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Cisco 200-301: What is the Default Encoding for JSON Text According to RFC 4627?

By: Author Alex Lim

Posted on  - Last updated:

Categories Exam

Discover the default encoding for JSON text as specified in RFC 4627. Learn why UTF-8 is the standard encoding format and how it ensures interoperability across systems.

Table of Contents

Question

What is the RFC 4627 default encoding for JSON text?

A. UCS-2
B. GB18030
C. UTF-8
D. Hex

Answer

C. UTF-8

Explanation

According to RFC 4627, the default encoding for JSON (JavaScript Object Notation) text is UTF-8.

UTF-8 (Unicode Transformation Format-8) is a variable-width character encoding that uses one to four 8-bit bytes to represent all valid Unicode code points. It is a popular choice for encoding text data, including JSON, due to its compatibility with ASCII and its ability to handle a wide range of characters from various languages and scripts.

Using UTF-8 as the default encoding for JSON text offers several advantages:

  1. Interoperability: UTF-8 is widely supported across different platforms, programming languages, and systems, ensuring that JSON data can be easily exchanged and processed.
  2. Compatibility with ASCII: UTF-8 is backward compatible with ASCII, meaning that any valid ASCII character is also a valid UTF-8 character. This allows JSON text to be easily read and written by humans and machines alike.
  3. Efficient storage: UTF-8 uses a variable-length encoding, which means that it can represent characters using the minimum number of bytes required. This results in efficient storage and transmission of JSON data.
  4. International character support: UTF-8 can represent characters from a vast array of languages and scripts, making it suitable for encoding JSON data that includes non-ASCII characters.

By specifying UTF-8 as the default encoding, RFC 4627 ensures that JSON text can be reliably and consistently processed across different systems and applications, promoting interoperability and ease of use.

In summary, the correct answer to the question “What is the RFC 4627 default encoding for JSON text?” is C. UTF-8. This encoding standard is essential for ensuring the compatibility, efficiency, and global reach of JSON data.

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