Consider the below CORS enabled flask app. from flask import Flask from flask_cors import CORS app = Flask(name) CORS(app, resources={r"/api/": {"origins": "http://localhost:5000"}}) @app.route("/api/data") def data(): return {"message": "Hello from Flask"} If a Vue.js frontend (simulation given below) at “http://localhost:3000” tries to fetch data, what will happen? fetch("http://localhost:5000/api/data") .then(response => response.json()) .then(data => console.log(data));

(A) The request will be blocked due to CORS policy.

(B) The request will succeed and return { "message": "Hello from Flask" }.

(C) The request will fail because Vue.js does not support CORS.

(D) The server will crash due to incorrect CORS settings.

Modern Application Development II · End Term · 13 Apr 2025 · January 2025 term · Set QDD1

Question 18: Consider the below CORS enabled flask app. If a Vue.js f…

Question 18

+3 marksOne correct option

Consider the below CORS enabled flask app.

python

1from flask import Flask
2from flask_cors import CORS
3
4app = Flask(__name__)
5CORS(app, resources={r"/api/*": {"origins": "http://localhost:5000"}})
6
7@app.route("/api/data")
8def data():
9      return {"message": "Hello from Flask"}

If a Vue.js frontend (simulation given below) at “http://localhost:3000” tries to fetch data, what will happen?

javascript

1fetch("http://localhost:5000/api/data")
2  .then(response => response.json())
3  .then(data => console.log(data));

A
The request will be blocked due to CORS policy.
B
The request will succeed and return { "message": "Hello from Flask" }.
C
The request will fail because Vue.js does not support CORS.
D
The server will crash due to incorrect CORS settings.

Show answer

Correct answer

A
The request will be blocked due to CORS policy.

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Question 18 of 32 in the IIT Madras BS Modern Application Development II (MAD 2) End Term paper sat on 13 Apr 2025, in the January 2025 term (IIT M DIPLOMA AN EXAM QDD3 13 Apr 2025). It carries 3 marks.

Question 18: Consider the below CORS enabled flask app. If a Vue.js f…

Question 18

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