A. The listener is not running on the database node.
B. The TNS_ADMIN environment variable is set to the wrong value.
C. The orcl.oracle.com database service is not registered with the listener.
D. The DEFAULT_DOMAIN parameter is set to the wrong value in the sqlnet.ora file.
E. The listener is running on a different port.
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In your multitenant container database (CDB) containing pluggable databases (PDB), users complain about performance degradation.
How does real-time Automatic database Diagnostic Monitor (ADDM) check performance degradation and provide solutions?（）
A. It collects data from SGA and compares it with a preserved snapshot.
B. It collects data from SGA, analyzes it, and provides a report.
C. It collects data from SGA and compares it with the latest snapshot.
D. It collects data from both SGA and PGA, analyzes it, and provides a report
You plan to use the In Database Archiving feature of Oracle Database 12c, and store rows that are inactive for over three months, in Hybrid Columnar Compressed (HCC) format.
Which three storage options support the use of HCC?（）
A. ASM disk groups with ASM disks consisting of Exadata Grid Disks.
B. ASM disk groups with ASM disks consisting of LUNS on any Storage Area Network array
C. ASM disk groups with ASM disks consisting of any zero padded NFS-mounted files
D. Database files stored in ZFS and accessed using conventional NFS mounts.
E. Database files stored in ZFS and accessed using the Oracle Direct NFS feature
F. Database files stored in any file system and accessed using the Oracle Direct NFS feature
G. ASM disk groups with ASM disks consisting of LUNs on Pillar Axiom Storage arrays
A. Enable Memory Access Mode, which reads performance data from SGA.
B. Use emergency monitoring to fetch data directly from SGA analysis.
C. Run Automatic Database Diagnostic Monitor (ADDM) to fetch information from the latest Automatic Workload Repository (AWR) snapshots.
D. Use Active Session History (ASH) data and hang analysis in regular performance monitoring.
E. Run ADDM in diagnostic mode.
A. to support PUSH-based active database duplication
B. to support synchronization of a standby database with the primary database in a Data environment
C. To support PULL-based active database duplication
D. To support file restores over the network in a Data Guard environment
E. To support file recovery over the network in a Data Guard environment
A. Allocates memory for RMAN backup and restore operations
B. Allocates memory for shared and private SQL areas
C. Contains a cursor area for storing runtime information about cursors
D. Contains stack space
E. Contains a hash area performing hash joins of tables
In order to exploit some new storage tiers that have been provisioned by a storage administrator, the partitions of a large heap table must be moved to other tablespaces in your Oracle 12c database?
Both local and global partitioned B-tree Indexes are defined on the table.
A high volume of transactions access the table during the day and a medium volume of transactions access it at night and during weekends.
Minimal disrupt ion to availability is required.
Which three statements are true about this requirement?（）
A. The partitions can be moved online to new tablespaces.
B. Global indexes must be rebuilt manually after moving the partitions.
C. The partitions can be compressed in the same tablespaces.
D. The partitions can be compressed in the new tablespaces.
E. Local indexes must be rebuilt manually after moving the partitions.
A. Reduced logical I/O
B. Reduced virtual memory utilization
C. Improved parallel Execution performance
D. Improved Serial Execution performance
E. Reduced physical I/O
F. Reduced CPU utilization
A. Oracle Data Pump
B. Oracle Recovery Manager (RMAN)
C. Oracle Label Security
D. Oracle Database Vault
E. Oracle Real Application Security
Your multitenant container database, CDB1, is running in ARCHIVELOG mode and has two pluggable databases, HR_PDB and ACCOUNTS_PDB. An RMAN backup exists for the database.
You issue the command to open ACCOUNTS_PDB and find that the USERDATA.DBF data file for the default permanent tablespace USERDATA belonging to ACCOUNTS_PDB is corrupted.
What should you do before executing the commands to restore and recover the data file in ACCOUNTS_PDB?（）
A. Place CDB1 in the mount stage and then the USERDATA tablespace offline in ACCOUNTS_PDb.
B. Place CDB1 in the mount stage and issue the ALTER PLUGGABLE DATABASE accounts_pdb CLOSE IMMEDIATE command.
C. Issue the ALTER PLUGGABLE DATABASE accounts_pdb RESTRICTED command.
D. Take the USERDATA tablespace offline in ACCOUNTS_PDb.
最新试题
Which three resources might be prioritized between competing pluggable databases when creating amultitenant container database plan (CDB plan) using Oracle Database Resource Manager?（）
A warehouse fact table in your Oracle 12c Database is range-partitioned by month and accessed frequently with queries that span multiple partitions The table has a local prefixed, range partitioned index.Some of these queries access very few rows in some partitions and all the rows in other partitions, but these queries still perform a full scan for all accessed partitions.This commonly occurs when the range of dates begins at the end of a month or ends close to the start of a month.You want an execution plan to be generated that uses indexed access when only a few rows are accessed from a segment, while still allowing full scans for segments where many rows are returned.Which three methods could transparently help to achieve this result?（）
Examine the following command;ALTER SYSTEM SET enable_ddl_logging = TRUE;Which statement is true?（）
You have altered a non-unique index to be invisible to determine if queries execute within an acceptable response time without using this index.Which two are possible if table updates are performed which affect the invisible index columns?（）
You are connected to a pluggable database (PDB) as a common user with DBA privileges.The STATISTICS_LEVEL parameter is PDB_MODIFIABLE. You execute the following:SQL > ALTER SYSTEM SET STATISTICS_LEVEL = ALL SID = ‘*’ SCOPE = SPFILE;Which is true about the result of this command?（）
You Execute the Following command to create a password file in the database server:$ orapwd file = ‘+DATA/PROD/orapwprod entries = 5 ignorecase = N format = 12’Which two statements are true about the password file?（）
The persistent configuration settings for RMAN have default for all parameters.Identify four RMAN commands that produce a multi-section backup.（）
Examine the commands executed to monitor database operations:$> conn sys oracle/oracle@prod as sysdbaSQL > VAR eid NUMBERSQL > EXEC: eid := DBMS_SQL_MONITOR.BEGIN_OPERATION (‘batch_job’ , FORCED_TRACKING => ‘Y’);Which two statements are true?（）
On your Oracle 12c database, you Issue the following commands to create indexesSQL > CREATE INDEX oe.ord_customer_ix1 ON oe.orders (customers_id, sales_rep_id) INVISIBLE;SQL> CREATE BITMAP INDEX oe.ord_customer_ix2 ON oe.orders (customers_id, sales_rep_id);Which two statement are correct?（）
You use the segment advisor to help determine objects for which space may be reclaimed.Which three statements are true about the advisor given by the segment advisor?（）