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Networking, Mobile Devices, Virtualization, and Security Course
More than 2 million students worldwide

Networking, Mobile Devices, Virtualization, and Security Course

Master the four pillars of modern IT infrastructure — networking, mobile devices, virtualisation, and security — in one comprehensive course. From subnetting and switching to cloud deployments and incident response, every topic is built for real-world application. Whether you are launching your IT career or levelling up your skills, this course delivers the technical depth employers demand.

Dedika for businesses

What you'll learn:

  • Configure switches, routers, and VLANs to build scalable, segmented enterprise networks.

  • Understand wireless standards, RF fundamentals, and WLAN architecture for enterprise deployments.

  • Manage mobile devices across BYOD, COPE, and CYOD models using MDM and MAM platforms.

  • Deploy virtual machines, containers, and hypervisors while optimising resource allocation and availability.

  • Implement cloud service models and hybrid infrastructure with secure connectivity and governance controls.

  • Apply security frameworks, cryptography, VPN technologies, and incident response procedures to protect enterprise environments.

How you study in practice Networking, Mobile Devices, Virtualization, and Security Course

How you practise Networking, Mobile Devices, Virtualization, and Security Course

For businesses looking to train their team

With Dedika for businesses, the course includes exercises and examples tailored to your own business and the way your company needs.

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Course content

8 Chapters • 40 LessonsDuration between 4 and 360 hours (you decide)

Chapter 1See details

Networking Fundamentals and Models

  • Lesson 1 • Network Devices and Their Roles

    Distinguishes hubs, switches, routers, and firewalls by function and OSI layer. Prepares students to select appropriate devices for specific network segments.

  • Lesson 2 • Network Topologies and Media Types

    Examines physical and logical topologies alongside wired and wireless media. Connects topology choice to performance, fault tolerance, and cost trade-offs.

  • Lesson 3 • OSI and TCP/IP Reference Models

    Covers the seven OSI layers and the four TCP/IP layers, mapping each to real protocols. Establishes the conceptual framework used throughout all networking topics.

  • Lesson 4 • Core Network Protocols and Services

    Introduces DNS, DHCP, HTTP/S, FTP, and SMTP as essential application-layer services. Demonstrates how each protocol supports everyday network operations.

  • Lesson 5 • IP Addressing and Subnetting

    Teaches IPv4 and IPv6 addressing schemes, CIDR notation, and subnet calculation. Provides the addressing skills required for all subsequent routing and switching chapters.

Chapter 2See details

Switching, Routing, and Network Infrastructure

  • Lesson 1 • Static and Dynamic Routing

    Teaches static route configuration and introduces OSPF and EIGRP as dynamic protocols. Builds the routing knowledge needed for enterprise and WAN connectivity.

  • Lesson 2 • VLAN Design and Trunking

    Covers VLAN creation, port assignment, and 802.1Q trunk configuration. Enables logical network segmentation for security and traffic management.

  • Lesson 3 • Ethernet Switching Concepts

    Explains MAC address learning, frame forwarding, and the Spanning Tree Protocol. Directly supports VLAN and trunk configuration covered in the next section.

  • Lesson 4 • Network Address Translation and DHCP

    Explains NAT types, PAT, and DHCP server configuration for address management. Reinforces IP addressing concepts and prepares students for firewall and security topics.

  • Lesson 5 • WAN Technologies and Connectivity

    Surveys MPLS, broadband, leased lines, and SD-WAN as enterprise WAN options. Connects WAN selection to bandwidth, latency, and cost requirements.

Chapter 3See details

Wireless Networking Technologies

  • Lesson 1 • RF Fundamentals and Wireless Standards

    Covers radio frequency behaviour, channel planning, and IEEE 802.11 standard evolution. Provides the physical-layer foundation for all wireless configuration topics.

  • Lesson 2 • WLAN Architecture and Components

    Distinguishes autonomous APs, lightweight APs, and wireless LAN controllers. Connects architecture choice to scalability and centralised management needs.

  • Lesson 3 • Wireless Security Protocols

    Examines WEP weaknesses, WPA2, and WPA3 improvements for WLAN protection. Directly feeds into the network security chapter by establishing wireless threat context.

  • Lesson 4 • WLAN Configuration and Optimisation

    Teaches SSID setup, QoS policies, and power/channel tuning for optimal performance. Applies RF and architecture knowledge to real deployment scenarios.

Chapter 4See details

Mobile Devices and Device Management

  • Lesson 1 • Mobile Security and Troubleshooting

    Addresses mobile malware, jailbreaking, rooting risks, and common connectivity issues. Integrates mobile security into the broader security posture covered later.

  • Lesson 2 • Mobile Hardware and Operating Systems

    Surveys iOS and Android architectures, SoC components, and display technologies. Establishes hardware literacy needed for mobile troubleshooting and MDM configuration.

  • Lesson 3 • Mobile Connectivity Technologies

    Covers cellular generations, Wi-Fi calling, Bluetooth, and NFC for mobile connectivity. Connects mobile radio technologies to enterprise network access policies.

  • Lesson 4 • Mobile Device Management Platforms

    Introduces MDM, MAM, and EMM frameworks for enterprise device control. Prepares students to enforce policies, push apps, and remotely wipe devices.

  • Lesson 5 • BYOD, COPE, and Deployment Models

    Compares BYOD, COPE, COBO, and CYOD ownership models and their security implications. Guides policy decisions for balancing user privacy with corporate data protection.

Chapter 5See details

Virtualisation Concepts and Technologies

  • Lesson 1 • Virtual Networking and Storage

    Explains virtual switches, VLANs in hypervisors, and shared storage options like SAN and NAS. Connects physical networking knowledge to virtual infrastructure design.

  • Lesson 2 • High Availability and Fault Tolerance

    Covers clustering, HA failover, fault tolerance, and disaster recovery in virtual environments. Applies virtualisation skills to business continuity requirements.

  • Lesson 3 • Containers and Microservices

    Distinguishes containers from VMs, introduces Docker and Kubernetes basics. Prepares students for cloud-native workloads and modern application deployment patterns.

  • Lesson 4 • Virtualisation Fundamentals

    Defines virtualisation, explains Type 1 vs. Type 2 hypervisors, and covers key benefits. Establishes the conceptual base for all VM, container, and cloud topics.

  • Lesson 5 • Virtual Machine Lifecycle Management

    Covers VM creation, snapshots, cloning, migration, and deletion workflows. Builds operational skills for managing virtualised workloads in enterprise environments.

Chapter 6See details

Cloud Computing and Hybrid Infrastructure

  • Lesson 1 • Hybrid Cloud Management and Governance

    Addresses identity federation, policy enforcement, and monitoring across hybrid environments. Integrates cloud governance with on-premises security and compliance frameworks.

  • Lesson 2 • Cloud Networking and Connectivity

    Covers virtual private clouds, subnets, security groups, and cloud-to-on-premises VPN. Extends routing and switching knowledge into cloud network design.

  • Lesson 3 • Cloud Deployment Models

    Compares public, private, hybrid, and community cloud deployments by control and cost. Guides architecture decisions based on compliance, latency, and budget constraints.

  • Lesson 4 • Cloud Storage and Compute Services

    Examines object, block, and file storage types alongside auto-scaling compute groups. Prepares students to size and optimise cloud workloads for performance and cost.

  • Lesson 5 • Cloud Service Models

    Defines IaaS, PaaS, SaaS, and FaaS with shared responsibility boundaries for each. Connects cloud service selection to organisational control and operational needs.

Chapter 7See details

Network and System Security Fundamentals

  • Lesson 1 • VPN Technologies and Secure Remote Access

    Covers IPsec, SSL/TLS VPN, split tunneling, and zero-trust network access models. Enables secure connectivity for remote workers and site-to-site links.

  • Lesson 2 • Firewalls, IDS, and IPS

    Distinguishes stateful firewalls, NGFW, IDS, and IPS by detection and enforcement capability. Connects device selection to network zone design and threat response requirements.

  • Lesson 3 • Common Attacks and Mitigation Techniques

    Analyses DoS, DDoS, MITM, phishing, and SQL injection with corresponding defences. Prepares students to recognise and respond to real-world attack scenarios.

  • Lesson 4 • Security Concepts and Threat Landscape

    Defines the CIA triad, threat actors, attack vectors, and common vulnerability types. Establishes the security vocabulary and mindset used throughout all remaining chapters.

  • Lesson 5 • Cryptography and PKI

    Explains symmetric and asymmetric encryption, hashing, digital signatures, and certificate authorities. Provides the cryptographic foundation for VPN, TLS, and wireless security.

  • Lesson 6 • Authentication, Authorisation, and Access Control

    Covers MFA, SSO, RBAC, and least-privilege principles for identity management. Directly supports secure network and cloud access configurations.

Chapter 8See details

Advanced Security Operations and Compliance

  • Lesson 1 • Security Monitoring and SIEM

    Covers log collection, correlation rules, dashboards, and alert triage in SIEM platforms. Builds the monitoring skills needed for proactive threat detection and response.

  • Lesson 2 • Incident Response and Digital Forensics

    Teaches the incident response lifecycle, evidence collection, and chain-of-custody procedures. Prepares students to contain breaches and preserve forensic integrity.

  • Lesson 3 • Compliance Frameworks and Risk Management

    Surveys major security frameworks, risk assessment methodologies, and audit preparation. Aligns technical controls with organisational governance and regulatory obligations.

  • Lesson 4 • Vulnerability Management and Penetration Testing

    Explains vulnerability scanning, CVSS scoring, and penetration testing phases. Connects assessment results to remediation prioritisation and risk reduction.

  • Lesson 5 • Endpoint Detection and Response

    Covers EDR agent deployment, behavioural detection, and automated response capabilities. Extends perimeter security to individual endpoints across the enterprise.

Certification

Your valid completion certificate

This course is for you:

  • IT support technician: ready to move beyond basic troubleshooting into infrastructure roles.

  • Career changer: bringing transferable problem-solving skills into a first IT position.

  • College student: building a technical foundation before entering the job market.

  • Small business owner: wanting to understand and manage their own IT environment.

  • Systems administrator: filling knowledge gaps across networking, mobile, and security domains.

  • Military veteran: translating technical service experience into civilian IT credentials.

What our students say

Your lessons are perfect. I purchased the one-year package and finally have the opportunity to follow various topics of interest without needing to change platforms... I'm grateful for everything you do, I've already recommended you to other people...
Giulio Carlo
Giulio CarloDigital Marketing Student
I like how the lessons are straight to the point and how I can change chapters and skip content I don't need.
Mariana Ferres
Mariana FerresPhotography Student
I like the content and the way videos are presented and transcribed, which speeds up the process!
Luciana Alvarenga
Luciana AlvarengaNail Design Student
The platform is fast and simple to use. The diversity of content and complementary videos really help with learning.
André Felipe
André FelipePrompt Engineering Student

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