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单选题
You configured the large pool for Oracle backup and restore operations. As a result， which component would require less memory？（）
A
streams pool
B
shared pool
C
log buffer
D
keep buffer cache
E
recycle buffer cache
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考题
单选题You find that the database performance degrades while you backup the PROD database using Recovery Manager （RMAN）. The PROD database is running in shared server mode. The database instance is currently using 60% of total operating system memory. You suspect the shared pool fragmentation to be the reason. Which action would you consider to overcome the performance degradation？（）A
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考题
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large poolB
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单选题Identify the memory component from which memory may be allocated for: （） 1: Session memory for the shared server 2: Buffers for I/O slaves 3: Oracle Database Recovery Manager (RMAN) backup and restore operationsA
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单选题You observe that a database performance has degraded over a period of time. While investigating the reason， you find that the size of the database buffer cache is not large enough to cache all the needed data blocks. Which advisory component would you refer to， in order to determine that required size of the database buffer cache？ （）A
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单选题Identify the memory component from which memory may be allocated for：（） 1. Session memory for the shared server 2. Buffers for I/O slaves 3. Oracle Database Recovery Manager （RMAN） backup and restore operationsA
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Redo Log BufferC
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Program Global Area （PGA）
考题
单选题A senior DBA asked you to execute the following command to improve performance: SQL ALTER TABLE subscribe log STORAGE (BUFFER_POOL recycle); You checked the data in the SUBSCRIBE_LOG table and found that it is a large table containing one million rows. What could be a reason for this recommendation?（）A
The keep pool is not configured.B
Automatic Workarea Management is not configured.C
Automatic Shared Memory Management is not enabled.D
The data blocks in the SUBSCRIBE_LOG table are rarely accessed.E
All the queries on the SUBSCRIBE_LOG table are rewritten to a materialized view
考题
单选题You configured the large pool for Oracle backup and restore operations. As a result， which component would require less memory？（）A
streams poolB
shared poolC
log bufferD
keep buffer cacheE
recycle buffer cache
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Configure Java Pool to cache the java objects.B
Configure Streams Pool to enable parallel processing.C
Increase Shared Pool size to cache more PL/SQL objects.D
Increase Database Buffer Cache size to increase cache hits.E
Configure Large Pool to be used by RMAN and shared server.F
Increase the total System Global Area （SGA） size to increase memory hits.
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单选题In your database， the RESULT_CACHE_MODE parameter has been set to MANUAL in the initialization parameter file. You issued the following command： SQLSELECT /*+ RESULT_CACHE */ sale_category， sum（sale_amt） FROM sales GROUP BY sale_category； Where would the result of this query be stored（）？A
database buffer cacheB
shared poolC
PGAD
large pool
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单选题Users complain about the slow response time of queries. While investigating the cause you find that the Oracle Instance is not configured to cache all of the data blocks to satisfy the users’queries. Which component of the Oracle Instance would you change to improve performance？（）A
Java poolB
Large poolC
Shared poolD
Streams poolE
Library cacheF
Redo log bufferG
Data dictionary cacheH
Database buffer cache
考题
单选题You noticed that large memory allocations for the Oracle backup and restore operations are causing a performance overhead on the shared pool. Which memory structure would you configure to avoid this performance overhead？（）A
recycle buffer cacheB
large poolC
streams poolD
keep buffer cacheE
redo log buffer
考题
多选题You have configured Automatic Shared Memory Management. Which four memory structures would be automatically tuned？ （）Alog bufferBJava poolCLarge poolDFixed SGAEShared poolFStreams poolGKeep buffer cacheHDatabase buffer cache
考题
单选题An application accesses a small lookup table frequently. You notice that the required data blocks are getting aged out of the default buffer cache. How would you guarantee that the blocks for the table never age out?（）A
Configure the KEEP buffer pool and alter the table with the corresponding storage clause.B
Increase the database buffer cache size.C
Configure the RECYCLE buffer pool and alter the table with the corresponding storage clause.D
Configure Automata Shared Memory Management.E
Configure Automatic Memory Management
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