In order to receive CompTIA® Certification the candidate must pass two exams A+ Essentials (220-901), and A+ Practical Application (220-902) https://www.tutorialsweb.com/CertNotes/CompTIA-cert/A+/apluscert.htm.
CompTIA® Essentials(220-901) covers Fundamentals of Computer Technology,Installation and Configuration of PCs,Laptops etc https://www.tutorialsweb.com/CertNotes/CompTIA-cert/A+/aplus-ess-1.htm.
CompTIA® Practical(220-902) covers skills required to install and Configure PC Operating systems https://www.tutorialsweb.com/CertNotes/CompTIA-cert/A+/aplus-prac-1.htm.

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