Loading previous year questions
Computer Networks · CIDR Notation
Official IIT answer key · IIT Roorkee · Audited Aug 2026
GATE CSE 2026 Set 2 Q33 · NAT · 1 mark
Key concept
No account needed
Sit 5 related CIDR NotationPYQs as a guest. We'll score the set and show which traps cost marks — sign in only if you want to save the run.
Topic notes
In GATE CS, CIDR notation is tested as a core network-layer mechanism combining binary arithmetic, bitwise masking, and address boundary alignment. Questions predominantly evaluate Longest Prefix Match (LPM) packet forwarding across routing tables, route aggregation/supernetting validity, and host capacity calculations. Recent years emphasize Multi-Select Questions (MSQs) and numerical calculations (NATs) requiring rigorous validation of power-of-two block alignments.
Full CIDR Notation guide →If an IP network uses a subnet mask of 255.255.240.0, the maximum number of IP addresses that can be assigned to network interfaces is … (answer in integer)
Topic-wise GATE CS PYQs with verified steps
Independent practice explanation verified by the GateAI team. GATE is conducted by the IITs; question text follows the official paper.