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Free CompTIA A+ Core 1 (220-1201) study guide

Everything Ranger's Help Desk teaches for CompTIA A+ Core 1 (220-1201), as a guide you can read on any phone or computer: 15 chapters and 33 lessons in plain words, with pictures, exam tips, questions to check yourself and a recap with a memory trick at the end of each chapter.

Read a chapter here, then practice it in the game, where 436 more questions, drills and mock exams show you when you are ready.

Start chapter 1 Play Ranger's Help Desk

  1. 1Week 1: The laptop benchInside a laptop: what you can replace · Connecting accessories to mobile devices · The screen in the lidObjectives 1.1, 1.2, 3.1
  2. 2Week 2: Phones on the warehouse floorMobile network connectivity · Wireless networking technologiesObjectives 1.3, 2.2
  3. 3Week 3: Cables in the ceilingNetwork cables · Peripheral, video and drive cables · Connector types · Network toolsObjectives 3.2, 2.8
  4. 4Week 4: Ports and the server closetTCP, UDP and the ports to know · Services provided by networked hostsObjectives 2.1, 2.3
  5. 5Week 5: Names, numbers and tunnelsIP addressing for a small office · DNS, DHCP, VLANs and VPNsObjectives 2.4, 2.6
  6. 6Week 6: Opening the new storeInternet connection types and network types · Networking hardwareObjectives 2.5, 2.7
  7. 7Week 7: Memory and storage upgradesRAM characteristics · Storage devicesObjectives 3.3, 3.4
  8. 8Week 8: Build dayMotherboards and connectors · BIOS/UEFI, virtualization and encryption · Power suppliesObjectives 3.5, 3.6
  9. 9Week 9: Printers everywhereDeploying a multifunction device · Printer maintenance by typeObjectives 3.7, 3.8
  10. 10Week 10: Into the cloudVirtualization concepts · Cloud computing conceptsObjectives 4.1, 4.2
  11. 11Week 11: The troubleshooting playbookTroubleshooting methodology (background, not tested on 220-1201) · Motherboard, RAM, CPU and power symptomsObjectives 5.1
  12. 12Week 12: The file server is beepingDrive symptomsObjectives 5.2
  13. 13Week 13: Screens, projectors and phonesVideo, projector and display issues · Mobile device issuesObjectives 5.3, 5.4
  14. 14Week 14: The network is slow (again)Network symptoms and causesObjectives 5.5
  15. 15Week 15: Printer chaos (season finale)Print quality problems · Paper handling and hardware problems · Queues and connectivityObjectives 5.6
  16. A–ZGlossary540 terms and 257 acronyms, each linked to its lesson
Practice it in Ranger's Help DeskThe same lessons as a story, with drills, hands-on labs and mock exams. Free, in your browser.
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Questions

Is it really free?

Yes. The whole guide and Ranger's Help Desk are free, with no ads and no sign-up. Nothing to download.

How is it organized?

It follows the official CompTIA A+ Core 1 (220-1201) exam objectives. Each chapter teaches a group of objectives, then gives you questions to check yourself and a recap with a memory trick.

How should I study with it?

Read a chapter, answer its questions before you open the answers, then play the same chapter in Ranger's Help Desk: drills on what you missed, hands-on practice and timed mock exams show when you are ready.

Are these the real exam questions?

No. Real exam questions are kept secret. These are practice questions written to the published objectives, and every answer is explained.

More free study guides: A+ Core 2 · Network+ · Security+ · Linux+ · AWS Cloud Practitioner · Azure Fundamentals · MD-102 · Apple Device Support

CompTIA, A+, Network+, Security+ and Linux+ are trademarks of CompTIA, Inc. Ranger Gamez is not affiliated with or endorsed by CompTIA. The practice questions are written to the published exam objectives; they are not real exam questions.