呼叫转移是指用户可根据不同情况设置来电转移到预先设定的()上。
A、留言信箱
B、市话
C、其他手机
D、电脑
Your database instance is running with full workload after database creation. You have decided to use a fixed-size undo tablespace. You want to use the Undo Advisor to estimate the capacity of the undo tablespace. Which two factors must you consider before using the Undo Advisor to estimate the capacity of the undotablespace()
AThe retention period to support flashback
BThe expected length of the longest-running query
CThe number of undo tablespaces in the database
DThe size of the Flash Recovery Area for the database instance
两端用户传输文件,应属于下列OSI的哪一层处理?()
A、表示层
B、会话层
C、传输层
D、应用层
为了实现类型不同的子网互联,OSI参考模型把网络划分成多格子网,以下那几个属于这几个子层?
在Java语言中,不能注释多行内容的符号是()。
A、以//开始的注释
B、以/*开始,*/结束的注释
C、以/**开始,*/结束的注释
D、以上都不能
Given the ActionEvent, which method allows you to identify the affected component?()
A、 GetClass.
B、 GetTarget.
C、 GetSource.
D、 GetComponent.
E、 GetTargetComponent.