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 ins

题目
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.


相似考题
参考答案和解析
正确答案: D
解析: 暂无解析
更多“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 ins”相关问题
  • 第1题:

    You work as a database administrator for Certkiller .com. Your database is in NOARCHIVELOG mode and you want to perform a backup. Which type of backup would be appropriate in this case? ()

    • A、Hot backup
    • B、Online backup
    • C、consistent backup
    • D、incremental backup
    • E、inconsistent backup

    正确答案:C

  • 第2题:

    You work as a database administrator for Certkiller .com. You want to configure database backups to be run automatically.  Which tool or utility would you use to achieve this? ()

    • A、The DBMS_JOB package
    • B、The BACKUP_JOB package
    • C、The DBMS_BACKUP_RESTORE package
    • D、The calendar tool in the Operating System (OS)
    • E、The backup scheduler in Enterprise Manager (EM)
    • F、The DBMS_BACKUP_SCHEDULER packager inline mode

    正确答案:E

  • 第3题:

    You work as a database administrator for Certkiller .com. Users in the Certkiller .com PROD database complain about the slow response of transactions. While investigating the reason you find that the transactions are waiting for the undo segments to be available, and undo retention has been set to zero. What would you do to overcome this problem?()

    • A、Increase the undo return
    • B、Create more undo segments
    • C、Create another undotablespace
    • D、Increase the size of the undotablespace

    正确答案:D

  • 第4题:

    You work as a database administrator for Certkiller .com. Your database is opened in NOARCHIVEKLOG mode. You decide to place the database in ARCHIVELOG mode.  How would you do this?()

    • A、Execute the ALTER DATABASE ARCHIVELOG statement 
    • B、Select ARCHIVELOG option in the database control and restart the database to apply the changes. 
    • C、Shut down and start the instance, and in the NOMOUNT state execute the ALTER DATABASE ARCHIVELOG statement. 
    • D、Shut down and start the instance, mount the database, then execute the ALTER DATABASE ARCHIVELOG statement. 

    正确答案:B,D

  • 第5题:

    You work as a database administrator for Certkiller .com. You have been asked to use a centralized administrative tool to administer your database servers and application servers. In order to achieve the objective, which component would you configure on each database server?()

    • A、Database Control
    • B、Management Server
    • C、Management Repository
    • D、Application Server Control
    • E、Oracle Management Agent

    正确答案:E

  • 第6题:

    单选题
    You work as a database administrator for Certkiller .com. Users in the Certkiller .com PROD database complain about the slow response of transactions. While investigating the reason you find that the transactions are waiting for the undo segments to be available, and undo retention has been set to zero. What would you do to overcome this problem?()
    A

    Increase the undo return

    B

    Create more undo segments

    C

    Create another undotablespace

    D

    Increase the size of the undotablespace


    正确答案: C
    解析: 暂无解析

  • 第7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8题:

    多选题
    You work as a database administrator for Certkiller .com. One of the database users accidentally deleted all the rows of a critical table and committed the delete at 1:30 p.m. You senior database administrator, Certkiller, asks you to retrieve the lost data. Which two actions would you use to ensure that there is no impact on other connected users while retrieving the deleted rows?()
    A

    Use a flashback query to retrieve the rows that were deleted

    B

    Useconventialincremental export and then import the affected object

    C

    Shutdown the database inNORMALmode and restart the database instance

    D

    Use DBMS_META package to reconstruct the object using undo segments

    E

    UseTablespacePoint in Time Recovery (TSPITR) method to recover the table and the data

    F

    Use Oracle DataPumptwithflashback_timeoption toentableflashback export and then import the affected object.


    正确答案: D,F
    解析: 暂无解析

  • 第9题:

    多选题
    You work as a database administrator for Certkiller .com. You decided to manage client and server connections using Local Naming method in Certkiller .com. When you try to connect to the database you get the following error: ERROR:  ORA-12154:TNS:couldnot resolve service name  Which network configuration files would you look into to resolve this error?()
    A

    snmp.ora

    B

    names.ora

    C

    spfile.ora

    D

    sqlnet.ora

    E

    listener.ora

    F

    tnsnames.ora


    正确答案: E,A
    解析: 暂无解析

  • 第10题:

    单选题
    You work as a database administrator for Certkiller .com. You are using three database, Certkiller DB01, Certkiller DB02, and Certkiller DB03, on different host machines in your development environment. The database serverconfiguration, such as IP address and listener port number, change frequently due to development requirements, and you havethe task of notifying the developers of the changes. Which connection method would you use to overcome this overhead?()
    A

    Host naming

    B

    Local naming

    C

    Easy Connect

    D

    External naming

    E

    directory naming


    正确答案: C
    解析: 暂无解析

  • 第11题:

    多选题
    You work as a database administrator for Certkiller .com. You are using Recovery Manager (RMAN) to perform backups in your databases.  Which four backup operations can be performed using RMAN?()
    A

    A backup of the target database when it is mounted

    B

    A backup of online redo log files when the database is open

    C

    A backup of only used data blocks in the file beingbeingbackup up

    D

    A backup of online, read/write data files when the database is open

    E

    A backup of only those data blocks that have changed since a previous backup

    F

    A backup of online, read/write data files when the database is in the NOMOUNT state.


    正确答案: A,C,D,E
    解析: 暂无解析

  • 第12题:

    单选题
    While setting up an Oracle database for one of your critical applications, you want to ensure that the database is backed up at regular intervals without your intervention.What should you do to achieve the objective?()
    A

    configure the database to run in ARCHIVELOG mode

    B

    configure the Flash Recovery Area to enable automatic database backup

    C

    schedule the database backup using DBMS_JOB package after creating the database

    D

    schedule the database backup using Recovery Manager (RMAN)commands after creating the database

    E

    schedule the database backup using Database Configuration Assistant (DBCA)while creating the database


    正确答案: B
    解析: 暂无解析

  • 第13题:

    You work as a database administrator for Certkiller .com. You find that reports are running for a long time in your data warehousing applications. You suspect a lack of indexes is the reason for the performance degradation.  Which advisory component would you refer to, in order to determine the appropriate indexes?()

    • A、Memory Advisors
    • B、Segment Advisors
    • C、SQL Tuning and Access Advisors
    • D、Automated Workload Repository (AWR)
    • E、Automatic Database Diagnostic Monitor (ADDM)

    正确答案:C

  • 第14题:

    You work as a database administrator for Certkiller .com. While loading data into the Certkiller STAFF table using Oracle Enterprise Manager 10g Database Control, you find the status of the job as failed. On further investigation, you find the following error message in the output log: ORA-01653 unable to extend table HR. Certkiller STAFF by 8 intablespaceUSERS Which task would you perform to load the data successfully without affecting the users who are accessing the table?()

    • A、Restart the database instance and run the job
    • B、Truncate the Certkiller STAFF table and run the job
    • C、Delete all rows from the Certkiller STAFF table and run the job
    • D、Increase the size of the USERStablespacethe and run the job
    • E、Increase the size of the database default permanenttablespaceand run the job

    正确答案:D

  • 第15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16题:

    You work as a database administrator for Certkiller .com. You decided to manage client and server connections using Local Naming method in Certkiller .com. When you try to connect to the database you get the following error: ERROR:  ORA-12154:TNS:couldnot resolve service name  Which network configuration files would you look into to resolve this error?()

    • A、snmp.ora
    • B、names.ora
    • C、spfile.ora
    • D、sqlnet.ora
    • E、listener.ora
    • F、tnsnames.ora

    正确答案:D,F

  • 第17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18题:

    单选题
    You work as a database administrator for Certkiller .com. Your database is in NOARCHIVELOG mode and you want to perform a backup. Which type of backup would be appropriate in this case? ()
    A

    Hot backup

    B

    Online backup

    C

    consistent backup

    D

    incremental backup

    E

    inconsistent backup


    正确答案: C
    解析: 暂无解析

  • 第19题:

    单选题
    You work as a database administrator for Certkiller .com. You find that reports are running for a long time in your data warehousing applications. You suspect a lack of indexes is the reason for the performance degradation.  Which advisory component would you refer to, in order to determine the appropriate indexes?()
    A

    Memory Advisors

    B

    Segment Advisors

    C

    SQL Tuning and Access Advisors

    D

    Automated Workload Repository (AWR)

    E

    Automatic Database Diagnostic Monitor (ADDM)


    正确答案: C
    解析: 暂无解析

  • 第20题:

    单选题
    You work as a database administrator for Certkiller .com. You have been asked to use a centralized administrative tool to administer your database servers and application servers. In order to achieve the objective, which component would you configure on each database server?()
    A

    Database Control

    B

    Management Server

    C

    Management Repository

    D

    Application Server Control

    E

    Oracle Management Agent


    正确答案: C
    解析: 暂无解析

  • 第21题:

    单选题
    You work as a database administrator for Certkiller .com. You received the following error while working on your database: ORA-01555: snapshot too old  In which situation would you receive such an error?()
    A

    You performed rollback after commit.

    B

    If a log switch occurs in your database.

    C

    Thearchiverfails to generate an archived log file.

    D

    Instance recovery fails to find one of the redo log files.

    E

    A long-running query is unable to get read-consistent image.

    F

    If you perform manual undo management operations in auto mode.


    正确答案: D
    解析: 暂无解析

  • 第22题:

    单选题
    You work as a database administrator for Certkiller .com. You want to configure database backups to be run automatically.  Which tool or utility would you use to achieve this? ()
    A

    The DBMS_JOB package

    B

    The BACKUP_JOB package

    C

    The DBMS_BACKUP_RESTORE package

    D

    The calendar tool in the Operating System (OS)

    E

    The backup scheduler in Enterprise Manager (EM)

    F

    The DBMS_BACKUP_SCHEDULER packager inline mode


    正确答案: D
    解析: 暂无解析

  • 第23题:

    单选题
    You work as a database administrator for Certkiller .com. While loading data into the Certkiller STAFF table using Oracle Enterprise Manager 10g Database Control, you find the status of the job as failed. On further investigation, you find the following error message in the output log: ORA-01653 unable to extend table HR. Certkiller STAFF by 8 intablespaceUSERS Which task would you perform to load the data successfully without affecting the users who are accessing the table?()
    A

    Restart the database instance and run the job

    B

    Truncate the Certkiller STAFF table and run the job

    C

    Delete all rows from the Certkiller STAFF table and run the job

    D

    Increase the size of the USERStablespacethe and run the job

    E

    Increase the size of the database default permanenttablespaceand run the job


    正确答案: E
    解析: 暂无解析