Data Communication & Networks · 2025–26

DCN Practical Exam Kit

Ten selected experiments · aim, procedure, runnable code, illustrated output and result

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Choose the practical question

Every program is inside its numbered folder. Use the actual question to choose the correct commands. Sample outputs are labeled; never present them as measurements you have not obtained.

Experiment 01 · pages 01–05

Basic LAN with Router + Switch

Cisco practical · Aim → Procedure → Output → Result

Open experiment ↗
Experiment 3.2 · pages 20–25

Bus · Star · Ring · Hybrid

Cisco practical · Aim → Procedure → Output → Result

Open experiment ↗
Experiment 06 · pages 56–67

Ethernet LAN · VLAN · MAC

Mixed practical · Aim → Procedure → Output → Result

Open experiment ↗
Experiment 07 · pages 68–73

Static · RIP · OSPF · IPv6

Cisco practical · Aim → Procedure → Output → Result

Open experiment ↗
Experiment 08 · pages 74–81

ICMP · ARP · DHCP · NAT

Mixed practical · Aim → Procedure → Output → Result

Open experiment ↗
Experiment 09 · pages 82–88

TCP · UDP · Congestion

Python practical · Aim → Procedure → Output → Result

Open experiment ↗
Experiment 10 · pages 89–91

DNS · HTTP · DevTools

Commands practical · Aim → Procedure → Output → Result

Open experiment ↗
Experiment 12 · pages 100–104

REST API · Ping · Tracert

Python practical · Aim → Procedure → Output → Result

Open experiment ↗
Experiment 13 · pages 105–107

XOR · RSA Encryption

Python practical · Aim → Procedure → Output → Result

Open experiment ↗
Experiment 14 · pages 108–110

WPA2 · Four-way Handshake

Wireshark practical · Aim → Procedure → Output → Result

Open experiment ↗