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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 Large PoolB Redo Log BufferC Database Bu

题目
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 operations
A

Large Pool

B

Redo Log Buffer

C

Database Buffer Cache

D

Program Global Area (PGA)


相似考题
参考答案和解析
正确答案: B
解析: 暂无解析
更多“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 Large PoolB Redo Log BufferC Database Bu”相关问题
  • 第1题:

    You are analyzing the components of the redo log mechanisms in your Oracle database. Which of the following purposes does the CKPT process serve?()

    • A、Writes buffers to disk 
    • B、Writes current redo log number to datafile headers 
    • C、Writes redo log information to disk 
    • D、Reads information into memory for users

    正确答案:B

  • 第2题:

    Your PROD database has been started using the server parameter file. In your PROD database you are using RMAN for backup and recovery operations. You issue the following commands from the RMAN prompt:     RMAN> CONFIGURE CONTROLFILE AUTOBACKUP OFF;   RMAN> BACKUP DATABASE;   Which files from the database will be backed up as a result of this BACKUP command?()

    • A、 control file
    • B、 all datafiles
    • C、 password file
    • D、 online redo log file
    • E、 archive redo log file
    • F、 server parameter file
    • G、 only the SYSTEM datafile

    正确答案:A,B,F

  • 第3题:

    Your database is configured in shared server mode. However, your senior DBA asks you to modify the value ofthe PRIVATE_SGA limit in the profile of the users.  What could be the reason for this()

    • A、To limit the User Global Area (UGA) memory allocated to a session from the SGA
    • B、To limit the amount of memory to be used for the dispatcher queue of a session in SGA
    • C、To limit the amount of memory to be used for the request pool in System Global Area (SGA)
    • D、To control the amount of memory allocated in SGA for the local variables for each shared server process

    正确答案:A

  • 第4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 operations 

    • A、Large Pool
    • B、Redo Log Buffer
    • C、Database Buffer Cache
    • D、Program Global Area (PGA)

    正确答案:A

  • 第5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 operations

    • A、Large Pool
    • B、Redo Log Buffer
    • C、Database Buffer Cache
    • D、Program Global Area (PGA)

    正确答案:A

  • 第6题:

    You work as a database administrator for Certkiller .com. You find that the database performance degrades while you backup the Certkiller database using Recovery Manager (RMAN). The Certkiller 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、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.

    正确答案:E

  • 第7题:

    单选题
    Your database is configured in shared server mode. However, your senior DBA asks you to modifythe value of the PRIVATE_SGA limit in the profile of the users.  What could be the reason for this()
    A

    to limit the User Global Area (UGA) memory allocated to a session from the SGA

    B

    to limit the amount of memory to be used for the dispatcher queue of a session in SGA

    C

    to limit the amount of memory to be used for the request pool in System Global Area (SGA)

    D

    to control the amount of memory allocated in SGA for the local variables for each shared server process


    正确答案: A
    解析: 暂无解析

  • 第8题:

    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 operations
    A

    Large Pool

    B

    Redo Log Buffer

    C

    Database Buffer Cache

    D

    Program Global Area (PGA)


    正确答案: A
    解析: 暂无解析

  • 第9题:

    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 operations
    A

    Large Pool

    B

    Redo Log Buffer

    C

    Database Buffer Cache

    D

    Program Global Area (PGA)


    正确答案: D
    解析: 暂无解析

  • 第10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 pool

    B

     shared pool

    C

     log buffer

    D

     keep buffer cache

    E

     recycle buffer cache


    正确答案: E
    解析: 暂无解析

  • 第11题:

    多选题
    Your PROD database has been started using the server parameter file. In your PROD database you are using RMAN for backup and recovery operations. You issue the following commands from the RMAN prompt:     RMAN> CONFIGURE CONTROLFILE AUTOBACKUP OFF;   RMAN> BACKUP DATABASE;   Which files from the database will be backed up as a result of this BACKUP command?()
    A

    control file

    B

    all datafiles

    C

    password file

    D

    online redo log file

    E

    archive redo log file

    F

    server parameter file

    G

    only the SYSTEM datafile


    正确答案: C,D
    解析: 暂无解析

  • 第12题:

    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 operations
    A

    Large Pool

    B

    Redo Log Buffer

    C

    Database Buffer Cache

    D

    Program Global Area (PGA)


    正确答案: C
    解析: 暂无解析

  • 第13题:

    The BACKUP_TAPE_IO_SLAVES parameter is set to FALSE for the database instance. Which statement is true while performing a tape backup in an RMAN session?()  

    • A、 The tape I/O performed is asynchronous
    • B、 The tape buffer is allocated from the System Global Area (SGA)
    • C、 The tape buffer is allocated from the Program Global Area (PGA)
    • D、 Oracle I/O uses an interrupt mechanism to determine when each I/O completes

    正确答案:C

  • 第14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

    正确答案:B

  • 第15题:

    Which three are true about the large pool for an Oracle database instance that supports shared serverconnections?()

    • 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

    正确答案:A,B,C

  • 第16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、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.

    正确答案:E

  • 第17题:

    Your database is using shared server configuration. Which optional memory structure would you configure to store the User Global Area (UGA) information and improve the shared pool performance?()

    • A、large pool
    • B、streams pool
    • C、keep buffer cache
    • D、recycle buffer cache

    正确答案:A

  • 第18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

    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.


    正确答案: D
    解析: 暂无解析

  • 第19题:

    单选题
    Redo log files are multiplexed in your database. The disk in which you have one of the redo log members is highly fragmented. In the process of defragmentation you lose the redo log member, which is not a member of the current group. How would you recover from the loss of the redo log member?()
    A

    SMON would automatically restore the lost file.

    B

    You would need to restore the whole database from the last backup.

    C

    You would need to restore the file from the last full database backup.

    D

    You would need to use flashback technology to restore the lost redo log member.

    E

    You would need to use Recovery Manager (RMAN) to restore the lost redo log member.

    F

    You would need to restore the missing log file by copying one of the remaining files from the same group.


    正确答案: B
    解析: 暂无解析

  • 第20题:

    单选题
    You are analyzing the components of the redo log mechanisms in your Oracle database. Which of the following purposes does the CKPT process serve?()
    A

    Writes buffers to disk 

    B

    Writes current redo log number to datafile headers 

    C

    Writes redo log information to disk 

    D

    Reads information into memory for users


    正确答案: A
    解析: 暂无解析

  • 第21题:

    单选题
    The BACKUP_TAPE_IO_SLAVES parameter is set to FALSE for the database instance. Which statement is true while performing a tape backup in an RMAN session?()
    A

     The tape I/O performed is asynchronous

    B

     The tape buffer is allocated from the System Global Area (SGA)

    C

     The tape buffer is allocated from the Program Global Area (PGA)

    D

     Oracle I/O uses an interrupt mechanism to determine when each I/O completes


    正确答案: A
    解析: 暂无解析

  • 第22题:

    单选题
    You work as a database administrator for Certkiller .com. You find that the database performance degrades while you backup the Certkiller database using Recovery Manager (RMAN). The Certkiller 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

    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.


    正确答案: D
    解析: 暂无解析

  • 第23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 cache

    B

     large pool

    C

     streams pool

    D

     keep buffer cache

    E

     redo log buffer


    正确答案: A
    解析: 暂无解析

  • 第24题:

    多选题
    Which three are true about the large pool for an Oracle database instance that supports shared serverconnections?()
    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


    正确答案: E,C
    解析: 暂无解析