# Enterprise IT Visual Lab — IT Network & Systems Toolkit > IT Network & Systems Toolkit (iPhone/iPad app by Yuhsiu Lai.) - Source: https://appshunter.io/ios/app/enterprise-it-visual-lab/id6765958946 (this page in markdown: same URL + `.md`) - Developer: [Yuhsiu Lai](https://appshunter.io/developer/433114647) - Category: Education, Utilities - Price: $2.99 (on sale, was $7.99) - Age rating: 4+ - Requires: iOS 17.0 · 61 MB - Languages: American English - Released: 2026-05-04 - Data updated: 2026-09-06 - User reviews in markdown: https://appshunter.io/ios/app/enterprise-it-visual-lab/id6765958946/reviews.md ## What is Enterprise IT Visual Lab? Enterprise IT Visual Learning Studio is the most complete hands-on networking study app for IT professionals, students, and certification candidates. 8 Curriculum Modules — 500+ Pages of Structured Content Learn enterprise networking from the ground up across eight deep-dive modules: Network Fundamentals, Routing & Switching, Network Security, Cloud Networking, Infrastructure & Virtualization, IT Operations & Monitoring, Wireless & SD-WAN, and Network Automation & DevOps. Every lesson includes concept explanations, real-world examples, configuration code, and a quiz to lock in knowledge. Certification Exam Prep Prepare for the industry's top networking certifications with full timed mock exams, domain-based scoring, and 60+ questions per exam. Coverage includes Network+, Security+, CCNA, and Cloud Practitioner. Identify your weak areas and focus your study time where it counts. Interactive Lab Simulators Reinforce theory with hands-on simulators built into the app — no hardware required. Simulate BGP route selection, capture and dissect packets, calculate IPv6 subnets with EUI-64, watch TLS 1.3 handshakes in real time, and trace STP convergence step by step. Additional simulators cover OSPF, RIP, VLAN segmentation, ACL packet filtering, subnetting, and more. Gamified Learning System Build momentum with daily study streaks, XP earned per lesson, levels, and 11 unlockable achievement badges. The more consistently you study, the faster you advance. Flashcards & Quick Review Study Cards cover 80+ key concepts with spaced-repetition-style flashcards. Bookmark any lesson and use the Saved tab's Quick Review Quiz to test yourself on exactly the material you flagged. Challenges & Projects Scenario-based challenges test your ability to apply knowledge to real network problems — from subnetting and ACL design to BGP troubleshooting and cloud architecture. Guided projects walk through complete network designs with code and diagrams. Reference Library Instant access to ports & protocols, CLI commands, subnetting tables, OSI model, and a full glossary — everything you need to look something up fast without leaving the app. Illustrated Network Diagrams A visual diagram gallery covers key network architectures: three-tier campus, cloud VPC design, firewall zones, VPN topologies, SD-WAN overlays, and more. Light & Dark Mode · Dynamic Type · iPad & iPhone Optimized for all screen sizes. Choose your preferred appearance from the toolbar. All text scales with your device's accessibility settings. Enterprise IT Visual Learning Studio is an independent educational app. Certification names are used for descriptive purposes only. ## Version history (last 3 releases) ### 3.0 — 2026-06-13 Version 3.0 - Biggest update yet. NEW MODULES - Module 7: Wireless & SD-WAN - Wi-Fi 6/6E, WPA3/SAE, enterprise WLAN design, and SD-WAN architecture with app-aware routing policies. - Module 8: Network Automation - Python + Netmiko scripting, Ansible playbooks, and Terraform for cloud infrastructure as code. CERTIFICATION EXAM PREP Full timed mock exams for Network+, Security+, CCNA, and Cloud Practitioner. Domain scoring, weak-area breakdown, and 60+ questions per cert. FIVE NEW LAB SIMULATORS BGP Route Simulator, Packet Capture Dissector, IPv6 Calculator with EUI-64, TLS 1.3 Handshake, and STP Convergence Simulator. STREAKS, XP & ACHIEVEMENTS Daily study streaks, XP per lesson, levels, and 11 unlockable achievement badges. SAVED LESSONS & QUICK QUIZ Bookmark lessons and quiz yourself on exactly what you saved - great for exam day cramming. LIGHT MODE & DYNAMIC TYPE Choose Dark, Light, or System appearance. All text scales with your device accessibility settings. ### 2.0 — 2026-05-19 Version 2.0 adds four major new features: Challenge Mode - 20 timed real-world IT troubleshooting scenarios with live countdown, session scoring, and high score tracking. Flashcard Study - 80 interactive CCNA and Network+ flashcards across six categories with flip animation and session progress tracking. SPF and Dijkstra Simulator - Step through shortest-path-first on a 5-router topology and simulate link failure reconvergence. 36 Network Diagrams - Full-screen swipeable reference diagrams across OSI, IP, Campus, Data Center, Security, Cloud, and Protocol categories. ### 1.0 — 2026-05-05 No release notes. ## More apps by Yuhsiu Lai - [Availability and Reliability](https://appshunter.io/ios/app/availability-and-reliability/id435033141) - [Battery Capacity Calculator](https://appshunter.io/ios/app/battery-capacity-calculator/id445176473) - [48VDC Power System](https://appshunter.io/ios/app/48vdc-power-system/id449477913) - [NEC Electrical Code Tools](https://appshunter.io/ios/app/nec-electrical-code-tools/id469334093) - [Engineer's Toolset](https://appshunter.io/ios/app/engineers-toolset/id478486737) - [Battery Current Simulator](https://appshunter.io/ios/app/battery-current-simulator/id488430945) All apps by Yuhsiu Lai: https://appshunter.io/developer/433114647 --- *Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-09-06.*