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Exam Code: 1Z0-546Prüfungsname: StorageTek Tape Libraries Essentials
Aktulisiert: 2014-06-04, 1Z0-546 Schulungsunterlagen
Nummer: 70 Q&As
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Exam Code: 1Z1-536Prüfungsname: Oracle Exadata 11g Essentials
Aktulisiert: 2014-06-04, 1Z1-536 zertifizierungsantworten
Nummer: 69 Q&As
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Exam Code: 1Z0-060Prüfungsname: Upgrade to Oracle Database 12c
Aktulisiert: 2014-06-04, 1Z0-060 testantworten
Nummer: 150 Q&As
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NO.1 You notice that the performance of your production 24 /7 Oracle database significantly
degraded. Sometimes you are not able to connect to the instance because it hangs. You do not want
to restart the database instance.
How can you detect the cause of the degraded performance?
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.
Answer: C
Oracle prüfungsfragen 1Z0-060 1Z0-060 Prüfungsfragen 1Z0-060 testking 1Z0-060 fragen beantworten
Explanation:
*In most cases, ADDM output should be the first place that a DBA looks when notified of a
performance problem. *Performance degradation of the database occurs when your database was
performing optimally in the past, such as 6 months ago, but has gradually degraded to a point
where it becomes noticeable to the users. The Automatic Workload Repository (AWR) Compare
Periods report enables you to compare database performance between two periods of time.
While an AWR report shows AWR data between two snapshots (or two points in time), the AWR
Compare Periods report shows the difference between two periods (or two AWR reports with a
total of four snapshots). Using the AWR Compare Periods report helps you to identify detailed
performance attributes and configuration settings that differ between two time periods.
Reference:Resolving Performance Degradation Over Time
NO.2 Which Oracle Database component is audited by default if the unified Auditing option is
enabled?
A. Oracle Data Pump
B. Oracle Recovery Manager (RMAN)
C. Oracle Label Security
D. Oracle Database Vault
E. Oracle Real Application Security
Answer: E
Oracle prüfung 1Z0-060 Unterlage 1Z0-060 1Z0-060 prüfungsunterlagen 1Z0-060 Antworten
Explanation:
Type ofUnifiedauditing:
Standard
Fine Grained Audit
XS
Database Vault(not D)
Label Security(not C)
RMAN AUDIT(not B)
Data Pump(not A)
Note:
*Oracle 12c introduces Unified Auditing, which consolidates database audit records
including :-
DDL, DML, DCL
Fine Grained Auditing (DBMS_FGA)
Oracle Database Real Application Security
Oracle Recovery Manager
Oracle Database Vault
Oracle Label Security
Oracle Data Mining
Oracle Data Pump
Oracle SQL*Loader Direct Load
NO.3 Examine the followingcommands forredefininga table withVirtual Private Database(VPD)
policies:
Which two statements are true about redefining the table?
A. All the triggers for the table are disabled without changing any of the column names or column
types in the table.
B. The primary key constraint on the EMPLOYEES table is disabled during redefinition.
C. VPD policies are copied from the original table to the new table during online redefinition.
D. You must copy the VPD policies manually from the original table to the new table during online
redefinition.
Answer: B,C
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Explanation:
C (not D):CONS_VPD_AUTO Used to indicate to copy VPD policies automatically
*DBMS_RLS.ADD_POLICY /The DBMS_RLS package contains the fine-grained access control
administrative interface, which is used to implement Virtual Private Database (VPD).DBMS_RLS is
available with the Enterprise Edition only.
Note: *CONS_USE_PK and CONS_USE_ROWID are constants used as input to the "options_flag"
parameter in both the START_REDEF_TABLE Procedure and CAN_REDEF_TABLE Procedure.
CONS_USE_ROWID is used to indicate that the redefinition should be done using rowids while
CONS_USE_PK implies that the redefinition should be done using primary keys or pseudo-primary
keys (which are unique keys with all component columns having NOT NULL constraints).
*DBMS_REDEFINITION.START_REDEF_TABLE
To achieve online redefinition, incrementally maintainable local materialized views are used. These
logs keep track of the changes to the master tables and are used by the materialized views during
refresh synchronization.
*START_REDEF_TABLE Procedure Prior to calling this procedure, you must manually create an empty
interim table (in the same schema as the table to be redefined) with the desired attributes of the
post-redefinition table, and then call this procedure to initiate the redefinition.
NO.4 What are three purposes of the RMAN "FROM" clause?
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
Answer: B,C,E
Oracle prüfung 1Z0-060 testantworten 1Z0-060 Examsfragen 1Z0-060 zertifizierung 1Z0-060 online tests
Explanation:
E:
*With a control file autobackup, RMAN can recover the database even if the current
control file, recovery catalog, and server parameter file are inaccessible.
*RMAN uses a recovery catalog to track filenames for all database files in a Data Guard
environment. A recovery catalog is a database schema used by RMAN to store metadata
about one or more Oracle databases. The catalog also records where the online redo logs,
standby redo logs, tempfiles, archived redo logs, backup sets, and image copies are
created.
NO.5 Which statement is true about Oracle Net Listener?
A. It acts as the listening endpoint for the Oracle database instance for all local and non-local user
connections.
B. A single listener can service only one database instance and multiple remote client connections.
C. Service registration with the listener is performed by the process monitor (PMON) process of
each database instance.
D. The listener.ora configuration file must be configured with one or more listening protocol
addresses to allow remote users to connect to a database instance.
E. The listener.ora configuration file must be located in the ORACLE_HOME/network/admin directly.
Answer: C
Oracle 1Z0-060 quizfragen und antworten 1Z0-060 1Z0-060 prüfungsfrage
Explanation:
Supported services, that is, the services to which the listener forwards client
requests, can be configured in the listener.ora file or this information can be dynamically
registered with the listener. This dynamic registration feature is called service registration.
The registration is performed by the PMON process-an instance background process-of
each database instance that has the necessary configuration in the database initialization
parameter file. Dynamic service registration does not require any configuration in the
listener.ora file.
Incorrect:
Not B:Service registration reduces the need for the SID_LIST_listener_name parameter
setting, which specifies information about the databases served by the listener, in the
listener.ora file.
Note:
*Oracle Net Listener is a separate process that runs on the database server computer. It
receives incoming client connection requests and manages the traffic of these requests to
the database server.
*A remote listener is a listener residing on one computer that redirects connections to a
database instance on another computer. Remote listeners are typically used in an Oracle
Real Application Clusters (Oracle RAC) environment. You can configure registration to
remote listeners, such as in the case of Oracle RAC, for dedicated server or shared server
environments.
NO.6 Which three are true about the large poolfor anOracle database instance that supports
shared server connections?
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
Answer: A,B,C
Oracle 1Z0-060 PDF Testsoftware 1Z0-060 Prüfungsunterlagen 1Z0-060 Vorbereitung 1Z0-060 prüfungen
Explanation:
The large pool can provide large memory allocations for the following:
/(B)UGA(User Global Area)for the shared server and the Oracle XA interface (used where
transactions interact with multiple databases)
/Message buffers used in the parallel execution of statements
/(A)Buffers for Recovery Manager (RMAN) I/O slaves
Note:
*large pool
Optional area in the SGA that provides large memory allocations for backup and restore
operations, I/O server processes, and session memory for the shared server and Oracle
XA.
*Oracle XA
An external interface that allows global transactions to be coordinated by a transaction
manager other than Oracle Database.
*UGA
User global area. Session memory that stores session variables, such as logon
information, and can also contain the OLAP pool.
*Configuring the Large Pool
Unlike the shared pool, the large pool does not have an LRU list(not D). Oracle Database
does not attempt to age objects out of the large pool. Consider configuring a large pool if
the database instance uses any of the following Oracle Database features:
*Shared server
In a shared server architecture, the session memory for each client process is included in
the shared pool.
*Parallel query
Parallel query uses shared pool memory to cache parallel execution message buffers.
*Recovery Manager
Recovery Manager (RMAN) uses the shared pool to cache I/O buffers during backup and restore
operations. For I/O server processes, backup, and restore operations, Oracle Database allocates
buffers that are a few hundred kilobytes in size.
NO.7 Your multitenant container (CDB) contains two pluggable databases(PDB), HR_PDB and
ACCOUNTS_PDB, both of which use the CDB tablespace. The temp file is called temp01.tmp.
A user issues a query on a table on one of the PDBs and receives the following error:
ERROR at line 1:
ORA-01565: error in identifying file '/u01 /app/oracle/oradata/CDB1 /temp01.tmp'
ORA-27037: unable to obtain file status
Identify two ways to rectify the error.
A. Add a new temp file to the temporary tablespace and drop the temp file that that produced the
error.
B. Shut down the database instance, restore the temp01.tmp file from the backup, and then restart
the database.
C. Take the temporary tablespace offline, recover the missing temp file by applying redo logs, and
then bring the temporary tablespace online.
D. Shutdown the database instance, restore and recover the temp file from the backup, and then
open the database with RESETLOGS.
E. Shut down the database instance and then restart the CDB and PDBs.
Answer: C,E
Oracle zertifizierungsfragen 1Z0-060 zertifizierung 1Z0-060 online prüfungen 1Z0-060 tests
Explanation:
* Because temp files cannot be backed up and because no redo is ever generated for them, RMAN
never restores or recovers temp files. RMAN does track the names of temp files, but only so that it
can automatically re-create them when needed.
*If you use RMAN in a Data Guard environment, then RMAN transparently converts primary control
files to standby control files and vice versa. RMAN automatically updates file names for data files,
online redo logs, standby redo logs, and temp files when you issue RESTORE and RECOVER.
NO.8 Which two statements are true about the use of the procedures listed in the
v$sysaux_occupants.move_procedure column?
A. The procedure may be used for some components to relocate component data to the SYSAUX
tablespace from its current tablespace.
B. The procedure may be used for some components to relocate component data from the SYSAUX
tablespace to another tablespace.
C. All the components may be moved into SYSAUX tablespace.
D. All the components may be moved from the SYSAUX tablespace.
Answer: B,D
Oracle 1Z0-060 1Z0-060
Explanation:
V$SYSAUX_OCCUPANTS displays SYSAUX tablespace occupant information.
MOVE_PROCEDURE:Name of the move procedure; null if not applicable
For example, the tables and indexes that were previously owned by the system user can now be
specified for a SYSAUX tablespace. You can query the v$sysaux_occupants view to find the exact
components stored within the SYSAUX tablespace.
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