Network administration courses can help you learn network design, configuration, security protocols, and troubleshooting techniques. You can build skills in managing network hardware, optimizing performance, and ensuring data integrity. Many courses introduce tools such as Cisco routers, firewalls, and network monitoring software, that support implementing effective network solutions and maintaining system reliability.

Scrimba
Skills you'll gain: Prompt Engineering, LangChain, LLM Application, Memory Management, AI Workflows, Vector Databases, Scalability, User Interface (UI), Embeddings, Database Application, Data Store, Retrieval-Augmented Generation, Databases, Large Language Modeling, Performance Tuning, Maintainability, Data Storage, Data Preprocessing
★ 4.7 (39) · Intermediate · Course · 1 - 4 Weeks

EC-Council
Skills you'll gain: Penetration Testing, Cybersecurity, Threat Management, Cloud Security, Mobile Security, Vulnerability Assessments, Network Security, Cyber Security Assessment, Application Security, Threat Detection, Security Testing, Cyber Attacks, Brute-force attacks, MITRE ATT&CK Framework, Encryption, Vulnerability Scanning, Cloud Computing, Exploitation techniques, Web Applications, Wireless Networks
Beginner · Course · 1 - 3 Months

Skills you'll gain: Scenario Testing, Test Planning, Unit Testing, Functional Testing, Debugging, Hardware Troubleshooting
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Expense Management, Auditing, Accounting, Compliance Auditing, Compliance Management, Loss Prevention, Fraud detection, Decision Making, Document Management, Record Keeping, Verification And Validation
Beginner · Course · 1 - 4 Weeks

University of Michigan
Skills you'll gain: Statistical Analysis, Policty Analysis, Research, and Development, Program Evaluation, Policy Analysis, Data Analysis, Statistical Methods, Public Policies, Statistical Hypothesis Testing, Statistical Programming, Analytics, Analytical Skills, Statistical Software, Forecasting, R Programming, Data-Driven Decision-Making, Research Design, Science and Research, Time Series Analysis and Forecasting, Ggplot2
★ 4.7 (49) · Intermediate · Course · 1 - 3 Months

Codio
Skills you'll gain: User Accounts, Unix Commands, Unix, Unix Shell, Command-Line Interface, User Provisioning, OS Process Management, File Systems, Linux, Ubuntu, Linux Commands, Operating Systems, Systems Administration, Operating System Administration, Authorization (Computing), Shell Script, File Management, Data Storage
★ 4.4 (89) · Beginner · Course · 1 - 4 Weeks

Microsoft
Skills you'll gain: Data Storytelling, Leaflet (Software), Statistical Methods, Rmarkdown, Regression Analysis, Version Control, Web Scraping, Data Visualization, Statistics, Data Manipulation, Statistical Analysis, Time Series Analysis and Forecasting, Statistical Programming, Probability & Statistics, Tidyverse (R Package), Data Cleansing, Data Wrangling, Software Documentation, R Programming, R (Software)
★ 4 (7) · Beginner · Professional Certificate · 3 - 6 Months

Skills you'll gain: Software Architecture, Systems Development Life Cycle, Systems Architecture, Systems Thinking, Software Design Patterns, Stakeholder Communications, Business Analysis Tools, Systems Analysis, Data Flow Diagrams (DFDs), Project Design, Development Environment
★ 5 (20) · Beginner · Course · 1 - 3 Months

Amazon Web Services
Skills you'll gain: Amazon Web Services, Database Administration, Relational Databases, Database Software, IT Automation
★ 4.9 (14) · Mixed · Course · 1 - 4 Weeks

Peking University
Skills you'll gain: Algorithms, Mathematical Modeling, Pseudocode, Theoretical Computer Science, Combinatorics, Mathematical Theory & Analysis, Network Routing, Design Strategies, Bioinformatics
★ 4.7 (53) · Intermediate · Course · 1 - 3 Months

Skills you'll gain: Cloud Management, Microsoft Azure, Cloud Computing, Generative AI, Cloud Platforms, Cloud Solutions, Cloud Infrastructure, Cloud Computing Architecture, Cloud Services, Public Cloud, Cloud Deployment, AI literacy, System Monitoring, Data Governance, Infrastructure as Code (IaC), Scalability
★ 4.7 (18) · Beginner · Course · 1 - 4 Weeks

John Wiley & Sons
Skills you'll gain: Emotional Intelligence, Sales Process, B2B Sales, Self-Awareness, Empathy & Emotional Intelligence, Personal Development, Selling Techniques, Sales Management, Closing (Sales), Sales Training, General Sales Practices, Rapport Building, Empathy, Sales Enablement, Consumer Behaviour, Sales Strategy, Stakeholder Analysis, Customer Relationship Building, Sales, Stakeholder Management
Intermediate · Course · 3 - 6 Months