Practical General Networking: Wireless, Routers, Firewalls, and NAS
Configure routers, optimize wireless signals, set up secure firewalls, and manage network-attached storage for a reliable home or small office network.
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About this course
Course contents
5 modules · 26 lessons · 2h 49m
1
Networking Foundations
Understand how devices identify and communicate with each other on a local network.
- The Big Picture: How Data Moves
An overview of the local network journey from your device to the internet.6 min - IP Addresses: Your Digital Mailing Address
Understanding IPv4 structure and why every device needs a unique ID.7 min - Subnets: Dividing the Neighborhood
How subnets define the boundaries of your local network.7 min - DHCP: Automatic Address Assignment
How your network automatically hands out IP addresses to new devices.6 min - DNS and Gateways
The role of the Default Gateway and how DNS translates names to IPs.6 min
2
Router Configuration & Remote Access
Take control of your router and set up secure paths for outside access.
- Router Hardware and Interfaces
Identifying WAN/LAN ports and accessing the web management console.6 min - Basic Router Setup
Configuring the internet connection and essential LAN settings.7 min - Static IPs and Reservations
Ensuring important devices like servers always have the same address.6 min - Port Forwarding Explained
Directing external traffic to specific internal devices safely.7 min - Dynamic DNS (DDNS) for Remote Access
Using a domain name to find your home network even when your IP changes.7 min
3
Wireless Network Optimization
Master Wi-Fi standards and settings for maximum speed and security.
- Wi-Fi Standards: From N to Wi-Fi 6E
Understanding the differences between 802.11 standards and hardware compatibility.6 min - Frequencies: 2.4GHz vs 5GHz vs 6GHz
Choosing the right band for range versus speed.6 min - Channel Selection and Interference
How to pick non-overlapping channels to avoid neighbor interference.7 min - Wireless Security: WPA2 vs WPA3
Implementing the latest encryption standards to keep intruders out.6 min - Physical Placement and Coverage
Optimizing router location and understanding signal obstacles.6 min
4
NAS: Storage and Data Management
Set up a centralized storage system for sharing files and securing data.
- Introduction to NAS
Why you need Network-Attached Storage and how it differs from cloud storage.6 min - Initial NAS Setup
Installing drives, choosing RAID levels, and initializing the system.7 min - Centralized File Sharing (SMB/NFS)
Setting up shared folders that appear as drives on your computers.7 min - User Permissions and Access Control
Managing who can see, edit, or delete specific files on the NAS.6 min - The 3-2-1 Backup Strategy
Using your NAS to automate backups and protect against data loss.7 min
5
Security and Troubleshooting
Protect your network from threats and fix issues when they arise.
- Firewall Fundamentals
How firewalls inspect traffic and the concept of 'Stateful Inspection'.7 min - Creating Basic Firewall Rules
Writing rules to block or allow specific traffic based on IP and Port.7 min - Security Risks: UPnP and DMZ
Why you should avoid 'easy' settings that leave your network vulnerable.6 min - Systematic Troubleshooting Techniques
Using the 'Bottom-Up' approach to isolate network failures.7 min - Diagnostic Tools: Ping and Traceroute
Using basic command-line tools to test connectivity and latency.7 min - Final Network Health Check
Reviewing your configuration for performance bottlenecks and security gaps.6 min
The Secure Home-Office Blueprint
Design a complete network map and configuration plan for a hypothetical home office that includes a router, a NAS, and wireless devices.
What you'll get
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Certificate of completion
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Short & focused
2h 49m of practical content
Certificate of completion
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Frequently asked
What do I need to take this course? +
Just a phone or computer with internet. No installs, no special hardware.
How do I pay? +
By card via Stripe. We don’t store card details — Stripe handles them securely.
Can I get a refund? +
Yes — full refund within 14 days, no questions asked.
How long will I have access? +
Forever. Once you purchase, the course is yours to revisit anytime.
Will I get a certificate? +
Yes. On completion you'll receive a certificate you can add to your LinkedIn profile.
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