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厨具五大件

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计算机网络面临的威胁主要有哪些?

水泵运转时,滑动轴承或滚动轴承的温度分别不应超过()℃。

A. 60-70
B. 50-60
C. 65-75

使用分页存储管理方法时,会将一个进程的逻辑地址空间划分成若干个()的部分,每个部分称为页或页面。

You work as a database administrator for Certkiller .com. Your listener process, L1,is currently listening to three databases:CertK INDB04,Certkiller DB05 and Certkiller DB06. Using Database Configuration Assistant (DBCA) you create one more database,Certkiller DB07,and enable dynamic registration. Which two commands of Listener Control Utility (lsnrct1) would you use to determine whether the dynamic registration occurred for the database, Certkiller DB07, with the L1 listener process?()

A. SHOW L1
B. SPAWN L1
C. STATUS L1
D. SERVICES L1
E. STATUS LISTENER
F. SERVICES LISTENER
G. SHOWcurrent_listener

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