You are analyzing the HTTP communication between a web brows…
You are analyzing the HTTP communication between a web browser and a RESTful API for an online bookstore. A user requests information about a book with ISBN “978-0321765723” using the endpoint /books/978-0321765723. Here are the captured requests and responses: Request: GET /books/978-0321765723 HTTP/1.1 Host: api.bookstore.example.com User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:91.0) Gecko/20100101 Firefox/91.0 Accept: application/json Accept-Language: en-US,en;q=0.5 Accept-Encoding: gzip, deflate, br Connection: keep-alive Response: HTTP/1.1 200 OK Date: Tue, 26 Oct 2023 14:30:00 GMT Content-Type: application/json Content-Length: 250 Connection: keep-alive { “isbn”: “978-0321765723”, “title”: “Clean Code: A Handbook of Agile Software Craftsmanship”, “author”: “Robert C. Martin”, “price”: 34.99, “available”: true } What is the function of the “Content-Length: 250” header in the response?