• Description: 310-220 Sun Certified Developer for Java Web Services
• Passing Score: 75%
• Practice Test - Number of questions: 215 questions
• Simulation Test - Number of questions: 215 questions
• Simulation Test Duration: 41 minutes
• Has explanations: No

A developer has a requirement to expose a Web service interface to an existing order processing system. Which is the appropriate design?

Answer(s)

1. only a new interaction layer
2. only a new processing layer
3. a new interaction layer and a new processing layer
4. a new interaction layer and a facade processing layer that use the existing order processing system
5. a new processing layer and a facade interaction layer that use the existing order processing system

a new interaction layer and a facade processing layer that use the existing order processing system