Oracle 1z0-062 Practice Exam Questions

Oracle 1z0-062 Sample Question Answers

Question # 1

When is the UNDO_RETENTION parameter value ignored by a transaction?

A. when there are multiple undo tablespaces available in a database
B. when the data file of the undo tablespace is autoextensible
C. when the undo tablespace is of a fixed size and retention guarantee is not enabled
D. when Flashback Database is enabled

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Question # 2

Which two services may you see on the My Service Dashboard page? (Choose two.) 

A. Network Cloud Service 
B. User Cloud Service 
C. Compute Cloud Service 

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Question # 3

You are managing an Oracle Database 12c database. The database is open, and you plan to perform Recovery Manager (RMAN) backups.   Which three statements are true about these backups? (Choose three.)

A. The backups would be consistent.
 B. The backups would be possible only if the database is running in ARCHIVELOG mode.
C. The backups need to be restored and the database has to be recovered in case of a media failure.
D. The backups would be inconsistent.
E. The backups by default consist of all the data blocks within the chosen files or the full database

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Question # 4

The HR.DEPARTMENTS table is the parent of the HR.EMPLOYEES table. The EMPLOYEES.DEPARTMENT_ID column has a foreign key constraint with the ON DELETE CASCADE option that refers to the DEPARTMENTS.DEPARTMENT_ID column. An index exists on the DEPARTMENTS.DEPARTMENT_ID column. A transaction deletes a primary key in the DEPARTMENTS table, which has child rows in the EMPLOYEES table. Which statement is true? 

A. The transaction acquires a table lock only on the DEPARTMENTS table until the transaction is complete. 
B. The transaction acquires a table lock on the DEPARTMENTS table. This lock enables other sessions to query but not update the DEPARTMENTS table until the transaction on the DEPARTMENTS table is complete.
C. The transaction acquires a table lock on the EMPLOYEES table. This lock enables other sessions to query but not update the EMPLOYEES table until the transaction on the DEPARTMENTS table is complete.

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Question # 5

Which three statements are true about server-generated alerts? (Choose three.) 

A. Server-generated alerts notify administrators of problems that cannot be resolved automatically
B. Alerts are not issued for locally managed read-only tablespaces. 
C. Response actions cannot be specified for server-generated alerts. 
D. Stateful alerts can be queried only from the DBA_ALERT_HISTORY view. 
E. When an alert is cleared, it is moved to the DBA_ALERT_HISTORY view. 

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Question # 6

Your database is running in ARCHIVELOG mode. You want to take a consistent whole database backup.   Which two statements are true in this scenario? (Choose two.)

A. The user-managed backup consists of only formatted data blocks.
 B. The database must be shut down to take a user-managed backup.
 C. The RMAN backup contains only data files.
 D. The RMAN backup can be performed while the database is open.
 E. The database must be in MOUNT state to take RMAN backup.

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Question # 7

Because of a logical corruption in the EMPLOYES tables, you want to perform Tablespace Point-in-Time Recovery (TSPITR) to recover the table. Before you started the TSPITR process, you queried the TS_PITR_CHECK view and you realized that the table has a referential constraint with DEPARTMENTS that exists in another tablespace, MASTERTBS. Which two actions will permit the TSPITR to work? (Choose two.)

A. Taking the MASTERTBS tablespace offline 
B. Dropping the relationship between the tables 
C. Adding the MASTERTBS tablespace to the recovery set 

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Question # 8

Which statement is true about the loss of a data file belonging to the default undo tablespace?

A. The database remains open in read-only mode.
 B. The database is put in MOUNT state and requires recovery to be opened.
 C. The database remains open for querying but no DML statements can be executed except by the users with SYSDBA privilege.
D. All the noncommitted transactions are lost.
 E. The database instance aborts.

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Question # 9

In your database, archive logging and control file autobackup are enabled. The data files and redo log files are intact but control files are impacted due to media failure. In which two recovery scenarios must you use the RESETLOGS option? (Choose two.) 

A. One control file copy is intact so the spfile is changed to refer to only one copy. 
B. One control file copy is intact and damaged control file copies have to be restored to the default location.
C. All copies of the control file are damaged and the CREATE CONTROLFILE statement is executed manually.
D. All copies of the control file are damaged and the auto backed up control file is used for recovery

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Question # 10

Which three statements are true about Automatic Workload Repository (AWR)? (Choose three.)

A. An AWR snapshot shows the SQL statements that are producing the highest load on the system, based on criteria such as elapsed time and CPU time.
B. AWR data is stored in memory and in a database.
 C. All AWR tables belong to the SYSTEM schema.
 D. The manageability monitor (MMON) process gathers statistics and creates an AWR snapshot that is used by the self-tuning components in a database.
 E. An AWR snapshot contains system-wide tracing and logging information. 

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