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Infrastructure / Beginner

Computer Networking Fundamentals Tutorial

A focused Computer Networking Fundamentals curriculum from fundamentals through practical and advanced topics, with topic-specific examples.

80 lessons~16 hoursvTCP/IP workspace_premium Certificate available
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Course curriculum

MODULE 01
Models & Fundamentals
10 lessons
1OSI model
12 min
2TCP IP model
12 min
3Encapsulation
12 min
4Frames packets and segments
12 min
5Bandwidth versus throughput
12 min
6Latency and jitter
12 min
7Unicast multicast broadcast
12 min
8MAC address
12 min
9MTU
12 min
10Network interface
12 min
MODULE 02
Ethernet & LAN
10 lessons
1Ethernet frame
12 min
2ARP request
12 min
3ARP cache
12 min
4Switch MAC table
12 min
5VLAN tagging
12 min
6Access port
12 min
7Trunk port
12 min
8STP concept
12 min
9Link aggregation
12 min
10PoE concept
12 min
MODULE 03
IPv4
10 lessons
1IPv4 address
12 min
2Subnet mask
12 min
3CIDR notation
12 min
4Private IPv4 ranges
12 min
5Loopback address
12 min
6Default gateway
12 min
7Subnet calculation
12 min
8Broadcast address
12 min
9Static route
12 min
10ICMP ping
12 min
MODULE 04
IPv6
10 lessons
1IPv6 address
12 min
2IPv6 compression
12 min
3IPv6 loopback
12 min
4Link-local address
12 min
5Global unicast address
12 min
6IPv6 prefix length
12 min
7SLAAC
12 min
8Neighbor discovery
12 min
9IPv6 multicast
12 min
10Dual stack
12 min
MODULE 05
Transport Layer
10 lessons
1TCP three-way handshake
12 min
2TCP sequence numbers
12 min
3TCP acknowledgments
12 min
4TCP flow control
12 min
5TCP congestion concept
12 min
6TCP connection close
12 min
7UDP datagram
12 min
8TCP versus UDP
12 min
9Port numbers
12 min
10Socket tuple
12 min
MODULE 06
Core Services
10 lessons
1DNS lookup
12 min
2DNS A record
12 min
3DNS AAAA record
12 min
4DNS CNAME
12 min
5DNS MX record
12 min
6DHCP lease
12 min
7NAT
12 min
8PAT
12 min
9NTP
12 min
10mDNS
12 min
MODULE 07
Web & Security Protocols
10 lessons
1HTTP request
12 min
2HTTP response status
12 min
3HTTPS
12 min
4TLS handshake concept
12 min
5TLS certificate inspection
12 min
6SSH
12 min
7SFTP
12 min
8SMTP
12 min
9IMAP
12 min
10WebSocket upgrade
12 min
MODULE 08
Routing & Troubleshooting
10 lessons
1Routing table
12 min
2Longest prefix match
12 min
3Static routing
12 min
4Dynamic routing concept
12 min
5OSPF concept
12 min
6BGP concept
12 min
7traceroute
12 min
8nslookup and dig
12 min
9netstat and ss
12 min
10Packet capture with tcpdump
12 min
Certificate Included

Computer Networking Fundamentals Certificate

Earn this credential in either of two ways: complete 100% of the course, or take the master exam directly and score 85% or higher. You do not need to finish the course before attempting the exam.

Course completion path
Finish every published lesson → completion certificate is issued automatically.
Mastery exam path
15 MCQs · 100 marks · 30 minutes · 85% pass · 4 attempts.
Fresh questions each attemptNo backtrackingPublic verificationAdd to LinkedIn
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