There are several technicians working on various systems on a new workbench. Which of thefollowing should be reviewed to ensure all proper procedures are followed to help reduce anypossible issues?（）
A、MSDS
B、OEM
C、ESD
D、EMI
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There are several technicians working on various systems on a new workbench. Which of thefollowing should be reviewed to ensure all proper procedures are followed to help reduce anypossible issues?（）
A、MSDS
B、OEM
C、ESD
D、EMI
（）不属于系统安全的技术。
A、防火墙
B、加密狗
C、CA认证
D、防病毒
You have been asked to use a 23-bit network mask to segment the network block 209.18.12.0, How many usable host address will there e per subnet?（）
A、510
B、1022
C、2046
D、8190
在下列网络的传输介质中，抗干扰能力最好的一个是（ ）。
A、光缆
B、同轴电缆
C、双绞线
D、电话线
Which two statements are true about the rescue configuration file?（）
AIt must include a root password
BIt is roll back file number 50, and you can recover it by issuing rollback 50
CIt is created by issuing request system configuration rescue save
DIt is updated automatically when you commit
A technician arrives in Germany and discovers that when their PC is plugged into the outlet, nopower is received. Which of the following actions should the technician take to get the PC tooperate?（）
A、Change the BIOS settings to the local time
B、Adjust the voltage selector switch
C、Attach a 220 volt power strip from the current region to the PC
D、Attach a 120 volt battery backup power supply to the PC
