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CompTIA A+ (220-1001 and 220-1002) certification guide by CompTIA.

"Practices of Security Professionals", a Research Report by CompTIA.

"Miroku Jyoho Service achieves one-stop service by enhancing hardware maintenance", a Business Case Study by CompTIA.

"CompTIA certification contributes to the realization of the customer first approach", a bussiness case study by CompTIA.

CompTIA A+ Core 1 & Core 2 exam objectives comparison by CompTIA.