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Skillreps
Cybersecurity

IT Foundations

Prepares you for CompTIA A+ (220-1201 and 220-1202)

How computers, phones, operating systems and small networks work, how to fix them, and how to keep them secure.

By the end you’ll have made: A virtual lab with Windows and Linux machines you installed, configured and hardened yourself

Time to learn

≈ 57 h 27 min

That’s about 33 football matches.

24 h 5 min watching · 25 h 28 min practising · 7 h 54 min on quizzes and games

10 modules · 208 lessons

Start lesson one

Modules

  1. Week 1Core 1 · Mobile devices

    ≈ 2 h 36 min · 45 songs
    1. How to Pass Your CompTIA A+ Exams in 2026 (part 1 of 2)7:41
    2. How to Pass Your CompTIA A+ Exams in 2026 (part 2 of 2)7:51
    3. Laptop Hardware (part 1 of 2)8:21
    4. Laptop Hardware (part 2 of 2)8:31
    5. Connecting Mobile Devices6:08
    6. Mobile devices checkpointTimed · 15 min
    7. Mobile Device Accessories7:18
    8. Mobile Device Networks (part 1 of 2)5:07
    9. Mobile Device Networks (part 2 of 2)5:17
    10. Mobile Device Management8:31
    11. Core 1 · Mobile devices gamesTower · Speed round · Match-up

  2. Week 2Core 1 · Networking

    ≈ 5 h 55 min · 44 long showers
    1. Introduction to IP (part 1 of 2)9:32
    2. Introduction to IP (part 2 of 2)9:42
    3. Common Ports (part 1 of 2)6:26
    4. Common Ports (part 2 of 2)6:36
    5. Wireless Network Technologies7:16
    6. Network Services (part 1 of 2)8:32
    7. Network Services (part 2 of 2)8:41
    8. DNS Configuration (part 1 of 2)9:09
    9. DNS Configuration (part 2 of 2)9:19
    10. DHCP (part 1 of 2)5:23
    11. DHCP (part 2 of 2)5:32
    12. Networking checkpointTimed · 15 min
    13. VLANs and VPNs7:32
    14. Network Devices (part 1 of 2)9:01
    15. Network Devices (part 2 of 2)9:10
    16. IPv4 and IPv68:45
    17. Assigning IP Addresses8:26
    18. Internet Connection Types7:33
    19. Network Types4:46
    20. Network Tools (part 1 of 2)5:54
    21. Network Tools (part 2 of 2)6:04
    22. Core 1 · Networking gamesTower · Speed round · Match-up

  3. Week 3Core 1 · Cables, memory and storage

    ≈ 4 h 39 min · 35 long showers
    1. Display Types9:13
    2. Display Attributes (part 1 of 2)5:55
    3. Display Attributes (part 2 of 2)6:04
    4. Network Cables (part 1 of 2)6:07
    5. Network Cables (part 2 of 2)6:17
    6. 568A and 568B Colors5:41
    7. Optical Fiber4:14
    8. Peripheral Cables8:59
    9. Video Cables6:54
    10. Cables, memory and storage checkpointTimed · 15 min
    11. Storage Cables4:10
    12. Adapters and Converters4:05
    13. Copper Connectors8:33
    14. Fiber Connectors2:49
    15. An Overview of Memory8:38
    16. Memory Technologies8:44
    17. Storage Devices (part 1 of 2)7:27
    18. Storage Devices (part 2 of 2)7:37
    19. RAID8:08
    20. Core 1 · Cables, memory and storage gamesTower · Speed round · Match-up

  4. Week 4Core 1 · Motherboards, power and printers

    ≈ 5 h 33 min · 42 long showers
    1. Motherboards6:18
    2. Motherboard Expansion Slots7:14
    3. Motherboard Connections5:45
    4. Motherboard Compatibility3:29
    5. The BIOS4:42
    6. BIOS Settings (part 1 of 2)9:45
    7. BIOS Settings (part 2 of 2)9:54
    8. HSM and TPM7:47
    9. CPU Features5:13
    10. Expansion Cards6:17
    11. Cooling6:37
    12. Motherboards and printers checkpointTimed · 15 min
    13. Computer Power (part 1 of 2)7:46
    14. Computer Power (part 2 of 2)7:55
    15. Multifunction Devices (part 1 of 2)7:13
    16. Multifunction Devices (part 2 of 2)7:22
    17. Laser Printer Maintenance7:30
    18. Inkjet Printers3:29
    19. Inkjet Printer Maintenance3:54
    20. Thermal Printers3:39
    21. Thermal Printer Maintenance4:16
    22. Impact Printers6:19
    23. Impact Printer Maintenance3:11
    24. Core 1 · Motherboards, power and printers gamesTower · Speed round · Match-up

  5. Week 5Core 1 · Virtualization, cloud and troubleshooting

    ≈ 5 h 45 min · 43 long showers
    1. Virtualization Concepts5:45
    2. Virtualization Services (part 1 of 2)5:42
    3. Virtualization Services (part 2 of 2)5:51
    4. Cloud Models9:48
    5. Cloud Characteristics6:50
    6. Troubleshooting Hardware (part 1 of 3)8:25
    7. Troubleshooting Hardware (part 2 of 3)8:35
    8. Troubleshooting Hardware (part 3 of 3)8:35
    9. Troubleshooting Storage Devices (part 1 of 2)8:32
    10. Troubleshooting Storage Devices (part 2 of 2)8:42
    11. Cloud and troubleshooting checkpointTimed · 15 min
    12. Troubleshooting Display Issues (part 1 of 2)9:26
    13. Troubleshooting Display Issues (part 2 of 2)9:36
    14. Troubleshooting Mobile Devices (part 1 of 2)8:56
    15. Troubleshooting Mobile Devices (part 2 of 2)9:06
    16. Troubleshooting Networks (part 1 of 2)7:38
    17. Troubleshooting Networks (part 2 of 2)7:47
    18. Troubleshooting Printers (part 1 of 2)5:58
    19. Troubleshooting Printers (part 2 of 2)6:07
    20. Core 1 · Virtualization, cloud and troubleshooting gamesTower · Speed round · Match-up

  6. Week 6Core 2 · Windows: installing, tools and the command line

    ≈ 6 h 52 min · 52 long showers
    1. Operating Systems Overview (part 1 of 2)6:30
    2. Operating Systems Overview (part 2 of 2)6:39
    3. File Systems5:51
    4. Installing Operating Systems (part 1 of 2)8:25
    5. Installing Operating Systems (part 2 of 2)8:35
    6. Upgrading Windows8:34
    7. An Overview of Windows9:09
    8. Windows Features8:54
    9. Task Manager4:52
    10. The Microsoft Management Console (part 1 of 2)7:50
    11. The Microsoft Management Console (part 2 of 2)8:00
    12. Additional Windows Tools (part 1 of 2)6:13
    13. Additional Windows Tools (part 2 of 2)6:22
    14. Windows checkpointTimed · 15 min
    15. Windows Command Line Tools (part 1 of 4)7:47
    16. Windows Command Line Tools (part 2 of 4)7:57
    17. Windows Command Line Tools (part 3 of 4)7:56
    18. Windows Command Line Tools (part 4 of 4)7:57
    19. The Windows Network Command Line (part 1 of 3)6:40
    20. The Windows Network Command Line (part 2 of 3)6:50
    21. The Windows Network Command Line (part 3 of 3)6:50
    22. The Windows Control Panel (part 1 of 3)7:43
    23. The Windows Control Panel (part 2 of 3)7:53
    24. The Windows Control Panel (part 3 of 3)7:53
    25. Windows Settings6:34
    26. Core 2 · Windows: installing, tools and the command line gamesTower · Speed round · Match-up

  7. Week 7Core 2 · Networking Windows, macOS and Linux

    ≈ 5 h 55 min · 44 long showers
    1. Windows Network Technologies8:37
    2. Configuring Windows Firewall6:32
    3. Windows IP Address Configuration6:45
    4. Windows Network Connections (part 1 of 2)6:34
    5. Windows Network Connections (part 2 of 2)6:44
    6. macOS Overview (part 1 of 2)5:42
    7. macOS Overview (part 2 of 2)5:52
    8. macOS System Preferences6:36
    9. macOS Features (part 1 of 2)5:39
    10. macOS Features (part 2 of 2)5:48
    11. Linux (part 1 of 2)5:36
    12. Linux (part 2 of 2)5:45
    13. Windows networking, macOS and Linux checkpointTimed · 15 min
    14. Linux Commands Part 1 (part 1 of 4)8:53
    15. Linux Commands Part 1 (part 2 of 4)9:03
    16. Linux Commands Part 1 (part 3 of 4)9:02
    17. Linux Commands Part 1 (part 4 of 4)9:03
    18. Linux Commands Part 2 (part 1 of 3)7:10
    19. Linux Commands Part 2 (part 2 of 3)7:20
    20. Linux Commands Part 2 (part 3 of 3)7:20
    21. Installing Applications (part 1 of 2)8:14
    22. Installing Applications (part 2 of 2)8:23
    23. Cloud Productivity Tools5:47
    24. Core 2 · Networking Windows, macOS and Linux gamesTower · Speed round · Match-up

  8. Week 8Core 2 · Security controls, access and malware

    ≈ 5 h 17 min · 40 long showers
    1. Physical Security (part 1 of 2)5:03
    2. Physical Security (part 2 of 2)5:13
    3. Physical Access Security8:37
    4. Logical Security (part 1 of 2)5:19
    5. Logical Security (part 2 of 2)5:29
    6. Authentication and Access (part 1 of 2)6:03
    7. Authentication and Access (part 2 of 2)6:12
    8. Defender Antivirus5:01
    9. Windows Firewall5:20
    10. Windows Security Settings (part 1 of 2)6:53
    11. Windows Security Settings (part 2 of 2)7:02
    12. Security controls checkpointTimed · 15 min
    13. Active Directory (part 1 of 3)9:13
    14. Active Directory (part 2 of 3)9:24
    15. Active Directory (part 3 of 3)9:23
    16. Wireless Encryption6:19
    17. Authentication Methods7:58
    18. Malware (part 1 of 2)8:42
    19. Malware (part 2 of 2)8:51
    20. Anti-malware Tools (part 1 of 2)6:23
    21. Anti-malware Tools (part 2 of 2)6:33
    22. Core 2 · Security controls, access and malware gamesTower · Speed round · Match-up

  9. Week 9Core 2 · Attacks and hardening

    ≈ 6 h 37 min · 50 long showers
    1. Social Engineering (part 1 of 2)6:49
    2. Social Engineering (part 2 of 2)6:58
    3. Denial of Service4:52
    4. On-Path Attacks7:02
    5. Zero-Day Attacks3:18
    6. Password Attacks (part 1 of 2)5:12
    7. Password Attacks (part 2 of 2)5:22
    8. Insider Threats2:30
    9. SQL Injection Attacks6:18
    10. Cross-site Scripting7:54
    11. Business Email Compromise5:59
    12. Supply Chain Attacks8:04
    13. Attacks and hardening checkpointTimed · 15 min
    14. Security Vulnerabilities8:47
    15. Removing Malware (part 1 of 2)5:45
    16. Removing Malware (part 2 of 2)5:55
    17. Security Best Practices (part 1 of 2)7:38
    18. Security Best Practices (part 2 of 2)7:47
    19. Mobile Device Security (part 1 of 2)5:14
    20. Mobile Device Security (part 2 of 2)5:24
    21. Data Destruction6:04
    22. Securing a SOHO Network (part 1 of 2)7:32
    23. Securing a SOHO Network (part 2 of 2)7:41
    24. Browser Security (part 1 of 2)9:28
    25. Browser Security (part 2 of 2)9:38
    26. Core 2 · Attacks and hardening gamesTower · Speed round · Match-up

  10. Week 10Core 2 · Troubleshooting and operational procedures

    ≈ 8 h 18 min · 23 sitcom episodes
    1. Troubleshooting Windows (part 1 of 2)8:45
    2. Troubleshooting Windows (part 2 of 2)8:55
    3. Troubleshooting Mobile Devices (part 1 of 2)5:45
    4. Troubleshooting Mobile Devices (part 2 of 2)5:55
    5. Troubleshooting Mobile Device Security (part 1 of 2)6:08
    6. Troubleshooting Mobile Device Security (part 2 of 2)6:18
    7. Troubleshooting Security Issues (part 1 of 2)5:08
    8. Troubleshooting Security Issues (part 2 of 2)5:18
    9. Ticketing Systems (part 1 of 2)6:54
    10. Ticketing Systems (part 2 of 2)7:04
    11. Asset Management4:51
    12. Document Types7:29
    13. Change Management (part 1 of 3)7:14
    14. Change Management (part 2 of 3)7:24
    15. Change Management (part 3 of 3)7:24
    16. Managing Backups (part 1 of 2)7:31
    17. Managing Backups (part 2 of 2)7:40
    18. Operations checkpointTimed · 15 min
    19. Managing Electrostatic Discharge5:28
    20. Safety Procedures4:45
    21. Environmental Impacts6:28
    22. Incident Response6:43
    23. Privacy, Licensing, and Policies (part 1 of 2)5:28
    24. Privacy, Licensing, and Policies (part 2 of 2)5:37
    25. Professionalism4:47
    26. Communication7:01
    27. Scripting Languages6:00
    28. Scripting Use Cases8:29
    29. Remote Access (part 1 of 2)6:25
    30. Remote Access (part 2 of 2)6:34
    31. Managing AI (part 1 of 2)5:19
    32. Managing AI (part 2 of 2)5:29
    33. Core 2 · Troubleshooting and operational procedures gamesTower · Speed round · Match-up
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