2.1 Physical Security: Smart Card 2. Security (220-1002), Comptia A+ (Plus), Comptia A+ (Plus) 220-1002 This entry is part 118 of 278 in the series Comptia A+ (Plus) 220-1002 Series Smart cards may be used to provide physical access. You may have to insert a smart card into the reader in order to unlock a door. Author: Previous Article 2.1 Physical Security: Badge Reader Next Article 2.1 Physical Security: Security Guard and Door Locks Latest Posts Storage Area Network (SAN) APM and ACPI Acceptable Use Policy