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Exam Code: 1Z0-060Prüfungsname: Upgrade to Oracle Database 12c
Aktulisiert: 2014-08-06, 1Z0-060 online prüfungen
Nummer: 150 Q&As
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NO.1 What is the result of executing a TRUNCATE TABLE command on a table that has Flashback
Archiving enabled?
A. It fails with the ORA-665610 Invalid DDL statement on history-tracked message
B. The rows in the table are truncated without being archived.
C. The rows in the table are archived, and then truncated.
D. The rows in both the table and the archive are truncated.
Answer: B
Oracle Fragenkatalog 1Z0-060 fragen und antworten 1Z0-060 1Z0-060 1Z0-060 lernhilfe
Explanation:
You cannot roll back a TRUNCATE TABLE statement, nor can you use a FLASHBACK TABLE statement
to retrieve the contents of a table that has been truncated.
NO.2 The trace files may be aggregated by using the trcess utility.
NO.3 Identify three benefits of Unified Auditing.
A. Decreased use of storage to store audit trail rows in the database.
B. It improves overall auditing performance.
C. It guarantees zero-loss auditing.
D. The audit trail cannot be easily modified because it is read-only.
E. It automatically audits Recovery Manager (RMAN) events.
Answer: A,B,E
Oracle 1Z0-060 prüfungsfragen 1Z0-060 dumps 1Z0-060 online prüfungen 1Z0-060 dumps deutsch 1Z0-060
Explanation:
A: Starting with 12c, Oracle has unified all of the auditing types into one single unit called Unified
auditing. You don't have to turn on or off all of the different auidting types individually and as a
matter of fact auditing is enabled by default right out of the box. The AUD$ and FGA$ tables have
been replaced with one single audit trail table. All of the audit data is now stored in Secure Files
table thus improving the overall management aspects of audit data itself.
B: Further the audit data can also be buffered solving most of the common performance related
problems seen on busy environments.
E: Unified Auditing is able to collect audit data for Fine Grained Audit, RMAN, Data Pump, Label
Security, Database Vault and Real Application Security operations.
Note:
* Benefits of the Unified Audit Trail
The benefits of a unified audit trail are many: / (B) Overall auditing performance is greatly improved.
The default mode that unified audit works is Queued Write mode. In this mode, the audit records
are batched in SGA queue and is persisted in a periodic way. Because the audit records are written
to SGA queue, there is a significant performance improvement.
/ The unified auditing functionality is always enabled and does not depend on the initialization
parameters that were used in previous releases
/ (A) The audit records, including records from the SYS audit trail, for all the audited components of
your Oracle Database installation are placed in one location and in one format, rather than your
having to look in different places to find audit trails in varying formats. This consolidated view
enables auditors to co-relate audit information from different components. For example, if an error
occurred during an INSERT statement, standard auditing can indicate the error number and the SQL
that was executed. Oracle Database Vault-specific information can indicate whether this error
happened because of a command rule violation or realm violation. Note that there will be two audit
records with a distinct AUDIT_TYPE. With this unification in place, SYS audit records appear with
AUDIT_TYPE set to Standard Audit.
/ The management and security of the audit trail is also improved by having it in single audit trail.
/ You can create named audit policies that enable you to audit the supported components listed at
the beginning of this section, as well as SYS administrative users. Furthermore, you can build
conditions and exclusions into your policies.
*Oracle Database 12c Unified Auditing enables selective and effective auditing inside the Oracle
database using policies and conditions. The new policy based syntax simplifies management of
auditing within the database and provides the ability to accelerate auditing based on conditions.
*The new architecture unifies the existing audit trails into a single audit trail, enabling simplified
management and increasing the security of audit data generated by the database.
NO.4 You database is running an ARCHIVELOG mode.
The following parameter are set in your database instance:
LOG_ARCHIVE_FORMAT = arch+%t_%r.arc
LOG_ARCHIVE_DEST_1 = 'LOCATION = /disk1 /archive'
DB_RECOVERY_FILE_DEST_SIZE = 50G
DB_RECOVERY_FILE = '/u01 /oradata'
Which statement is true about the archived redo log files?
A. They are created only in the location specified by the LOG_ARCHIVE_DEST_1 parameter.
B. They are created only in the Fast Recovery Area.
C. They are created in the location specified by the LOG_ARCHIVE_DEST_1 parameter and in the
default location $ORACLE_HOME/dbs/arch.
D. They are created in the location specified by the LOG_ARCHIVE_DEST_1 parameter and the
location specified by the DB_RECOVERY_FILE_DEST parameter.
Answer: A
Oracle originale fragen 1Z0-060 Schulungsunterlagen 1Z0-060 Prüfungsfragen 1Z0-060 Examsfragen 1Z0-060 fragen und antworten
Explanation:
You can choose to archive redo logs to a single destination or to multiple destinations. Destinations
can be local-within the local file system or an Oracle Automatic Storage Management (Oracle ASM)
disk group-or remote (on a standby database). When you archive to multiple destinations, a copy of
each filled redo log file is written to each destination. These redundant copies help ensure that
archived logs are always available in the event of a failure at one of the destinations. To archive to
only a single destination, specify that destination using the LOG_ARCHIVE_DEST and
LOG_ARCHIVE_DUPLEX_DEST initialization parameters. ARCHIVE_DEST initialization parameter. To
archive to multiple destinations, you can choose to archive to two or more locations using the
LOG_ARCHIVE_DEST_n initialization parameters, or to archive only to a primary and secondary
destination using the LOG_ ARCHIVE_DEST and LOG_ARCHIVE_DUPLEX_DEST initialization
parameters.
NO.5 The trace files be aggregated by using the tkprof utility.
Identify the correct outcome and the step to aggregate by using tkprof utility?
A. 1
B. 2 and 4
C. 2 and 5
D. 3 and 4
E. 3 and 5
Answer: B
Oracle Unterlage 1Z0-060 zertifizierungsfragen 1Z0-060 prüfung 1Z0-060 exam fragen 1Z0-060 prüfungsfragen
Explanation:
Tracing information is present in multiple trace files and you must use the trcsess
tool to collect it into a single file.
Incorrect:
Not 1: Parameter service_name
Name of the service for which tracing is enabled.
module_name
Name of the MODULE. An optional additional qualifier for the service.
Note:
*The procedure enables a trace for a given combination of Service, MODULE and ACTION name. The
specification is strictly hierarchical: Service Name or Service Name/MODULE, or Service Name,
MODULE, and ACTION name must be specified. Omitting a qualifier behaves like a wildcard, so that
not specifying an ACTION means all ACTIONs. Using the ALL_ACTIONS constant achieves the same
purpose.
*SERV_MOD_ACT_TRACE_ENABLE Procedure
This procedure will enable SQL tracing for a given combination of Service Name, MODULE and
ACTION globally unless an instance_name is specified.
*DBMS_MONITOR.SERV_MOD_ACT_TRACE_ENABLE(
service_name IN VARCHAR2,
module_name IN VARCHAR2 DEFAULT ANY_MODULE,
action_name IN VARCHAR2 DEFAULT ANY_ACTION,
waits IN BOOLEAN DEFAULT TRUE,
binds IN BOOLEAN DEFAULT FALSE,
instance_name IN VARCHAR2 DEFAULT NULL);
4. In a recent Automatic Workload Repository (AWR) report for your database, you notice a high
number of buffer busy waits. The database consists of locally managed tablespaces with free list
managed segments.
On further investigation, you find that buffer busy waits is caused by contention on data blocks.
Which option would you consider first to decrease the wait event immediately?
A. Decreasing PCTUSED
B. Decreasing PCTFREE
C. Increasing the number of DBWN process
D. Using Automatic Segment Space Management (ASSM)
E. Increasing db_buffer_cache based on the V$DB_CACHE_ADVICE recommendation
Answer: D
Oracle testantworten 1Z0-060 fragen beantworten 1Z0-060 tests
Explanation:
* Automatic segment space management (ASSM) is a simpler and more efficient way of managing
space within a segment. It completely eliminates any need to specify and tune the pctused,freelists,
and freelist groups storage parameters for schema objects created in the tablespace. If any of these
attributes are specified, they are ignored.
*Oracle introduced Automatic Segment Storage Management (ASSM) as a replacement for
traditional freelists management which used one-way linked-lists to manage free blocks with tables
and indexes. ASSM is commonly called "bitmap freelists" because that is how Oracle implement the
internal data structures for free block management.
Note:
*Buffer busy waits are most commonly associated with segment header contention onside the data
buffer pool (db_cache_size, etc.).
*The most common remedies for high buffer busy waits include database writer (DBWR) contention
tuning, adding freelists (or ASSM), and adding missing indexes.
5. You executed this command to create a password file:
$ orapwd file = orapworcl entries = 10 ignorecase = N
Which two statements are true about the password file?
A. It will permit the use of uppercase passwords for database users who have been granted the
SYSOPER role.
B. It contains username and passwords of database users who are members of the OSOPER
operating system group.
C. It contains usernames and passwords of database users who are members of the OSDBA
operating system group.
D. It will permit the use of lowercase passwords for database users who have granted the SYSDBA
role.
E. It will not permit the use of mixed case passwords for the database users who have been granted
the SYSDBA role.
Answer: A,D
Oracle Prüfungsfrage 1Z0-060 exam fragen 1Z0-060 prüfungsvorbereitung 1Z0-060 prüfungsfragen 1Z0-060 prüfungen
Explanation:
* You can create a password file using the password file creation utility, ORAPWD.
* Adding Users to a Password File
When you grant SYSDBA or SYSOPER privileges to a user, that user's name and privilege information
are added to the password file. If the server does not have an EXCLUSIVE password file (that is, if the
initialization parameter REMOTE_LOGIN_PASSWORDFILE is NONE or SHARED, or the password file is
missing), Oracle Database issues an error if you attempt to grant these privileges.
A user's name remains in the password file only as long as that user has at least one of these two
privileges. If you revoke both of these privileges, Oracle Database removes the user from the
password file.
*The syntax of the ORAPWD command is as follows:
ORAPWD FILE=filename [ENTRIES=numusers] [FORCE={Y|N}] [IGNORECASE={Y|N}]
[NOSYSDBA={Y|N}]
*IGNORECASE If this argument is set to y, passwords are case-insensitive. That is, case is ignored
when comparing the password that the user supplies during login with the password in the
password file.
NO.6 Identify two situations in which the alert log file is updated.
A. Running a query on a table returns ORA-600: Internal Error.
B. Inserting a value into a table returns ORA-01722: invalid number.
C. Creating a table returns ORA-00955: name us already in used by an existing objects.
D. Inserting a value into a table returns ORA-00001: unique constraint (SYS.OK_TECHP) violated.
E. Rebuilding an index using ALTER INDEX . . . REBUILD fails with an ORA-01578: ORACLE data block
corrupted (file # 14, block # 50) error.
Answer: A,E
Oracle Testfagen 1Z0-060 tests 1Z0-060 1Z0-060 Fragenpool 1Z0-060 Prüfungsunterlagen 1Z0-060 Prüfungsfragen
Explanation:
The alert log is a chronological log of messages and errors, and includes the following items:
*All internal errors (ORA-600), block corruption errors (ORA-1578), and deadlock errors (ORA-60)
that occur
*Administrative operations, such as CREATE, ALTER, and DROP statements and STARTUP ,
SHUTDOWN, and ARCHIVELOG statements
*Messages and errors relating to the functions of shared server and dispatcher processes
*Errors occurring during the automatic refresh of a materialized view
*The values of all initialization parameters that had nondefault values at the time the database and
instance start
Note:
*The alert log file (also referred to as the ALERT.LOG) is a chronological log of messages and errors
written out by an Oracle Database. Typical messages found in this file is: database startup,
shutdown, log switches, space errors, etc. This file should constantly be monitored to detect
unexpected messages and corruptions.
NO.7 You notice a high number of waits for the db file scattered read and db file sequential read
events in the recent Automatic Database Diagnostic Monitor (ADDM) report. After further
investigation, you find that queries are performing too many full table scans and indexes are not
being used even though the filter columns are indexed.
Identify three possible reasons for this.
A. Missing or stale histogram statistics
B. Undersized shared pool
C. High clustering factor for the indexes
D. High value for the DB_FILE_MULTIBLOCK_READ_COUNT parameter
E. Oversized buffer cache
Answer: A,C,D
Oracle zertifizierungsantworten 1Z0-060 1Z0-060
Explanation:
D: DB_FILE_MULTIBLOCK_READ_COUNT is one of the parameters you can use to minimize I/O
during table scans. It specifies the maximum number of blocks read in one I/O operation during a
sequential scan. The total number of I/Os needed to perform a full table scan depends on such
factors as the size of the table, the multiblock read count, and whether parallel execution is being
utilized for the operation.
NO.8 In your database, you want to ensure that idle sessions that are blocking active are
automatically terminated after a specified period of time.
How would you accomplish this?
A. Setting a metric threshold
B. Implementing Database Resource Manager
C. Enabling resumable timeout for user sessions
D. Decreasing the value of the IDLE_TIME resource limit in the default profile
Answer: D
Oracle fragen beantworten 1Z0-060 zertifizierungsantworten 1Z0-060 prüfungen 1Z0-060 originale Fragen 1Z0-060 dumps
Explanation:
An Oracle session is sniped when you set the idle_time parameter to disconnect inactive sessions.
(It's only like sniping on ebay in that a time is set for an action to occur.)
Oracle has several ways to disconnect inactive or idle sessions, both from within SQL*Plus via
resources profiles (connect_time, idle_time), and with the SQL*net expire time parameter. Here are
two ways to disconnect an idle session:
Set the idle_time parameter in the user profile Set the sqlnet.ora parameter expire_time
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