Select from the following list four 4 topics and discuss. Use only 70words max per topic to discuss and present

Select from the following list four (4) topics and discuss. Use only 70-words max per topic to discuss and present your answer.
The discussion questions this week are from Chapter 11 (Jamsa, 2013).
Chapter 11 topics:
Define software architecture.
Define and describe SOA.
Compare and contrast a web page and a web service.
Search the Web for companies that offer web services and then describe three to five web services that programmers might integrate into the applications they create.
Discuss what it means for a web service to be interoperable.
NOTE: You are required to use at least two-peer reviewed sources (besides your textbook) to answer the above questions.