You are building a login feature for a web application. The frontend sends the user’s email and password to the backend API. The backend validates credentials against a database. Which security issues exist in the code given below?
Frontend: script.js
Backend: app.py
The SQL query is vulnerable to SQL injection attacks
Passwords are stored and compared in plain text
No authentication token (session/JWT) mechanism is implemented
All of these.
Consider the following Vue.js code.
What will be printed on the console first?
0
done
1
Error
Consider the following Vue.js application with two different route scenarios and a component that uses reactive data binding:
Scenario: An e-commerce application where: Product list component displays products filtered by category• Category changes through router parameters: /products/:category• When a user navigates from /products/electronics to /products/books, the product list should update • Component Code:
If the developer changed the template to use displayedProducts instead of filteredProducts, What would be the most likely issue?
Performance would improve because computed properties are slower than data
The initial page load would show an empty list, and only after navigation would data appear correctly
There would be no difference because both will update at the same time
The application would crash because displayedProducts is reactive
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The IIT Madras BS Modern Application Development II (MAD 2) Quiz 2 paper sat on 12 Apr 2026, in the January 2026 term: 15 questions for 47 marks in 120 minutes. The first 3 questions are below. Sign in with Google — it is free — to see the whole paper with its answers and explanations, in learning mode or as a timed mock test.
| Feature | MAD 2 Quiz 2 12 Apr 2026 at a glance |
|---|---|
| Term | January 2026 term |
| Subject | Modern Application Development II |
| Course code | BSCS2006 |
| Questions | 15 |
| Marks | 47 |
| Duration | 120 min |
| MCQ | 13 |
| MSQ | 2 |
| Official paper | Modern Application Development Ii 06 Apr 26 |
| Negative marking | No negative marking. |
| Updated |
