（单选题）
You are using Oracle Database 10g. The LOG_ARCHIVE_FORMAT parameter is set to ’LOG%t_%s_%r.dbf’. Why is %r used in the file name format？（）
Ato uniquely identify the archived log files with the restore operation
Bto uniquely identify the archived log files with the redo log group number
Cto uniquely identify the archived log files for each incarnation of the database
Dto uniquely identify the archived log files with the number of recovery operations performed
正确答案
答案解析
略
相似试题
（多选题）
You connected to the database using the following connection string： CONNECT hr/hr@test.us.oracle.com：1521/mydb Which three statements are correct regarding the connection string？（）
（单选题）
You are connecting to an Oracle database server from a client by using the following connect string： SQL> CONNECT hr/hr@pdserver.us.oracle.com：1521/proddb Which naming method is being used in this case？（）
（多选题）
You are managing an Oracle Database 11g database. You configured the database to run inARCHIVELOG mode. Which two statements are true in this scenario（）
（多选题）
You are managing an Oracle Database 11g database. You configured the database to run in ARCHIVELOGmode. Which two statements are true in this scenario（）
（单选题）
You are connecting to an Oracle database server from a client by using the following connect string： SQL> CONNECT hr/hr@pdserver.us.oracle.com：1521/proddb Which naming method is being used in this case？（）
（多选题）
You are managing an Oracle Database 11g database. The database is open， and you plan to performRecovery Manager （RMAN） backups. Which three statements are true about these backups（）
（多选题）
You are managing an Oracle Database 11g database. The database is open， and you plan to perform Recovery Manager （RMAN） backups. Which three statements are true about these backups（）
（多选题）
You are the Database Administrator （DBA） of your company. You execute the following statement on an Oracle 10g instance： SQL> ALTER SYSTEM SWITCH LOGFILE； Which two tasks are performed when the statement is executed？ （）
（单选题）
You are implementing a very simple TCP/IP network. It rarely changes and you would like to use Oracle Connection Manager to filter client requests. Which naming method can you use？（）
（单选题）
You are managing an Oracle Database 11g database. You want to ensure the recovery of thedatabase to the point of failure. Which configuration will you do to accomplish the task（）
