Which command will enable the administrator to query the current network adapter configuration？（）
A、netstat -v
B、entstat -d
C、lsattr -El
D、lsdev -C -attr
Which two operations can be performed on an external table（）
ACreate a view on the table.
BCreate an index on the table.
CCreate a synonym on the table.
DAdd a virtual column to the table.
EUpdate the table using the UPDATE statement.
FDelete rows in the table using the DELETE command.
使用InternetExplorer浏览网页时，随着鼠标的移动，当鼠标指针画过页面上的某些内容时，指针会变成（）的形状。
A、箭头
B、手
C、问号
D、十字
A client is having trouble connecting to the Internet. The client is using a static IP address and is able to connect to other devices on the network via IP address only. Which of the following is MOST likely the problem?（）
A、IMAP
B、DHCP
C、DNS
D、NAT
Examine this statement： RMAN >BACKUP FORMAT ’/BACKUP/df_%d_%s_%p.bus1 DATABASE filesperset = 2； What state must the target database be in for you to use this RMAN command？（）
A、The target database must be open.
B、The target database must be closed.
C、The target database must be mounted.
D、The target database must be mounted or open.
下面（）属于版面的构成属素。
A、注文
B、边框
C、书眉和页码
D、版心