异步传输模式技术中“异步”的含义是A．采用的是异步串行通信技术B．网络接口采用的是异步控制方式C．

A. Oracle Database tier and Application server tier only

B. Oracle Database tier, Application server tier, and End-user client tier only

C. Oracle Database tier, Application server tier, and Development client tier only

D. Oracle Database tier, Application server tier, Development client tier, and End-user client tier

Which operating system can Oracle database not be used in？ ()

A．DOS

B．UNIX

C．Windows 98

D．Windows NT

Which of the following statements about ORACLE is (are) correct？

Ⅰ.ORACLE follows SQL standard

Ⅱ.ORACLE database defines two logical types: table and view

A．Ⅰonly

B．Ⅱ only

C．Ⅰ and Ⅱ

D．none of the above

A. Virtual private database

B. Virtual private catalog

C. RMAN virtual database

D. RMAN secure catalog

E. Oracle Database Vault

. You plan to duplicate this database in the same system with the name DUPDB.You want to create the same directory structure for duplicate database files as of the target database.You executed the following RMAN commands:What are the implications of this command？（）

A. It creates database files for the duplicate database under the Oracle base with a different directory for the duplicate database.

B. It overwrites data files of the target database because a different location for data files is not mentioned for the duplicate database.

C. It creates database files for the duplicate database under the same Oracle home as that of the target database with the same directory structure.

D. It creates database files for the duplicate database under the same Oracle home as that of the target but with a different directory for the duplicate database.

一个Oracle Server包含一个Oracle Instance和一个Oracle Database。()

A. Testing the backup and recovery procedures

B. Testing the upgrade of an Oracle database to a new release

C. Testing the effect of an application changes on database performance

D. Continuously updating archive log files from the target database to support failover

erver.All databases of all versions use Automatic Storage Management (ASM).Which three statements are true about the ASM disk group compatibility attributes that are set for a disk group？（）

A. The ASM compatibility attribute controls the format of the disk group metadata.

B. RDBMS compatibility together with the database version determines whether a database Instance can mount the ASM disk group.

C. The RDBMS compatibility setting allows only databases set to the same version as the compatibility value, to mount the ASM disk group.

D. The ASM compatibility attribute determines some of the ASM features that may be used by the Oracle disk group.

E. The ADVM compatibility attribute determines the ACFS features that may be used by the Oracle 10g database.

A. Testing the backup and recovery procedures

B. Testing the upgrade of an Oracle database to a new release

C. Testing the effect of an application changes on database performance

D. Continuously updating archive log files from the target database to support failover