NetMaster: Learn Networking

CLEANTIX HYGIENE (PRIVATE) LIMITED

About this app

NetMaster is the ultimate 100% offline study hub designed for computer networking students, IT professionals, software engineers, and certification aspirants preparing for CCNA, Network+, and Enterprise Architect exams.

Whether you are starting from absolute foundations or mastering advanced cloud routing protocols, NetMaster provides a structured 8-module masterclass, real-time interactive engineering sandboxes, and active recall streak challenges without requiring any internet connection or user login.

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📚 COMPREHENSIVE 8-MODULE CURRICULUM

1. Foundations & Physical Layer: Network topologies (Star, Mesh, Ring), Copper UTP/STP, Single-Mode & Multi-Mode Fiber Optics, Layer 1-7 hardware devices, Collision vs Broadcast domains, and OSI vs TCP/IP 4-Layer models.
2. Link Layer & Switching: Ethernet II frame structures, 48-bit MAC addressing, ARP caching & gratuitous ARP, 802.1Q VLAN trunking, and Spanning Tree Protocol (STP / RSTP 802.1w).
3. Network Layer & IP Addressing: IPv4 addressing, CIDR host math, RFC 1918 Private IPs, Static/Dynamic NAT, PAT/SNAT, IPv6 128-bit architecture, SLAAC autoconfiguration, and ICMP diagnostic mechanics.
4. Routing Protocols & Architecture: Routing table lookups, Longest Prefix Match (LPM) algorithms, Administrative Distance (AD), Single & Multi-Area OSPF (LSA types & SPF math), and BGP Autonomous System path vectors.
5. Transport Layer & Flow Control: TCP 3-Way Handshake, 4-Way Teardown, Sliding Window Protocol, Congestion Avoidance algorithms (Slow Start, Fast Retransmit), and UDP datagram mechanics.
6. Application Protocols: DNS recursive/iterative hierarchy, HTTP/1.1 to HTTP/3 QUIC evolution, and DHCP DORA lease workflows.
7. Network Security & Cryptography: Next-Gen Firewalls (NGFW), DMZ design, IDS vs IPS, TLS 1.3 1-RTT Handshake, IPsec VPNs, WireGuard, ARP spoofing, and DDoS mitigation strategies.
8. Wireless, Cloud & Modern SDN: 802.11ax/be (Wi-Fi 6E & Wi-Fi 7), WPA3 SAE security, Control Plane vs Data Plane separation, OpenFlow, and Virtual Private Cloud (VPC) subnets.

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⚡ INTERACTIVE ENGINEERING HANDS-ON TOOLS

• Bitwise Subnet Calculator: Calculate network IDs, broadcast addresses, wildcard masks, usable host ranges, and binary bit masks in real time with interactive CIDR controls.
• CLI Diagnostic Terminal Sandbox: Practice network troubleshooting commands offline using simulated terminal diagnostics including ping, traceroute, nslookup, netstat, arp -a, and ipconfig /all.

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🧠 ACTIVE RECALL & DAILY STREAK CHALLENGES

• Topic of the Day: Featured daily networking protocol selected automatically to keep your knowledge sharp.
• Daily Streaks: Track consecutive study days with local persistence to build long-term retention.
• Flashcards & Quizzes: Unit end flashcard flips and multiple-choice quizzes with instant explanation feedback.

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🔒 100% OFFLINE & PRIVACY FIRST

NetMaster runs completely offline on your device. Zero account creation, zero tracking, and zero internet connection required.

Master computer networking today with NetMaster!

What’s new

Initial Release of NetMaster: Full-Stack Offline Networking Education Hub!