掷标枪时做“交叉步”是为了取得良好的超越器械姿势。
A. 正确
B. 错误
8051单片机应用系统中,八段LED显示器的驱动方式有()和()两种。
各级党政机关要加强监督检查,对违反规定在公共场所吸烟的领导干部,要给予(),造成恶劣影响的,要依纪依法严肃处理。
A. 批评教育
B. 通报批评
C. 口头警告
D. 警告或严重警告
In your database instance, the user sessions are connected to the database server from the remotemachines. You want to achieve the following for these users: 1:The user account must be locked after four unsuccessful login attempts.PASSWORD_LOCK_TIME 2:The user must be prompted to change the password at regular intervals.PASSWORD_LIFE_TIME 3:The user may not have more than three simultaneous sessions.SESSIONS_PER_USER 4:The user session must automatically be logged off if more than 10 minutes elapsed time used.CONNECT_TIME How would you accomplish the above()
A. by assigning profiles for the users
B. by implementing Fine-Grained Auditing (FGA)
C. by granting a secure application role to the users
D. by implementing the Database Resource Manager pla