单选题A small business has had unauthorized people enter their server room and damage their servers.Which of the following locks for the door would BEST prevent unauthorized people from accessing the server room？（）A BiometricB KeypadC BarcodeD Key lock
题目
单选题
A small business has had unauthorized people enter their server room and damage their servers.Which of the following locks for the door would BEST prevent unauthorized people from accessing the server room？（）
A
Biometric
B
Keypad
C
Barcode
D
Key lock