Answer:
Web application programming interface
Explanation:
we know component for set of programming instructions and standards for accessing a web-based program is the Web application programming interface because API is a kind of interface that have set of functions
which is allow programmers to the access specific features or the data of application and operating system
and it is expressed in JSON or XML
which is exposed with the web that is most commonly mean of HTTP based web server
so correct option is b Web API