2.1 Physical Security: Hardware Tokens 2. Security (220-1002), Comptia A+ (Plus), Comptia A+ (Plus) 220-1002 This entry is part 121 of 278 in the series Comptia A+ (Plus) 220-1002 Series Author: Previous Article 2.1 Physical Security: Biometric Locks Next Article 2.1 Physical Security: Cable, Server, USB Locks Latest Posts Storage Area Network (SAN) APM and ACPI Acceptable Use Policy