Home / Topic / Network Security
Topic Network Security
Asked 4 times across 2 UPSC exams over 4 years (2022–2026), peaking in 2025.
Key insights
- Most tested in ESE — 3 of 4 PYQs
- Most asked in 2025
- Recurs across 3 years (2022–2026)
How it travelled across exams
First appearance in each exam — the same idea, reframed.
ESE 2022 → EPFO 2025
How the concept evolved
Rising — more than half its appearances (4 of 4) 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.
ESE2026
In which one of the following layers, the firewalls can be installed to keep good packets and bad packets out ?
- A Physical layer
- B Transport layer
- C Network layer
- D Application layer
Answer key not yet available (pending official release)
Engineering › Electronics
EPFO2025
Which one among the following correctly stands for SSL encryption with regard to banking websites ?
- A Secure Socket Layer encryption
- B Superior Safety Level encryption
- C Server-to-Server Linked encryption
- D Safety Server Level encryption
Answer key not yet available (pending official release)
Science & Technology › IT/Computing/Cyber
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
Study how UPSC repeats — not just the papers
₹199 / 1 year · Founding Member
Full access unlocks the three things no PYQ PDF gives you:
① Cross-exam learning — see the same idea recur across CSE, CAPF, CDS and NDA.
② Topic evolution — how each idea is framed, year by year.
③ Question intelligence — every PYQ + answer, linked to related concepts and similar questions.
e.g. Round Table Conference: CDS 2017 → CSE 2017 → … → CAPF 2024
15 days free, no card required — then ₹199 for 1 year.
Start your 15-day free trial →