什么是Segment duplication？

A .  The tablespace cannot be duplicated or restored to any point in time after the duplication.  B .  The tablespace cannot be duplicated or restored to the point in time before the duplication.  C .  The entire database cannot be restored after a TSPITR， so a backup is required. D .  You cannot bring the tablespace online until its been backed up. E .  There is no requirement to do so， as RMAN will back up the tablespace after the TSPITR.

A .  A current RMAN backup-set backup is required. B .  No backup is required. C .  An RMAN image backup is required. D .  A manual backup is required. E .  A "duplicate" preparatory backup is required.

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

A、贸促会(商会) B、出境地海关 C、生产地公证处 D、出入境检验检疫局

A . 128K或者更小 B . 256K或者更大

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

A . reproduced B . invented C . designed D . reported

A . The source database backup must be copied over the net for test database. B . The source database must be run in ARCHIVELOG mode if the database is open. C . The source database must be shut down cleanly if the database is in mounted state. D . A net service name should be set up and a listener configured with the target as well as the source database.

A . A、克隆复制出来的对象完全相同，位置也相同，重制复制出的对象位置有一点错开 B . B、克隆复制出的对象完全相同，位置有点错开，重制复制出来的对象位置也相同 C . C、克隆可以重复粘贴，其他都相同 D . D、重制可以重复粘贴，其他都相同

A .  log_file_name_convert B .  convert_log_file_name C .  file_name_convert_log D .  redo_log_file_name_convert E .  logfile_convert_directory

A .  Creating the control file for the duplicate database B .  Restoring the target data files to the duplicate database C .  Performing complete recovery using all available backups D .  Generating a new， unique DBID for the duplicate database E .  Copying the online redo log files from the target database to the duplicate database

A . ctrl+a B . ctrl+b C . ctrl+c D . ctrl+d

A .  True B .  False

A . 正确 B . 错误

A . 复制对象 B . 拷贝对象 C . 粘贴对象 D . 移动对象

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

A . Clone（克隆）复制出来的对象完全相同，位置也相同，Duplicate（重制）复制出的对象位置有一点错开 B . Clone（克隆）复制出的对象完全相同，位置有点错开，Duplicate（重制）复制出来的对象位置也相同 C . Clone（克隆）可以重复粘贴，其他都相同 D . Duplicate（重制）可以重复粘贴，其他都相同

A . The data files of the read-only tablespaces in the target database are not duplicated B . The read-only tablespaces in the target database are still defined in new the database C . The read-only tablespaces in the target database are changed to online after duplication D . The data files of the read-only tablespaces in the target database get duplicated E . The read-only tablespaces in the target database are not defined in the new database

A．a market for such artifacts already exists B．such artifacts seldom have scientific value C．museums are well supplied with examples of such artifacts D．such artifacts frequently exceed in quality those already catalogued in museum collections 此题为多项选择题。

A.send us B.contract C.at duplicate D.counter-signing

执行以下程序后，BCDBUF+1字节单元的内容是()H 。 DATA SEGMENT ASCBUF DB 39H, 38H, 35H, 37H, 30H, 32H COUNT EQU ($-ASCBUF)/2 ;$为当前地址指针 BCDBUF DB COUNT DUP() DATA ENDS CODE SEGMENT ASSUME CS: CODE, DS:DATA, ES:DATA START: MOV AX, DATA MOV DS, AX MOV ES, AX ;设置附加段与数据段完全重叠 CLD MOV SI, OFFSET ASCBUF MOV DI, OFFSET BCDBUF MOV CX, COUNT AA: LODSB AND AL, 0FH MOV BL, AL LODSB PUSH CX MOV CL, 4 SHL AL, CL POP CX OR AL, BL STOSB LOOP AA MOV AH, 4CH INT 21H CODE ENDS END START