Deglecy Computer · Cybersecurity
Computer Networking Fundamentals
An intermediate-level, hands-on course covering network types, IP addressing, routing, switching, DNS, Wi-Fi, configuration, troubleshooting, and basic security through practical exercises and projects.
40lessons
Intermediatelevel
24 hoursto complete
0already enrolled
About this course
An intermediate-level, hands-on course covering network types, IP addressing, routing, switching, DNS, Wi-Fi, configuration, troubleshooting, and basic security through practical exercises and projects.
What’s included
Free to joinCreate an account and enroll at no cost.
Final examFinish all lessons, then take the exam.
CertificatePass the exam to earn your certificate.
Course content
Module 1: Network Types and Topologies5 lessons
LAN vs WAN vs MAN15 min
Network Topologies Overview20 min
Star, Bus, Ring, Mesh18 min
Intranet, Extranet, Internet12 min
Designing Simple Networks22 min
Module 2: IP Addressing and Subnetting5 lessons
IPv4 Address Structure16 min
Classful Addressing14 min
Subnet Masks Explained20 min
Calculating Subnets25 min
Configuring IP Settings18 min
Module 3: Routers and Switches5 lessons
Router Functions and Types15 min
Switch Operations12 min
MAC Address Tables18 min
Routing Basics20 min
VLAN Configuration22 min
Module 4: DNS and Network Services5 lessons
How DNS Works16 min
Domain Name Hierarchy14 min
DNS Record Types18 min
DHCP and NAT20 min
Setting Up DNS Server25 min
Module 5: Wi-Fi and Wireless Networks5 lessons
Wi-Fi Standards (802.11)15 min
SSID and Channel Planning12 min
Wireless Security Protocols20 min
Site Survey Basics18 min
Configuring Access Points22 min
Module 6: Network Configuration and Tools5 lessons
Network Interface Setup14 min
Using ipconfig and ifconfig16 min
Ping and Traceroute18 min
Network Monitoring Tools20 min
Bandwidth and Latency15 min
Module 7: Troubleshooting and Diagnostics5 lessons
Troubleshooting Methodology20 min
Cable and Hardware Tests16 min
Analyzing Network Logs18 min
Fixing Connectivity Issues22 min
Performance Bottleneck ID15 min
Module 8: Network Security Fundamentals5 lessons
Threats and Vulnerabilities15 min
Firewalls and Filters18 min
Encryption Basics20 min
Authentication Methods16 min
Securing Wireless Nets22 min