Beginner
🌐
Network 101
Understand how networks operate — TCP/IP, subnetting, routing, switching, DNS, wireless, and troubleshooting methodology for enterprise environments.
📖 15 Modules
⏱ ~25 Hours
🎓 Certificate of Completion
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Notify Me When Available →Syllabus
Course Content
01
Introduction to Networking
⏱ ~1.5 hours
Why networking matters
Types of networks: LAN, WAN, MAN
Network topologies and models
Careers in networking
02
The OSI & TCP/IP Models
⏱ ~2 hours
7 layers of the OSI model
TCP/IP model mapping
Encapsulation and de-encapsulation
Protocol Data Units (PDUs)
03
IP Addressing & Subnetting
⏱ ~2.5 hours
IPv4 addressing and classes
Subnet masks and CIDR notation
Subnetting practice
IPv6 fundamentals
04
Ethernet & Switching
⏱ ~2 hours
Ethernet standards and frames
MAC addresses and ARP
Switch operation and MAC table
VLANs (802.1Q) and trunking
05
Routing Fundamentals
⏱ ~2 hours
How routers forward packets
Static vs dynamic routing
RIP, OSPF, and EIGRP overview
Default gateway and routing tables
06
TCP, UDP & Transport Layer
⏱ ~1.5 hours
TCP three-way handshake
UDP characteristics
Port numbers and sockets
Flow control and windowing
07
DNS, DHCP & Core Services
⏱ ~1.5 hours
DNS resolution process
DHCP lease process (DORA)
NTP, SNMP, Syslog
HTTP/HTTPS basics
08
Wireless Networking
⏱ ~1.5 hours
Wi-Fi standards (802.11a/b/g/n/ac/ax)
SSID, channels, and frequency bands
Wireless security: WPA2, WPA3
Site surveys and AP placement
09
Network Security Basics
⏱ ~1.5 hours
Firewalls and ACLs
NAT and PAT
VPN fundamentals
Port security and 802.1X intro
10
Network Monitoring & Management
⏱ ~1.5 hours
SNMP and MIBs
Syslog and log aggregation
Bandwidth monitoring tools
Network diagrams and documentation
11
WAN Technologies
⏱ ~1 hour
Leased lines and MPLS
SD-WAN overview
Internet connectivity options
WAN optimization
12
Cloud Networking
⏱ ~1 hour
Virtual networks and VPCs
Cloud load balancing
Hybrid connectivity
Network-as-a-Service
13
Network Troubleshooting Methodology
⏱ ~1.5 hours
Structured troubleshooting approach
ping, traceroute, nslookup, netstat
Packet capture with Wireshark
Common network issues and fixes
14
Network Design Principles
⏱ ~1 hour
Three-tier architecture
Redundancy and high availability
Scalability considerations
Documentation standards
15
Capstone Lab — Network Build
⏱ ~2.5 hours
Design a small office network
Configure routers and switches
Implement VLANs and routing
Test and document the deployment
What You'll Learn
Learning Outcomes
🌐
Network Architecture
Understand LAN/WAN design and the OSI/TCP-IP models.
🔌
Routing & Switching
Configure routers, switches, VLANs, and trunks.
📡
Wireless & Security
Deploy secure wireless networks with proper standards.
🔍
Troubleshooting
Diagnose and fix network issues using industry tools.
Prerequisites
Before You Start
✅IT 101 or equivalent knowledge recommended
💻A computer with internet access
🧠Basic understanding of operating systems
Lab Environment
What You'll Use
🖥️GNS3 or EVE-NG
🪟Windows 10 / 11
🐧Ubuntu Server
📦Wireshark