Oracle Database 11g: Administrator I : 1z1-052 Exam

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69. You are working on an instance started using the SPFILE. You want to move the Flash Recovery Area of your database to a new location. You want the Flashback log files to be stored in the new location. Given below are the steps to accomplish the task in random order:
1) Shut down the instance.
2) Change the value of the DB_RECOVERY_FILE_DEST initialization parameter to a new value.
3) Execute the ALTER DATABASE FLASHBACK OFF command.
4) Start up the instance and mount the database.
5) Execute the ALTER DATABASE FLASHBACK ON command.
6) Open the database.
Select the correct order in which these tasks need to be performed.
A.2, 1, 4, 3, 5, 6
B.1, 4, 3, 2, 6, 5
C.1, 4, 2, 6, 3, 5
D.3, 2, 1, 4, 5, 6
Answer: A

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62. You are in the middle of a transaction updating a very important table. The machine on which a

63. Examine the values for the following initialization parameters:
FAST_START_MTTR_TARGET = 0
LOG_CHECKPOINT_INTERVAL = 0
Which two will be the implications of these values in your database? (Choose two.)
A.The SGA advisor will be disabled.
B.The MTTR advisor will be enabled.
C.Automatic checkpoint tuning will be disabled.
D.Checkpoint information will not be written to the alert log file.
Answer: BC

53. You set the following parameters in the parameter file and restarted the database:
MEMORY_MAX_TARGET=0
MEMORY_TARGET=500M
PGA_AGGREGATE_TARGET=90M
SGA_TARGET=270M
Which two statements are true about these parameters after the database instance is restarted? (Choose two.)
A.The MEMORY_MAX_TARGET parameter is automatically set to 500 MB.
B.The PGA_AGGREGATE_TARGET and SGA_TARGET parameters are automatically set to zero.
C.The value of the MEMORY_MAX_TARGET parameter remains zero until it is changed manually.
D.The lower bounds of PGA_AGGREGATE_TARGET and SGA_TARGET parameters are set to 90 MB and 270 MB, respectively.
to DBA_ALERT_HISTORY.
D.The threshold alerts related to database metrics are permanently stored in DBA_ALERT_HISTORY but not the threshold alerts related to instance metrics.
Answer: AD

54. Automatic Shared Memory Management (ASMM) has been enabled for your database instance. The initialization parameters for the components that are managed by ASMM are not set. After observing the effects of ASSM, you executed the following command:
SQL> ALTER SYSTEM SET DB_CACHE_SIZE = 100M;
Which statement is true in this scenario?
A.The minimum memory size for the database buffer cache is set to 100 MB.
B.The maximum memory size that can be obtained by the database buffer cache during ASMM is set to 100 MB.
C.The minimum memory size allocated for a server process in the database buffer cache in dedicated mode is set to 100 MB.
D.The maximum memory size from the database buffer cache that can be released for dynamic distribution during ASMM is set to 100 MB.
Answer: A

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46. Which two statements are true about the Automatic Database Diagnostic Monitor (ADDM)? (Choose two.)
A.The ADDM requires at least four AWR snapshots for analysis.
B.The ADDM runs after each AWR snapshot is collected automatically by MMON.
C.The results of the ADDM analysis are stored in the Automatic Workload Repository (AWR).
D.The ADDM analysis provides only diagnostic information but does not provide recommendations.
E.The ADDM calls other advisors if required, but does not provide recommendations about the advisors.
Answer: BC

47. Your database instance is functional for the past one month. The Automatic Workload Repository (AWR) snapshot retention is set to 7 and the STATISTICS_LEVEL initialization parameter is set to TYPICAL.
You receive a complaint about the poor performance of the database between 7 PM and 9 PM of the previous day.
Choose two actions any of which can be referred to first to diagnose the problem. (Choose two.)

A.Use the Active Session History report.
B.Use the AWR Compare Periods report.
C.Use an ADDM analysis between 7 PM and 9 PM of the previous day.
D.Use the AWR Compare Period report between 7 PM and 9 PM of the previous day.
Answer: BC

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44. Your database is functional with a peak load for the last one hour. You want to preserve the performance statistics collected during this period to be used for comparison when you analyze the performance of the database in the future.
What action would you take to achieve this task?
A.Insert finding directives for ADDM tasks in the future.
B.Create a baseline on a pair of snapshots spanning the peak-load period.
C.Decrease the snapshot interval in the AWR to collect more snapshots during the peak-load period.
D.Set the snapshot retention period in the Automatic Workload Repository (AWR) to zero to avoid automatic purging of snapshots.
Answer: B

45. Which statement is true about the Manageability Monitor (MMON) background process?
A.It transfers statistics from memory to disk at regular intervals.
B.It coordinates the rebalance activity for disk groups when ASM is used.
C.It communicates with the Automatic Storage Management (ASM) instance on behalf of the database instance.
D.It performs dynamic memory management when Automatic Shared Memory Management is enabled for the database instance.
Answer: A

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SQL> DBMS_STATS.SET_TABLE_PREFS(‘SH’, ‘CUSTOMERS’, ‘PUBLISH’, ‘false’);
Which statement describes the effect of the above command?
A.Automatic statistics collection is stopped for the CUSTOMERS table.
B.Statistics for the CUSTOMERS table are locked and cannot be overwritten.
C.Existing statistics for the CUSTOMERS table become unusable for the query optimizer.
D.Subsequently, statistics gathered on the CUSTOMERS table are stored as pending statistics.
Answer: D

43. In your database instance, the STATISTICS_LEVEL initialization parameter is set to BASIC. What is the impact of this setting?
A.Optimizer statistics are collected automatically.
B.Only timed operating system (OS) statistics and plan execution statistics are collected.
C.The snapshots for the Automatic Workload Repository (AWR) are not generated automatically.
D.Snapshots cannot be collected manually by using the DBMS_WORKLOAD_REPOSITORY package.
E.The Oracle server dynamically generates the necessary statistics on tables as part of query optimization.
Answer: C

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