1Z0-053题库答案 - 题库考试答案搜索网

<单选题> You are using Recovery Manager (RMAN) with a recovery catalog to back up your production database. Thebackups and the archived redo log files are copied to a tape drive on a daily basis. Because of media failure,you lost your production database completely along with the recovery catalog database.You want to recover the target database and make it functional. You consider performing the following steps to accomplish the task: 1) Restore an autobackup of the server parameter file. 2) Restore the control file 3) Start the target database instance 4) Mount the database 5) Restore the data files 6) Open the database with RESETLOGS option 7) Recover the data files 8) Set DBID for the target database Which option illustrates the correct sequence that you must use?（）解析
<单选题> Evaluate the following command： SQL>ALTER SYSTEM SET db_securefile = ’IGNORE’； What is the impact of this setting on the usage of SecureFiles？（）解析
<单选题>Your archive-log destination directory runs out of space. What is the impact of this on the database？（）解析
<单选题> You executed the following commands in a database session: What could have caused the recycle bin to clean up?（）解析
<单选题>Which statement is true regarding virtual private catalogs?（）解析
<多选题> The EMP table has some discrepancy in data entry with a particular employee ID. You execute the query as shown in the Exhibit to retrieve all versions of the row that exist between two SCNs.View the Exhibit. Which two statements about the results of the query shown in the Exhibit are correct? （）(Choose two.) 解析
<单选题> At the request of a user， you issue the following command to restore a dropped table： flashback table "BIN$F2JFfMq8Q5unbC0ceE9eJg==$0" to before drop； Later， the user notifies you that the data in the table seems to be very old and out of date. What might be the problem？（）解析
<单选题>What is the danger associated with stopping a running job by using the STOP_JOB procedure？（）解析
<单选题>What is the proper procedure to recover a lost tempfile？（）解析
<单选题> Youre performing tablespace point-in-time recovery on a tablespace called USERS. If an object in that tablespace has a foreign key constraint owned by another object in the INDEX_TBS which statement is true？（）解析
<多选题>When youre performing a tablespace point-in-time recovery， which tablespaces will always be restored to the auxiliary instance？（）解析
<单选题>When youre performing active database duplication，a backup of what kind is required？（）解析
<单选题>our database instance is running. You are not able to access Oracle Enterprise Manager Database Control because the listener is not started.Which tool or utility would you use to start the listener?（）解析
<多选题>You want to perform an RMAN backup of database as a copy. Which two factors will you consider whileperforming the backup operation?（） (Choose two). 解析
<多选题>What two are the prerequisites for enabling Flashback Database？（）解析

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