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1Z0-052 问题列表
问题
多选题Which two statements correctly describe the relation between a data file and the logical databasestructures（）AAn extent cannot spread across data files.BA segment cannot spread across data files.CA data file can belong to only one tablespace.DA data file can have only one segment created in it.EA data block can spread across multiple data files as it can consist of multiple operating system （OS） blocks.
问题
单选题View the Exhibit and examine the parameters. User A executes the following command to update the TRANS table： SQL UPDATE B.trans SET tr_amt=tr_amt+500 WHERE c_code=’C005’； Before user A issues a COMMIT or ROLLBACK command， user B executes the following command onthe TRANS table： SQL ALTER TABLE trans MODIFY （tr_type VARCHAR2（3））； What would happen in this scenario（）A
The ALTER TABLE command modifies the column successfully.B
The DDL operation gets higher priority and transaction for user a is rolled back.C
The ALTER TABLE command waits indefinitely until user a ends the transaction.D
The ALTER TABLE command fails after waiting for 60 seconds due to the resource being busy.
问题
单选题Your database instance is currently configured to support 1，500 connections. The Web applicationthat uses the database allows a large number of users to work with the database simultaneously. Someusers of the Web application do not interact with the server all the time. You want to increase the scalability by configuring the database instance to handle more connections. Asa DBA， which configuration would you set to support more than 1，500 connections at a time（）A
You would configure more listeners for the database.B
You would configure the database in shared server mode to use the connection pooling feature.C
You would increase the value of the PGA_AGGREGATE_TARGET initialization parameter that assigns more session memory to users.D
You would decrease the value of the PRIVATE_SGA resource limit in the profiles used by the users to accommodate more session information.
问题
单选题You want to create a role to meet these requirements： 1. The role is to be protected from unauthorized usage. 2. The password of the role is not to be embedded in the application source code or stored in a table. method would you use to restrict enabling of such roles（）A
Create the role with external authentication.B
Create the role as a secure application role.C
Create the role as a password-protected role.D
Create a role and use Fine-Grained Access Control （FGAC） to secure the role
问题
单选题Note the following functionalities of various background processes： 1：Record the checkpoint information in data file headers. CKPT 2：Perform recovery at instance startup. SMON 3：Cleanup unused temporary segments. SMON 4：Free the resources used by a user process when it fails. 5：Dynamically register database services with listeners. 6：Monitor sessions for idle session timeout. Which option has the correct functionalities listed for a background process（）A
Archiver Process （ARCn）：1， 2，5B
System Monitor Process （SMON）：1，4，5C
Process Monitor Process （PMON）：4，5，6D
Database Writer Process （DBWn）：1，3，4
问题
多选题You execute the following command to change the status of the SALES tablespace： SQL ALTER TABLESPACE sales OFFLINE； Which statements describe the effect of the command（）AThe tablespace would require recovery to go back online.BA checkpoint is taken on all data files that are associated with the SALES tablespace.CThe sessions that subsequently try to access the objects in the SALES tablespace receive an error.DThe new status of the SALES tablespace is recorded in the control file when the database instance is closed.
问题
单选题You want to access employee details contained in flat files as part of the EMPLOYEE table. You planto add a new column to the EMPLOYEE table to achieve this. Which data type would you use for the new column（）A
CLOBB
BLOBC
BFILED
LONG RAW
问题
多选题Which two statements are true about alerts（）AClearing an alert sends the alert to the alert history.BResponse actions cannot be specified with server-generated alerts.CThe nonthreshold alerts appear in the DBA_OUTSTANDING_ALERTS view.DServer-generated alerts notify the problems that cannot be resolved automatically and requireadministrators to be notified.
问题
多选题Which two statements are true about the Automatic Database Diagnostic Monitor （ADDM）（）AThe ADDM requires at least four AWR snapshots for analysis.BThe ADDM runs after each AWR snapshot is collected automatically by MMON.CThe results of the ADDM analysis are stored in the Automatic Workload Repository （AWR）.DThe ADDM analysis provides only diagnostic information but does not provide recommendations.EThe ADDM calls other advisors if required， but does not provide recommendations about the advisors.
问题
多选题You configured the Flash Recovery Area （FRA） for your database. The database instance is runningin ARCHIVELOG mode. The default location for the archived redo log files is the Flash Recovery Area. Which two files are removed automaticallyif the space is required in the FRA as per the retention policy（）Aflashback log filesBbackups that have become obsoleteCcopies of the data files and control filesDarchived redo log files that have multiple copies in a different archive location and not backed up
问题
单选题You want to configure and schedule offline database backups to run automatically. Which tool or utilitywould you use to achieve this（）A
the XML scriptB
the PL/SQL scriptC
the DBMS_SCHEDULER packageD
Enterprise Manager to schedule the backup
问题
单选题You are installing Oracle Database 11g on a machine. When you run the installer， the Oracle Universal Installer（OUI） shows the message that says one of the product-specific prerequisite checks has failed：Checking available swap space requirements ...Expected result： 1512MBActual Result： 1018MB Check complete. The overall result of this check is： Failed Problem： The system does not have therequired swap space. What happens to the installation in this situation（）A
It can be continued.B
It resizes the swap space automatically when you proceed further.C
It can be continued， but the instance cannot be started without increasing the swap space.D
It shows a message saying one or more prerequisite checks have failed and the installation cannot proceed
问题
多选题You are managing an Oracle Database 11g database running in ARCHIVELOG mode. The FlashRecovery Area is specified as the destination for the archived redo log files. You notice this warning in thealert log file： ORA-19815： WARNING:// db_recovery_file_dest_size of 3221225472 bytes is 100.00% used， and has 0remaining bytes available. What would you do to reclaim the used space in the Flash Recovery Area（）ABack up the Flash Recovery Area.BDecrease the retention time for the database backup and flashback log files.CManually delete all the archived log files from the Flash Recovery Area by using operating system （OS）commands.DManually delete all the expired backup sets from the Flash Recovery Area by using operating system（OS） commands.
问题
单选题Which statements listed below describe the data dictionary views（） 1） These are stored in the SYSTEM tablespace. 2） These are the based on the virtual tables. 3） These are owned by the SYS user. 4） These can be queried by a normal user only if O7_DICTIONARY_ACCESSIBILTY parameter is set to TRUE. 5） The V$FIXED_TABLE view can be queried to list the names of these views.A
1 and 3B
2， 3， and 5C
1， 2， and 3D
2， 3， 4， and 5
问题
单选题You plan to configure the new Oracle Database 11g installation by performing these tasks： - Use Automatic Storage Management （ASM） as the storage option. - Use Oracle Enterprise Manager Database Control to manage the database. - Provide the same password for SYS， SYSTEM， SYSMAN， and DBSNMP accounts during theinstallation. - Configure the database to send email notifications. Some tools available to you for installation are： 1：Oracle Universal Installer （OUI） 2：Database Configuration Assistant （DBCA） 3：Database Upgrade Assistant （DBUA） 4：Oracle Net Configuration Assistant Which tools would you use for this installation（）A
2B
3C
1 and 2D
3 and 4E
1，2，and 4