Chapter 12

1. What are the properties of a service in service-oriented architecture?
   • It is a representation of business activity with a defined outcome.
   • It is self-contained.
   • It is opaque to its users.
   • It may be composed of other services
2. What are some of the benefits of web services?
   • They are easy to debug using common tools, they work well with firewalls, and they may take advantage of existing infrastructure, such as load balancing, caching, and CDNs.
3. When are microservices not a good choice?
   • When the cost of RPC and redundancy outweighs the benefits.
4. What are some of the use cases of message queues?
   • IPC, transactional services, IoT.
5. What are some of the benefits of choosing JSON over XML?
   • JSON requires lower overhead, is gaining in popularity over XML, and should be easier to read by a human.
6. How does REST build on web standards?
   • It uses HTTP verbs and URLs as building blocks.
7. How do cloud platforms differ from traditional hosting?
   • Cloud platforms offer easy-to-use...