XML and XML Schema are examples of:

Question

Options

• Acustom design standards commonly used by service-oriented solutions
• Bcustom design characteristics commonly found in service-oriented solutions
• Cindustry standards commonly used by service-oriented solutions
• Dindustry characteristics commonly found in service-oriented solutions

• A
  3% (1)
• B
  7% (2)
• C
  90% (26)

Explanation

XML and XML Schema are industry standards - open, widely adopted specifications maintained by standards bodies (W3C in this case) and used broadly across many domains, not just service-oriented architecture (SOA). That makes C correct.

Why the distractors fail:

• A & B are wrong because "custom" implies proprietary or organization-specific - the opposite of what XML is. XML was designed to be universal.
• D is wrong for the same "custom" reason, and additionally because "characteristics" implies an inherent trait of SOA rather than a tool or technology that SOA uses. Standards are adopted/used, not traits that solutions possess.

Memory tip: Think of the word "standard" - XML has a logo, an RFC, and runs on every platform. If millions of unrelated companies use the same spec, it's an industry standard, not a custom design. When you see XML/WSDL/SOAP on SOA questions, default to "industry standard."

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