当前分类： 1Z0-042
问题：单选题You are using flat files as the data source for one of your data warehousing applications. You plan to move the data from the flat file structures to an Oracle database to optimize the application performance. In your database you have clustered tables...
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问题：单选题The database users are connecting to the PROD database from different applications， thereby degrading the database performance. The senior database administrator suspects the large number of concurrent connections to be the reason for low performance ...
问题：单选题In your database， you discovered that a tempfile in a locally managed temporary tablespace has been deleted at the operating system level. How would you recover the tablespace？（）A flash back the databaseB perform point-in-time recoveryC perform a full ...
问题：多选题You work as a database administrator for Certkiller .com. You are using Recovery Manager （RMAN） to perform backups in your databases. Which four backup operations can be performed using RMAN？（）AA backup of the target database when it is mountedBA back...
问题：多选题Which two statements are true about a bitmap index？ （）AIt is recommended for the columns that have unique values.BIt can be converted to a B-tree index by using the ALTER INDEX command.CIt has a bitmap segment for each distinct value in the key column，...
问题：单选题Your database is having two control files， three redo log file groups with two members in each group. Failure of which file would cause an instance to shut down？（）A any control fileB any archive log fileC one of the redo log membersD loss of the initia...
问题：单选题You work as a database administrator for Supportcenter.cn. In your organization， you have four databases， SupportCenter DB01， SupportCenter DB02， SupportCenter DB03， and SupportCenter DB04， which are located in Berlin， Frankfurt，Rammstein， and Munich r...
问题：单选题Your database is in the NOARCHIVELOG mode. Since last night’s offline backup， the logs in group 1 have been written to twice. This morning， the SYSTEM data file has become corrupted. Up to what point can it be recovered？（）A until the last commitB canno...
问题：多选题What are the consequences of executing the SHUTDOWN ABORT command？ （）AThe database files are synchronized.BUncommitted changes are not rolled back.CThe database is closed， but the instance is still started.DDatabase buffers and redo buffers are not wri...
问题：多选题You work as a database administrator for Certkiller .com. Users in the Certkiller PROD database complain about the slow response when accessing the database. In the Active Session Waiting： Configuration page you find that the majority of the wait time ...
问题：单选题You work as a database administrator for Certkiller .com. You find that users with DBA role are using more CPU resources than what is allocated in their profiles. Which action would you take to ensure that resources limits are imposed on these users？ （...
问题：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？（）A Local NamingB Easy ConnectC External NamingD ...
问题：单选题You work as a database administrator for Certkiller .com. You find that the database performance degrades while you backup the Certkiller database using Recovery Manager （RMAN）. The Certkiller database is running in shared server mode. The database ins...
问题：Which two statements about Automatic Storage Management （ASM...
问题：单选题Which step do you need to perform to enable a user with the SYSDBA privilege to log in as SYSDBA in iSQL*Plus？（）A The user must be granted the database administrator （DBA） privilege.B The user must be listed in the password file for the authentication....
问题：单选题You work as a database administrator for Certkiller .com. As a result of performance analysis， you created an index on theprod_namecolumn of the Certkiller prodtable， which contains about ten thousand rows. Later， you updated a product name in the tab...
问题：多选题You work as a database administrator for Supportcenter.cn. Users in the SupportCenter PROD database complain about the slow response when accessing the database. In the Active Session Waiting： Configuration page you find that the majority of the wait t...
问题：单选题You work as a database administrator for Certkiller .com. In a production environment， users complain about the slow response time when accessing the database. You have not optimized the memory usage of the Oracle instance and you suspect the problem t...
