Which of the following network appliances can BEST be described as allowing multiple servers toshare requests for a website through the same public IP address?()
A、VPN concentrator
B、Content filter
C、Load balancer
D、Proxy server
网络安全事件发生的风险增大时,省级以上人民政府有关部门应当采取哪些措施?
下面选项中关于“文件指针”概念的叙述正确的是( )。
A、文件指针就是文件位置指针,表示当前读写数据的位置
B、文件指针是程序中用FILE定义的指针变量
C、文件指针指向文件在计算机中的存储位置
D、把文件指针传给fscanf函数,就可以向文本文件中写入任意的字符
You would like to configure an Ethernet interface with the following characteristics: Fast Which set of configuration commands accurately completes this task?()
A、 A
B、 B
C、 C
D、 D
您已经计划备份作业在晚上11点运行当您第二天回来的时候,发现作业在中途停止了您怎样确定在停止运行之前该作业完成了多少()
A、查看备份日志文件
B、手工检查文件和文件夹
C、在备份选项窗口中单击Verify(校验)选项
D、运行恢复实用工具
Which statement correctly describes SQL and /SQL*Plus?()
A、Both SQL and /SQL*plus allow manipulation of values in the database.
B、/SQL* Plus recognizes SQL satement and sends them to the server; SQL is the Oracle proprietary interface for executing SQL statements.
C、/SQL* Plus language for communicating with the Oracle server to access data; SQL recognizes SQL statements and sends them to the server.
D、/SQL manipulates data and table definition in the database; /SQL* Plus does not allow manipulation of values in the database.