皮皮学，免费搜题
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【多选题】
下面哪些故障是内存导致的A.
开机无显示，显示器电源灯闪烁不止，长时间有规律地蜂鸣。在长时间不用机器，或者经常搬动的机器，容易出现的故障现象
B.
windows系统运行不稳定，随机性死机、、黑屏等，经常产生非法错误。
C.
启动windows时系统多次自动重新启动。
D.
开机显示找不到操作系统
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皮皮学刷刷变学霸
举一反三
【单选题】For security reasons, most airlines won’t let you take liquids in your ___________ luggage.
A.
baggage
B.
seat
C.
side
D.
carry-on
【单选题】For security reasons, the network administrator needs to prevent pings into the corporate networks from hosts outside the internetwork. Which protocol should be blocked with access control lists?
A.
IP
B.
ICMP
C.
TCP
D.
UDP
【单选题】For security reasons a network technician wants to install a Linux based email server, Microsoft web services, and directory services on different servers. Which of the following technologies would be...
A.
VPN concentrator
B.
Virtual servers
C.
Wireless
D.
Multimode fiber
【单选题】空腹静脉血浆葡萄糖正常值,目前采用的标准为
A.
＜6.0mmol／L
B.
≤6.1mmol／L
C.
＜7.0mmol／L
D.
＜7.8mmol／L
E.
＜11.1mmol／L
【单选题】空腹静脉血浆葡萄糖正常值,目前采用的标准为
A.
≤6.1mmol／L
B.
＜7.0mmol／L
C.
＜7.8mmol／L
D.
＜6.0mmol／L
E.
＜11.1mmol／L
【单选题】For security reasons, the network administrator needs to prevent pings into the corporate networks from hosts outside the internetwork. Which protocol should be blocked with access control lists?
A.
IP
B.
ICMP
【单选题】空腹静脉血浆葡萄糖正常值，目前采用的标准为
A.
<6.0mmol／L< /div>
B.
3.9-6.1mmol／L
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