Which additional configuration must be completed when setting up role restrictions using certificates? （）

A、Set up a certificate authentication server.

B、Configure the authentication realm to remember certificate information.

C、Configure the authentication realm to use a certificate server for authentication.

D、Configure a role mapping rule requiring certification information to map user to role.

Click the Exhibit button to examine the structures of the EMPLOYEES and TAX tables. You need to find the percentage tax applicable for each employee. Which SQL statement would you use?（）

A、 SELECT employee_id, salary, tax_percent FROM employees e JOIN tax t ON e.salary BETWEEN t.min_salary AND t.max_salary;

B、 SELECT employee_id, salary, tax_percent FROM employees e JOIN tax t WHERE e.salary > t.min_salary AND < t.max_salary;

C、 SELECT employee_id, salary, tax_percent FROM employees e JOIN tax t ON (MIN(e.salary) = t.min_salary AND MAX(e.salary) = t.max_salary);

D、 You cannot find the information because there is no common column between the two tables.

在Word2003编辑状态下，若要将另一个文档的内容全部添加到当前文档的光标所在处，其操作是__（1）__；若要将文档中选定的文字移动到文档的另一个位置上，应该按下__（2）__，将选定的文字拖曳至该位置上。空白（2）处应选择（）

A、Ctrl键

B、Alt键

C、鼠标左键

D、鼠标右键

下列寻址方式中，最适合按下标顺序访问一位数组元素的是（　　）。

A、相对寻址

B、寄存器寻址

C、直接寻址

D、变址寻址

You notice that the performance of the database has degraded because of frequent checkpoints. Which two actions resolve the issue（）

Disable automatic checkpoint tuning.

Check the size of the redo log file size and increase the size if it is small.

Set the FAST_START_MTTR_TARGET parameter as per the advice given by the MTTR Advisor. 

Decrease the number of redo log members if there are more than one redo log members available in each redo log group.

Which of the following technologies causes a single processor to appear as multiple processors within System Properties in a Windows Server？（）

A、 RISC

B、 Multicore

C、 Symmetric multi-processing

D、 Hyper-V