A.Excessive EMI過度的電磁干擾 B.Electrostatic charge靜電 C.Improper ventilation不恰當(dāng)?shù)耐L(fēng) D.Condensation冷凝 E.Irregular temperature不規(guī)則變化的溫度
A.Multifactor authentication多因素認(rèn)證 B.Single factor authentication單因素認(rèn)證 C.Separation of duties職責(zé)分離 D.Identification識別
A.Guards守衛(wèi) B.CCTV閉路電視監(jiān)控 C.Bollards燈箱 D.Spike strip長釘條板