【单选题】在如图所示的网络中,所有的交换机运行STP 协议,当网络运行正常时,指出堵塞端口可能 在哪台设备 上?
【判断题】洗茶又称醒茶:用沸水高冲入盖碗茶壶,水满略溢出、刮去盖碗茶壶表面的泡沫、在茶叶未张开的时候将这第一道茶水导入茶海,漱杯。()
【判断题】Java中所有的类都是通过直接或间接地继承java.lang.Object类得到的。
【单选题】公安信息系统维护的类型包括更正性维护、适应性维护、完善性维护及()
【单选题】What is the passage mainly about?
A.
How to get rid of stress.
C.
How to understand stress.
【单选题】茶艺与茶道精神是中国茶文化的核心,“艺”是指制茶、烹茶、品茶等艺茶之术,“道”是指艺茶过程中所 的精神。有道而无艺,那是 的理论;有艺而无道,艺则无精、无神。 依此填入划横线部分最恰当的一项是( )
【判断题】Java中所有的类都是通过直接或间接地继承java.lang.Object类得到的。( )
【判断题】Java 中的 java.lang.Object 类是最顶层的类,所有其他的类都是它直接或间接的子类。
【单选题】Is Tim painting the dest?
【单选题】What will be the result of the following configuration?() Log_archive_dest_1=location=c:/oracle/arch/mydb Log_archive_dest_2=location=z:/oracle/arch/mydb
A.
An error will occur during database startup because the second parameter is not valid.
B.
An error will occur during database startup since you are trying to create archived redo logs in two different locations.
C.
Archived redo logs will be created in two different locations by the ARCH process.
D.
Archived redo logs will be created in two different locations by the LGWR process.
E.
Neither parameter setting is valid, so the database will not start up.