet validation requirements.

Conclusion

Validation of code is best achieved through the adoption of a single standard, which provides clarity and consistency in coding practices. While avoiding references to older HTML versions can be beneficial, and adopting multiple standards may lead to complications, the key to successful validation lies in adherence to one cohesive standard. This approach not only simplifies the validation process but also improves overall code quality.

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