Topic Firewall
Asked 2 times across 2 UPSC exams over 2 years (2023–2025), peaking in 2025.
Key insights
- Most tested in ESE — 1 of 2 PYQs
- Most asked in 2025
- Recurs across 2 years (2023–2025)
How it travelled across exams
First appearance in each exam — the same idea, reframed.
CBI 2023 → ESE 2025
How the concept evolved
Rising — more than half its appearances (2 of 2) are since 2016.
Related concepts
Ideas UPSC tests alongside this one — keep exploring.
Sample questions
You've seen the pattern — here are a few of the actual PYQs.
ESE2025
A system or group of systems that enforces an access control policy between a trusted network and an untrusted network is called
- A Perimeter access control
- B Intrusion monitoring
- C Interfacing the hardware components
- D Managing the network privately
Answer key not yet available (pending official release)
Science & Technology › IT/Computing/Cyber
CBI2023
What is the primary purpose of a firewall?
- A Scans all your systems for existence of virus
- B Records your activities on the computer
- C Stops you from installing software that will harm your computer
- D Prevents unauthorized access to your computer via internet ✓
✓ Correct answer: (D)
Science & Technology › IT/Computing/Cyber
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