CompTIA A+ Core 2 220-1202 Lessons

Every lesson is free to read, with three practice questions each. Work through them in order, or jump to the objective you need.

Practise with the exam simulator

  1. Windows editions, and choosing the one the job actually needsObjective 1.1
  2. A machine you can safely break, and how to get it back
  3. Boot media, partition schemes, and the choices you cannot undo laterObjective 1.1
  4. Installing Windows: clean install, upgrade, and the unattended middleObjective 1.1
  5. Installing macOS and Linux, and what is genuinely different on first bootObjective 1.1
  6. Android and iOS: provisioning, enrolment, and what a reset destroysObjective 1.1
  7. The command line, and the twenty commands that earn their placeObjective 1.2
  8. PowerShell and scripting, at the depth a support role actually usesObjective 1.2
  9. Task Manager, Resource Monitor, and reading a machine that is slowObjective 1.2
  10. Disk Management: volumes, partitions, drive letters and the things that go missingObjective 1.2
  11. Control Panel, Settings, and the management consoles behind bothObjective 1.2
  12. Remote access: RDP, remote assistance, SSH, and the third-party toolsObjective 1.2
  13. File systems: NTFS, FAT32, exFAT, APFS and ext4, and choosing between themObjective 1.3
  14. Updates, patches and feature upgrades, which are three different thingsObjective 1.3
  15. Upgrading an operating system in place, without losing the machineObjective 1.3
  16. Physical security, and the controls that come before every other oneObjective 2.1
  17. Authentication factors, multifactor, and why the password is the weak oneObjective 2.1
  18. User accounts, groups, and least privilege as something you can actually doObjective 2.1
  19. NTFS permissions, share permissions, and working out which one winsObjective 2.1
  20. Full disk encryption, and the things it does not protect you fromObjective 2.1
  21. Wireless security: WEP, WPA2, WPA3 and the settings that actually matterObjective 2.1
  22. Hardening a small network, and the defaults that must not survive first bootObjective 2.1
  23. Browser security, and the handful of settings that actually helpObjective 2.1
  24. Social engineering, and the attacks that go around every control you setObjective 2.1
  25. Malware types, told apart by what they do rather than by what they are calledObjective 2.2
  26. Detecting an infection without trusting the machine you are standing atObjective 2.2
  27. The removal procedure, and why its order is the thing being examinedObjective 2.2
  28. After a removal: credentials, tokens, and the trust that does not come back by itselfObjective 2.2
  29. Preventing reinfection, and the handful of controls that actually holdObjective 2.2
  30. A method for software faults, and why it is the same method as for hardwareObjective 3.1
  31. Windows that will not boot, and the recovery tools in the order they helpObjective 3.1
  32. Stop errors, services and startup faults, and reading what they tell youObjective 3.1
  33. Applications that crash, hang, or will not install at allObjective 3.1
  34. Performance problems that are not hardware, and proving which is whichObjective 3.1
  35. Mobile connectivity faults, from the software sideObjective 3.2
  36. Apps that crash, drain the battery, or refuse to updateObjective 3.2
  37. Mobile storage, battery and performance faults, and their real causesObjective 3.2
  38. Symptoms of compromise on a desktop, and what each one narrows downObjective 3.3
  39. Symptoms of compromise on a mobile device, where the tooling is thinnerObjective 3.3
  40. Recovering an account after unauthorised access, in the order that worksObjective 3.3
  41. Documentation that is actually used, and the kind that is only writtenObjective 4.1
  42. Change management, and the plan that exists before anything is changedObjective 4.1
  43. Ticketing, and writing a ticket the next person can actually useObjective 4.1
  44. Regulated data, incidents, and the chain of custody you may have to keepObjective 4.1
  45. Safety: electrical, electrostatic and physical, and the rules that do not bendObjective 4.2
  46. Environmental controls, disposal, and the documents that govern themObjective 4.2
  47. Communication, professionalism, and the conversations nobody enjoysObjective 4.2
  48. Backup schemes: full, incremental, differential, synthetic, and where each fitsObjective 4.3
  49. The 3-2-1 rule, and a restore you have actually testedObjective 4.3
  50. Recovering a workstation that is gone, and the order that gets someone workingObjective 4.3