Computer network courses can help you learn about network architecture, protocols, security measures, and troubleshooting techniques. You can build skills in configuring routers and switches, managing firewalls, and optimizing network performance. Many courses introduce tools like Wireshark for packet analysis, Cisco Packet Tracer for simulation, and various network monitoring software, allowing you to apply your knowledge in practical scenarios and enhance your technical expertise.
Skills you'll gain: Computer Networking, Network Troubleshooting, Network Administration, TCP/IP, General Networking, Routing Protocols, Network Protocols, Networking Hardware, Network Routing, Dynamic Host Configuration Protocol (DHCP), Network Security, Wireless Networks, Network Model, Data Integrity
★ 4.7 (53K) · Beginner · Course · 1 - 3 Months

Skills you'll gain: Network Security, Dynamic Host Configuration Protocol (DHCP), General Networking, Network Infrastructure, Computer Networking, Endpoint Security, Endpoint Detection and Response, Network Planning And Design, Network Protocols, Event Monitoring, Data Loss Prevention, TCP/IP, Network Monitoring, Network Troubleshooting, Cybersecurity, Firewall, Network Routers, Network Routing, Intrusion Detection and Prevention, Security Controls
★ 4.7 (3.5K) · Intermediate · Course · 1 - 3 Months

NVIDIA
Skills you'll gain: OSI Models, TCP/IP, Data Centers, Network Protocols, General Networking, Networking Hardware, Computer Networking, Network Switches
★ 4.6 (712) · Beginner · Course · 1 - 4 Weeks

University of Colorado System
Skills you'll gain: Cryptography, Public Key Infrastructure, Cybersecurity, Information Systems Security, Data Security, Firewall, Cyber Attacks, Data Encryption Standard, Penetration Testing, Network Security, Encryption, Advanced Encryption Standard (AES), Cryptographic Protocols, Intrusion Detection and Prevention, Metasploit, Application Security, Vulnerability Scanning, Cyber Security Policies, Secure Coding, Linux
★ 4 (605) · Intermediate · Specialization · 3 - 6 Months

University of Colorado System
Skills you'll gain: TCP/IP, Local Area Networks, Routing Protocols, Network Routing, Digital Communications, OSI Models, Network Protocols, Open Shortest Path First (OSPF), Communication Systems, Telecommunications, Network Architecture, Dynamic Host Configuration Protocol (DHCP), Network Planning And Design, Network Security, Network Performance Management, Computer Networking, General Networking, Wireless Networks, Software-Defined Networking, Algorithms
★ 4.6 (3.4K) · Intermediate · Specialization · 3 - 6 Months

Total Seminars
Skills you'll gain: Routing Protocols, Network Monitoring, TCP/IP, Network Troubleshooting, OSI Models, Network Infrastructure, Open Shortest Path First (OSPF), Virtual Local Area Network (VLAN), Wide Area Networks, Local Area Networks, Network Architecture, Network Switches, Network Routers, Network Protocols, Network Performance Management, Network Administration, Network Security, Virtual Private Networks (VPN), Networking Hardware, Network Analysis
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Routing Protocols, TCP/IP, Network Troubleshooting, OSI Models, Network Switches, Data Centers, Network Routers, Virtual Local Area Network (VLAN), Network Protocols, Network Security, Network Administration, General Networking, Network Routing, Virtualization and Virtual Machines, Computer Networking, Virtual Machines, Network Monitoring, Network Model, Networking Hardware, Network Planning And Design
★ 4.8 (74) · Intermediate · Specialization · 3 - 6 Months
Skills you'll gain: Network Security, Hardening, Network Protocols, Cloud Security, Network Architecture, TCP/IP, Computer Networking, General Networking, Firewall, Cloud Infrastructure, Security Controls, Cloud Computing, Virtual Private Networks (VPN)
★ 4.8 (7.4K) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Routing Protocols, Wide Area Networks, Network Security, Network Routing, Network Routers, Data Centers, Virtual Networking, TCP/IP, Open Shortest Path First (OSPF), Network Protocols, Network Switches, Virtual Machines, Network Administration, Virtual Local Area Network (VLAN), Virtualization, Wireless Networks, Virtual Private Networks (VPN), Network Monitoring, Network Troubleshooting, Network Architecture
★ 4.6 (14) · Beginner · Specialization · 3 - 6 Months

LearnQuest
Skills you'll gain: Network Monitoring, Network Administration, Network Security, Routing Protocols, Network Troubleshooting, OSI Models, TCP/IP, Computer Networking, Network Routers, Network Switches, General Networking, Command-Line Interface, Network Routing, Network Model, Network Protocols
★ 4.6 (115) · Beginner · Course · 1 - 4 Weeks

Logical Operations
Skills you'll gain: Routing Protocols, Network Routing, Virtual Local Area Network (VLAN), TCP/IP, Network Administration, Network Switches, General Networking, Network Architecture, Network Routers, Local Area Networks, Networking Hardware, Computer Networking, Network Infrastructure, Network Model, Network Protocols
★ 3.9 (18) · Mixed · Course · 1 - 3 Months

Amazon Web Services
Skills you'll gain: Network Routing, Routing Protocols, Network Performance Management, General Networking, Amazon Web Services
★ 4.4 (112) · Beginner · Course · 1 - 4 Weeks
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Top networking courses include Computer Communications from the University of Colorado and Google's Bits and Bytes of Computer Networking. These cover key topics like network protocols, IP addressing, DNS, routing, and cybersecurity.
Yes. Many networking courses offer a free audit option, which lets you access video lessons and reading materials at no cost. To earn a certificate or complete assessments, you’ll need to pay or apply for financial aid.
No prior experience is required for most beginner-level networking courses. They introduce concepts step by step and are suitable for learners looking to build a solid foundation in IT or computer science.
Yes. Networking is a core skill in many IT roles, including technical support, systems administration, and cybersecurity. Completing a course or certificate program can help you build job-ready skills and prepare for industry certifications like CompTIA Network+ or Cisco’s CCNA.