The A+ Core Hardware (220-221) exam is the 2001 revision of the A+ Core Service Technician (220-121) adaptive exam, which was itself a revision of the conventional A+ Core Service Technician (220-101) exam. The 220-101 and 220-121 versions of the exam were based on objectives set forth in 1998, while the latest version, 220-221, is based on 2001 objectives.
Note: You will NOT become A+ certified if you pass one exam covering the 1998 test objectives and one exam covering the 2001 objectives.
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