Web Services

Question 1

What is JSON and what it is used for?

Answer 1

Java Script object notation, It is a structured format used to send data from a client to server and vice versa.

Question 2

What is an API

Answer 2

Application Programming Interface - is an interface for software to communicate with other software.

Question 3

What is REST

Answer 3

Representational state transfer is a set of specifications with rules about how to use APIs and WEB Services.

Question 4

What is a Web Service

Answer 4

Is an API for the context of the WEB. That is accessible via WEB.

Question 5

What are the steps for creating a Web service in abap

Answer 5

1) Create a Function Module
2) Create a web service from the FM
3) Follow the steps in SOAMANAGER.

Question 6

What is SOAP?

Answer 6

Simple object access protocol. Rules and definitions on how two applications will talk to each other (SOAP Message and so on).

Question 7

What contains a SOAP Message

Answer 7

Envelope
Header with data about the content and authentication if required
Body with the request and parameters.

Question 8

What is Fiddler

Answer 8

Is a tool that captures HTTP traffic and it can be used to get request and response so that you can see what is actually going on. Can be used to capture secure trafic (SSL).