
System and network technician training
Gain the hands-on technical skills that employers demand in system and network support roles. This training covers everything from hardware assembly and IP subnetting to firewall configuration and structured troubleshooting. You will graduate ready to install, manage, and secure real-world IT infrastructure from day one.
What you will learn:
You will master the full stack of skills a working system and network technician requires. The training covers OS administration on both Windows and Linux, IP addressing, subnetting, routing, and switching. You will configure VLANs, wireless networks, firewalls, and VPNs using industry-standard methods. Hardware installation, RAID setup, and structured cabling are covered in practical detail. You will also learn network monitoring, incident troubleshooting, backup strategies, and IT service management processes. By the end, you will have the technical depth to support, secure, and maintain enterprise IT environments.
How you study in practice System and network technician training
How you practise System and network technician training
For companies looking to train their teams
With Dedika for Businesses, the course includes exercises and examples tailored to your own business and the specific needs of your company.
Course content
8 Chapters • 40 LessonsDuration between 4 and 360 hours (you decide)
Chapter 1HideHide detailsSee detailsFoundations of IT Systems and Networks
Foundations of IT Systems and Networks
Lesson 1 • Core Hardware Components
Covers CPUs, RAM, storage, and motherboards as physical building blocks. Establishes hardware literacy needed for all subsequent diagnostic work.
Lesson 2 • Binary, Hex, and IP Addressing
Teaches number-base conversion and IPv4/IPv6 address structure. Prepares technicians for subnetting and address configuration tasks.
Lesson 3 • The OSI and TCP/IP Models
Maps the seven OSI layers and the TCP/IP stack to real device behaviour. Enables precise fault isolation by layer during troubleshooting.
Lesson 4 • Operating System Fundamentals
Introduces OS roles, kernel functions, and file system structures. Provides the software context required for configuration and troubleshooting tasks.
Lesson 5 • Networking Concepts and Terminology
Defines packets, protocols, bandwidth, and latency in practical terms. Creates shared vocabulary used throughout every networking chapter.
Chapter 2HideHide detailsSee detailsHardware Installation and Configuration
Hardware Installation and Configuration
Lesson 1 • BIOS and UEFI Configuration
Explains firmware interfaces, boot order settings, and hardware enable/disable options. Connects firmware control to OS installation and hardware compatibility.
Lesson 2 • Storage Configuration and RAID
Covers partitioning, formatting, and RAID levels 0 through 10. Prepares technicians to configure storage for performance and redundancy requirements.
Lesson 3 • Workplace Safety and ESD Prevention
Covers electrostatic discharge risks, grounding techniques, and tool safety. Prevents hardware damage and personal injury during all physical work.
Lesson 4 • Peripheral and Driver Management
Addresses driver installation, device manager use, and peripheral connectivity. Ensures technicians can resolve device recognition and compatibility issues.
Lesson 5 • System Assembly and Component Seating
Guides CPU installation, RAM seating, and drive connections step by step. Builds the manual dexterity and procedural discipline required for field work.
Chapter 3HideHide detailsSee detailsNetwork Infrastructure and Cabling
Network Infrastructure and Cabling
Lesson 1 • Copper Cabling Standards and Categories
Covers Cat5e through Cat8 specifications, pinout standards, and distance limits. Establishes the physical layer knowledge required for all wired deployments.
Lesson 2 • Cable Testing and Certification
Covers continuity testing, wiremap verification, and certification tool use. Ensures installed cabling meets performance standards before network activation.
Lesson 3 • Fibre Optic Cabling Fundamentals
Explains single-mode and multimode fibre, connector types, and light transmission. Prepares technicians for backbone and high-speed link installations.
Lesson 4 • Network Devices and Their Roles
Distinguishes hubs, switches, routers, and access points by function and layer. Provides device selection criteria for designing functional network topologies.
Lesson 5 • Structured Cabling and Patch Panels
Teaches TIA/EIA structured cabling design, patch panel termination, and labelling. Links physical plant organisation to efficient moves, adds, and changes.
Chapter 4HideHide detailsSee detailsIP Addressing, Subnetting, and Routing
IP Addressing, Subnetting, and Routing
Lesson 1 • DHCP and DNS Configuration
Covers DHCP scope setup, lease management, and DNS record types. Connects address automation and name resolution to everyday network operations.
Lesson 2 • IPv6 Addressing and Transition
Covers IPv6 address types, prefix allocation, and dual-stack operation. Prepares technicians for networks running both IPv4 and IPv6 simultaneously.
Lesson 3 • Network Address Translation
Explains static NAT, PAT, and overload configurations with practical examples. Enables technicians to connect private address spaces to public networks.
Lesson 4 • Static and Dynamic Routing Concepts
Explains routing tables, static routes, and dynamic protocol categories. Builds the conceptual base for configuring and verifying routed paths.
Lesson 5 • IPv4 Subnetting in Depth
Teaches CIDR notation, subnet mask math, and host range calculation. Enables technicians to divide address space to match any network design requirement.
Chapter 5HideHide detailsSee detailsSwitching, VLANs, and Wireless Networks
Switching, VLANs, and Wireless Networks
Lesson 1 • Managed Switch Configuration
Covers CLI access, port configuration, and switch management interfaces. Establishes the command-line fluency needed for all switch-based tasks.
Lesson 2 • Wireless Access Point Deployment
Addresses AP placement, SSID configuration, and controller-based management. Ensures consistent coverage and roaming performance across enterprise environments.
Lesson 3 • Link Aggregation and Redundancy
Explains EtherChannel, LACP, and Spanning Tree redundancy mechanisms. Provides high-availability techniques for critical switch infrastructure.
Lesson 4 • Wireless Standards and RF Fundamentals
Covers 802.11 standards, frequency bands, and channel planning principles. Builds the RF knowledge required for effective wireless deployment.
Lesson 5 • VLAN Design and Implementation
Teaches VLAN creation, port assignment, and inter-VLAN routing methods. Enables logical traffic segmentation without additional physical infrastructure.
Chapter 6HideHide detailsSee detailsOperating System Administration
Operating System Administration
Lesson 1 • File Systems and Storage Management
Covers NTFS permissions, Linux mount points, and disk quota enforcement. Ensures technicians can manage data access and storage capacity effectively.
Lesson 2 • User and Access Management
Explains local and directory-based accounts, role assignment, and password policies. Connects identity management to security and compliance requirements.
Lesson 3 • Scripting and Task Automation
Introduces PowerShell and Bash scripting for repetitive administrative tasks. Reduces manual effort and human error in routine system maintenance.
Lesson 4 • Windows Administration Essentials
Covers user accounts, group policies, and system services in Windows environments. Provides the administrative skills required for most enterprise desktop and server work.
Lesson 5 • Linux Command Line Proficiency
Teaches file navigation, permissions, and process management via the Bash shell. Enables technicians to administer Linux servers and embedded network devices.
Chapter 7HideHide detailsSee detailsNetwork Security Fundamentals
Network Security Fundamentals
Lesson 1 • Endpoint and Wireless Security
Addresses host-based firewalls, endpoint protection, and wireless security protocols. Extends defence-in-depth from the network perimeter to individual devices.
Lesson 2 • Firewall Configuration and ACLs
Covers stateful firewall rules, zone-based policies, and access control lists. Enables technicians to enforce traffic filtering at network boundaries.
Lesson 3 • Threat Landscape and Attack Types
Surveys malware, phishing, DoS, and man-in-the-middle attack categories. Provides the threat context needed to justify and prioritise security controls.
Lesson 4 • VPN Technologies and Encryption
Explains IPsec, SSL/TLS VPNs, and tunnelling protocols with configuration steps. Secures remote access and site-to-site connectivity for distributed organisations.
Lesson 5 • Network Monitoring and IDS/IPS
Covers SNMP, syslog, NetFlow, and intrusion detection system deployment. Connects continuous visibility to rapid incident detection and response.
Chapter 8HideHide detailsSee detailsTroubleshooting Methodology and Advanced Diagnostics
Troubleshooting Methodology and Advanced Diagnostics
Lesson 1 • Escalation and Incident Documentation
Covers ticket management, escalation criteria, and post-incident reporting standards. Ensures knowledge transfer and continuous improvement after every resolved fault.
Lesson 2 • Hardware Diagnostic Tools and Techniques
Covers POST codes, hardware diagnostics software, and thermal monitoring tools. Enables rapid identification of failing components before full system failure.
Lesson 3 • Network Diagnostic Commands
Applies ping, traceroute, nslookup, netstat, and Wireshark to live faults. Builds command-line diagnostic fluency for both Windows and Linux platforms.
Lesson 4 • Structured Troubleshooting Models
Teaches the OSI-layer approach, divide-and-conquer, and top-down methodologies. Provides a repeatable framework that reduces mean time to resolution.
Lesson 5 • Performance Baselining and Analysis
Explains how to capture baselines, identify anomalies, and interpret performance data. Connects proactive monitoring to faster fault isolation during incidents.
Your valid completion certificate
This course is for you:
Career changers: seeking a practical entry point into the IT industry.
Help desk agents: ready to move beyond tickets into infrastructure roles.
IT hobbyists: wanting to turn personal lab experience into professional credentials.
Military veterans: translating technical service experience into civilian tech careers.
Small business owners: needing to manage and troubleshoot their own IT systems.
Recent graduates: building hands-on skills that classroom theory alone did not provide.
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