单项选择题After a number of days set by the parameter CONTROL_FILE_RECORD_KEEP_TIME， the information in the control file is overwritten by RMAN. What is this parameter’s default value？（）

A.1 day
B.5 days
C.7 days
D.31 days

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1.单项选择题Which of the following steps is incorrect in the following sequence of enabling the ARCHIVELOG mode of a database？（）

A.Shut down the database.
B.Set the appropriate parameters in init.ora file.
C.Start the database in NOMOUNT state.
D.Issue the ALTER DATABASE ARCHIVELOG command.
E.Open the database.
F.Take a full closed backup.

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2.单项选择题What is the maximum database block size supported for the Oracle9i database？（）

A.16KB
B.32KB
C.64KB
D.128KB

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3.单项选择题As A DBA， which of the following methods can you use to make a backup of your table？（）

A.Recover Manager （RMAN） utility
B.Import utility
C.Export utility
D.O/S backup command

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4.单项选择题Which of the following parameters must be specified to define the number of dispatchers that need to be started？（）

A.MAX_DISPATCHERS
B.DISPATCHERS
C.MIN_DISPATCHERS
D.SHARED_SERVERS

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5.单项选择题Which one of the following files includes the parameter NAMES.DIRECTORY_PATH（hostname）？（）

A.Listener.ora
B.Tnsnames.ora
C.Cman.ora
D.Sqlnet.ora

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6.单项选择题You are configuring the listener on your server. Which listener.ora parameter contains the information needed to detect session requests from different client types？（）

A.ADDRESS_LIST
B.SID_NAME
C.LISTENER
D.SERVICE_LIST

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7.单项选择题Which server stack communication layer corresponds to the client application layer in a distributed environment？（）

A.RDBMS
B.Application
C.Oracle Net foundation
D.Network Protocol
E.Presentation

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8.单项选择题Which of the following options would you choose to implement controlled access using remote authentication for your networks？（）

A.OiD
B.RADIUS
C.Wallet Manager
D.Oracle Names Server

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9.单项选择题Which one of the following files contains records that do not meet the specified load criteria in the SQL*Loader control file？（）

A.Log file
B.Discard file
C.Parameter file
D.Bad file

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10.单项选择题If you CROSSCHECK the backup piece that was previously marked as EXPIRED but is now available， what would the status of this backup piece be in the RMAN repository？（）

A.EXPIRED
B.AVAILABLE
C.UNAVAILABLE
D.ACCESSIBLE

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Which of the following packages maintains information in the recovery catalog？ （）

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Which of the following dynamic view would you query to identify the online CURRENT redo log group？（）

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Which Oracle background process is responsible for providing information about the instance name associated with the service handlers and services to the listener？（）

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The three tasks shown have been completed in order to configure a naming method： Task 1： Installed on server and client： Oracle Net Services， TCP/IP， TCP/IP protocol adaptor Task 2： Started default listener on port 1521 Task 3： Added global database name to the listener.ora file. Which naming method was configured？（）

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Which of the following steps is incorrect in the following sequence of enabling the ARCHIVELOG mode of a database？（）

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Which one of the following statements about the TNSPING utility is correct？（）

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Which one of the following parameters must be specified when exporting objects that has integrity constraints referencing objects that are currently being accessed by other users？（）

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