You issue these LSNRCTL commands: LSNRCTL> SET CURRENT_LISTENER listener01 LSNRCTL> START listener02 What is the result of issuing these commands?()
A、A listener named LISTENER is started.
B、A listener named LISTENER01 is started.
C、A listener named LISTENER02 is started.
D、The START command fails and no listener is started.
下列对于高血压诊断的说法正确的是()
A、不同时间测量两次血压,一次超过正常血压值的高限可诊断为高血压
B、测量两次血压,均超过正常血压值的高限可诊断为高血压
C、测量三次血压,均超过正常血压值的高限可诊断为高血压
D、不同时间测量三次血压,均超过正常血压值的高限可诊断为高血压
E、不同时间测量三次血压,一次超过正常血压值的高限可诊断为高血压
通信管道通常采用的管材主要有()。
A、水泥管块
B、硬质或半硬质聚乙烯(或聚氯乙烯)塑料管
C、钢管
D、软质聚乙烯(或聚氯乙烯)塑料管
假如您需要找出/etc/my.conf文件属于哪个包(package),您可以执行()。
A、rpm-q/etc/my.conf
B、rpm-requires/etc/my.conf
C、rpm-qf/etc/my.conf
D、rpm-q
Which statement is true about the plan being loaded into the SQL baseline by the above command?()
A、 It is loaded with the FIXED status.
B、 It is loaded with the ACCEPTED status.
C、 It is not loaded with the ENABLED status.
D、 It is not loaded with the ACCEPTED status.
结构化程序所要求的基本结构不包括( )。
A、顺序结构
B、GOTO跳转
C、选择(分支)结构
D、重复(循环)结构