A web service is:

  1. A layout file
  2. Software on a server that apps call over the network (usually HTTP) to get or send data
  3. A type of Android service that plays music
  4. A database on the phone
Answer

B) Software on a server that apps call over the network (usually HTTP) to get or send data

Mobile apps act as clients of web services.

Computer Science MCQ · More Maps and Consuming Web Services over HTTP MCQs · Practise