Which configuration component is required to allow a PPP over ATM client to connect to one virtual router for a particular session and to a different virtual router for another session?（）

A、profile

B、domain map

C、IP access-route

D、static IP addressing

What is true about the WITH GRANT OPTION clause?（）

A、It allows a grantee DBA privileges.

B、It is required syntax for object privileges.

C、It allows privileges on specified columns of tables.

D、It is used to grant an object privilege on a foreign key column.

E、It allows the grantee to grant object privileges to other users and roles.

为了防止Windows2000的域控制器发生故障，造成域信息丢失而无法使用域，应定期备份哪项内容以便将来恢复域控制器使用（）

A、WINNT文件夹

B、ntds.dit文件

C、sysvol卷

D、系统状态数据

The EMP table has these columns: ENAME VARCHAR2(35) SALARY NUMBER(8,2) HIRE_DATE DATE Management wants a list of names of employees who have been with the company for more than five years. Which SQL statement displays the required results? （）

A、SELECT ENAME FROM EMP WHERE SYSDATE-HIRE_DATE >5;

B、SELECT ENAME FROM EMP WHERE HIRE_DATE-SYSDATE >5;

C、SELECT ENAME FROM EMP WHERE (SYSDATE_HIRE_DATE)/365 >5;

D、SELECT ENAME FROM EMP WHERE (SYSDATE_HIRE_DATE)*/365 >5;

SNMP协议支持的服务原语有哪些?各有什么作用?这些服务原语用于哪两者之间的通信？

Which statement describes the UTM licensing model?（）

A、Install the license key and all UTM features will be enabled for the life of the product

B、Install one license key per feature and the license key will be enabled for the life of the product.

C、Install one UTM license key, which will activate all UTM features; the license will need to be renewed when it expires.

D、Install one UTM license key per UTM feature; the licenses will need to be renewed when they expire.