A WS-Policy definition can be attached to different parts of a __________________ or to multiple __________________. Select the correct answer.

Question

Options

• Aservice activity, service activities
• Bservice contract, service contracts
• Cservice model, service models
• Dservice line, service lines

• A
  6% (2)
• B
  88% (28)
• C
  3% (1)
• D
  3% (1)

Explanation

Option B is correct because WS-Policy is a W3C specification designed to express the capabilities and requirements of web services, and its natural attachment point is the service contract - typically represented as a WSDL document. A WS-Policy assertion can be applied to different structural parts of a single WSDL (such as the binding, operation, or message elements), or the same policy can be referenced across multiple WSDL service contracts.

Why the distractors are wrong:

• A (service activity): Not a recognized WS-* or SOA architectural term in this context; "activity" belongs to process/workflow modeling (e.g., BPEL), not policy attachment.
• C (service model): Too abstract - the service model describes the overall design, not the concrete artifact policies are physically attached to.
• D (service line): A business/product portfolio concept, completely outside the WS-Policy specification's scope.

Memory tip: Think "Policy on the Contract" - just like a legal policy rider attaches to specific clauses of a contract or applies across multiple contracts, WS-Policy attaches to parts of a service contract (WSDL) or spans multiple service contracts. The word "contract" is the key anchor in both law and web services.

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