A platform as a service (PaaS) is:

1. A. A monthly bare-metal server rental service
2. B. A way to deliver hardware and software tools, such as those needed for application development, to users as a service
3. C. A service to help you buy and install your own server hardware
4. D. A piece of software in the cloud that you can use just by logging in

Correct Answer: B

you can build Canvas apps and run them on Heroku with of the following languages:

1. A. Node, js / JavaScript
2. B. All of these
3. C. Python
4. D. Java, Scala, Clojure
5. E. PHP

Correct Answer: B

A RESTfulAPIis:

1. A. A methodology (or maximizing the effectiveness of any vacation
2. B. An Actually Pretty Informative meditation session
3. C. How the web displays data in a hierarchical format readable by both people and machines
4. D. A web-based service that provides standard ways for clients to make requests and receive responses

Correct Answer: A