下列关于用户管理模式的说法正确的是哪些()。
A. 通过手动过程来跟踪备份需求和状态
B. DBA需要编写脚本
C. 只能在脱机模式下进行备份
D. 依赖数据库系统命令进行备份
Excessive scale formation in a distilling plant may result from ().
A. poor distillate quality
B. reduced evaporator capacity
C. low brine concentration
D. improper vacuum regulatio
Server load balancing (SLB) is the process of deciding to which server a load-balancing device should send a client request for service. Which predictors are supported on ACE in order to select the best server to fulfill a client request? ()
A. Hash address: Selects the server by using a hash value based on either the source or destination IP address, or both
B. Hash URL: Selects the server by using a hash value based on the requested URL
C. Hash MASelects the server by using a hash value based on either the source or destination MAC address, or both
D. Hash header: Selects the server by using a hash value based on the HTTP header name
E. Hash IP: Selects the server using a hash value based on the IP addre
按新电段安〔2017〕122号要求全体干部岗位安全职责要进行()。
A. 一次性修订
B. 模糊修订
C. 动态修订
D. 职责删减