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单选题At the request of a user， you issue the following command to restore a dropped table： flashback table "BIN$F2JFfMq8Q5unbC0ceE9eJg==$0" to before drop； Later， the user notifies you that the data in the table seems to be very old and out of date.  What m

题目
单选题
At the request of a user， you issue the following command to restore a dropped table： flashback table "BIN$F2JFfMq8Q5unbC0ceE9eJg==$0" to before drop； Later， the user notifies you that the data in the table seems to be very old and out of date.  What might be the problem？（）
A

 Because a proper range of SCNs was not specified， the wrong data was restored.

B

 A proper range of timestamps was not specified， so the wrong data was restored.

C

 A previous Flashback Drop operation had been performed， resulting in multiple versions of the table being stored in the Recycle Bin.

D

 Either option A or B could be correct. Not enough information was provided to determine which.

E

 None of the above.

相似考题

1.While troubleshooting a connectivity problem on the network, you issue the ping command from your PC command prompt, but the output shows "request times out."At which OSI layer is this problem associated with?A．The data link layerB．The application layerC．The access layerD．The session layerE．The network layer

2.Your multitenant container database (CDB) contains a pluggable database, HR_PDB. The default permanent tablespace in HR_PDB is USERDATA. The container database (CDB) is open and you connect RMAN.You want to issue the following RMAN command:RMAN > BACKUP TABLESPACE hr_pdb:userdata;Which task should you perform before issuing the command?（）A. Place the root container in ARHCHIVELOG mode.B. Take the user data tablespace offline.C. Place the root container in the nomount stage.D. Ensure that HR_PDB is open.

3.A user is successfully authenticating to the network but is unable to access protected resources behind a ScreenOS enforcer. You log in to the ScreenOS enforcer and issue the command get auth table infranet and you do not see the user listed.Which two event log settings on the Junos Pulse Access Control Service must you enable to troubleshootthis issue?（）A. Connection RequestsB. System ErrorsC. Enforcer EventsD. Enforcer Command Trace

4.Upon starting your database, you receive the following error:You can choose from the following steps:1.Restore the database datafiles.2.Issue the alter database clear unarchived logfile group 1 command.3.Issue the alter database open command.4.Issue the alter database open resetlogs command.5.Recover the database using point-in-time recovery.6.Issue the Startup Mount command to mount the database.7.Back up the database.Which is the correct order of these steps in this case?（）A. 1,6,5,4,7B. 6,5,4C. 6,2,3,7D. 1,6,3E. The database cannot be recovered

更多“At the request of a user， you issue the following command to”相关问题

  • 第1题：

    You need to troubleshoot an issue on the switched LAN. When you issue a command "show port3/1" on a switch， you observe the Giants column has a non-zero entry. What could cause this？（）

    • A、IEEE 802.10
    • B、Misconfigured NIC
    • C、User configuration
    • D、IEEE 802.1Q
    • E、None of the other alternatives apply

    正确答案:D

  • 第2题：

    Which command do you issue to upgrade the current software on Junos devices?（）

    • A、request system software replace
    • B、request system software install
    • C、request system software add
    • D、request system software upgrade

    正确答案:C

  • 第3题：

    While troubleshooting a connectivity problem on the network, you issue the ping command from your PC command prompt, but the output shows "request times out."At which OSI layer is this problem associated with?（）

    • A、The data link layer
    • B、The application layer
    • C、The access layer
    • D、The session layer
    • E、The network layer

    正确答案:E

  • 第4题：

    At the request of a user， you issue the following command to restore a dropped table： flashback table "BIN$F2JFfMq8Q5unbC0ceE9eJg==$0" to before drop； Later， the user notifies you that the data in the table seems to be very old and out of date.  What might be the problem？（）  

    • A、 Because a proper range of SCNs was not specified， the wrong data was restored.
    • B、 A proper range of timestamps was not specified， so the wrong data was restored.
    • C、 A previous Flashback Drop operation had been performed， resulting in multiple versions of the table being stored in the Recycle Bin.
    • D、 Either option A or B could be correct. Not enough information was provided to determine which.
    • E、 None of the above.

    正确答案:C

  • 第5题：

    Your database is running in the ARCHIVELOG mode. You have configured RMAN for backup and recovery operations. You execute the following command from the RMAN prompt：   RMAN> CONFIGURE CONTROLFILE AUTOBACKUP ON；   After executing this command， in which of the following cases will RMAN make an auto-backup of the control file？ （）

    • A、 when you change the name of a datafile
    • B、 when you drop a table from the database
    • C、 when you take an export of the database
    • D、 when you back up the database using OS utilities
    • E、 when you issue an ALTER SYSTEM SWITCH LOGFILE statement
    • F、 when you issue a BACKUP command from inside the RMAN run block

    正确答案:A,E,F

  • 第6题：

    You discover an out-of-space condition in the database. You decide to suspend a session for five minutes. You issue the following command to suspend the session：   ALTER SESSION ENABLE RESUMABLE；   Which command could you issue to enable the resumable space allocation feature at the session level？（）  

    • A、 ALTER SESSION ENABLE RESUMABLE_TIMEOUT = 5；
    • B、 ALTER SYSTEM ENABLE RESUMABLE_TIMEOUT = 5；
    • C、 ALTER SESSION ENABLE RESUMABLE_TIMEOUT = 300；
    • D、 ALTER SYSTEM ENABLE RESUMABLE TIMEOUT = 300；

    正确答案:C

  • 第7题：

    单选题
    At the request of a user， you issue the following command to restore a dropped table： flashback table "BIN$F2JFfMq8Q5unbC0ceE9eJg==$0" to before drop； Later， the user notifies you that the data in the table seems to be very old and out of date.  What might be the problem？（）
    A

     Because a proper range of SCNs was not specified， the wrong data was restored.

    B

     A proper range of timestamps was not specified， so the wrong data was restored.

    C

     A previous Flashback Drop operation had been performed， resulting in multiple versions of the table being stored in the Recycle Bin.

    D

     Either option A or B could be correct. Not enough information was provided to determine which.

    E

     None of the above.


    正确答案： C
    解析： 暂无解析

  • 第8题：

    单选题
    How would you grant the RVPC user access to specific RMAN database records in the RMAN virtual private catalog？（）
    A

     Issue the grant command from the SYS user （or equivalent） of the target database.

    B

     Issue the grant command from the SYS user （or equivalent） of the recovery-catalog database.

    C

     Issue the grant command from the recovery catalog-owning schema user account in the recovery catalog.

    D

     Issue the grant command from RMAN when connected to the recovery catalog-owning schema.

    E

     Issue the grant command from RMAN when connected to the target database.


    正确答案： B
    解析： 暂无解析

  • 第9题：

    单选题
    You have control-file autobackups enabled. When starting your database from SQL*Plus， you receive the following error message：   SQL> startup ORA-01078： failure in processing system parameters LRM-00109：  could not open parameter file ，  C:///ORACLE/PRODUCT/11.1.0/DB_1/DATABASE/INITORCL.ORA Using RMAN，   how would you respond to this error？（）
    A

     Issue the startup nomount command and then issue the restore parameter file command from the RMAN prompt.

    B

     Issue the startup nomount command and then issue the restore spfile command from the RMAN prompt.

    C

     Issue the startup nomount command and then issue the restore spfile from autobackup command from the RMAN prompt.

    D

     Issue the startup nomount command and then issue the restore spfile from backup command from the RMAN prompt.

    E

     Issue the restore spfile from autobackup command from the RMAN prompt.


    正确答案： A
    解析： 暂无解析

  • 第10题：

    单选题
    In what order would you execute the following steps to create a recovery catalog？（） a.Issue the create catalog command.  b.Create the recovery-catalog database.  c.Create the recovery-catalog user.  d.Grant the recovery_catalog_owner privilege to the recovery-catalog user.  e.Issue the register database command from the target database.
    A

    a，b，c，d，e

    B

    b，a，d，c，e

    C

    b，c，d，a，e

    D

    b，c，d，e，a

    E

    b，d，c，a，e


    正确答案： C
    解析： 暂无解析

  • 第11题：

    单选题
    You execute the following command in your Certkiller .com production database to change the width of the CUST_NAME column of the CUSTOMERS table： ALTER TABLE customers  MODIFY （cust_nameVARCHAR2 （40）） /  When you execute the command， it displays the following error message：  ERROR at line 1：  ORA-00054： resource busy and acquire with NOWAIT specified  What could be the reason for the error message？（）
    A

    The database instance is not available.

    B

    The ALTER TABLE command does not have WAIT option

    C

    The table or a row in the table is currently locked by another user session.

    D

    The database instance is busy processing other user sessions commands.

    E

    The CUSTOMERS table has no long running query active at the time when this request is made.

    F

    The server process executing the ALTER TABLE command is busy with another command execution


    正确答案： C
    解析： 暂无解析

  • 第12题：

    多选题
    Your database is running in the ARCHIVELOG mode. You have configured RMAN for backup and recovery operations. You execute the following command from the RMAN prompt：   RMAN> CONFIGURE CONTROLFILE AUTOBACKUP ON；   After executing this command， in which of the following cases will RMAN make an auto-backup of the control file？ （）
    A

    when you change the name of a datafile

    B

    when you drop a table from the database

    C

    when you take an export of the database

    D

    when you back up the database using OS utilities

    E

    when you issue an ALTER SYSTEM SWITCH LOGFILE statement

    F

    when you issue a BACKUP command from inside the RMAN run block


    正确答案： C,B
    解析： 暂无解析

  • 第13题：

    A user requests access to a new file share.The administrator adds the user to the group with the appropriate access.The user is still unable to access the share.Which of the following actions should the administrator do to resolve the permissions issue？（）

    • A、Request the user to logoff and log back on.
    • B、Add the user as an administrator on their local machine.
    • C、Add the user as an administrator on the server.
    • D、Run an ipconfig /renew on the user’s machine.

    正确答案:A

  • 第14题：

    At which command prompt would you issue the set date command?（）

    • A、[edit chassis]   user@router#
    • B、[edit]   user@router#
    • C、[edit system]   user@router#
    • D、user@router>

    正确答案:D

  • 第15题：

    Which of the following local files is used to run the date command on the remote machine "Earth" using the following rexec command without request for a password？ rexec Earth date（）。

    • A、~/ .rhosts
    • B、$HOME/.netrc
    • C、/etc/hosts.equiv
    • D、/etc/security/user

    正确答案:B

  • 第16题：

    How would you grant the RVPC user access to specific RMAN database records in the RMAN virtual private catalog？（）  

    • A、 Issue the grant command from the SYS user （or equivalent） of the target database.
    • B、 Issue the grant command from the SYS user （or equivalent） of the recovery-catalog database.
    • C、 Issue the grant command from the recovery catalog-owning schema user account in the recovery catalog.
    • D、 Issue the grant command from RMAN when connected to the recovery catalog-owning schema.
    • E、 Issue the grant command from RMAN when connected to the target database.

    正确答案:D

  • 第17题：

    You are maintaining the PROD database for NetFx Corporation. You have configured controlfile autobackup in your database. At 6：00 P.M. on Monday， you issue the following command：       RMAN>BACKUP DATABASE；  At 8：00 A.M. on Tuesday， you are unable to start the database because all the control files are missing. You decide to restore the control files from the backup by using the RMAN> RESTORE CONTROLFILE FROM AUTOBACKUP； command. Which operation should you perform before using the RMAN> RESTORE CONTROLFILE FROM AUTOBACKUP； command？（）

    • A、 Start the database in the MOUNT stage.
    • B、 Back up the control file to trace.
    • C、 Set the DBID
    • D、 Issue the RECOVER DATABASE command.

    正确答案:C

  • 第18题：

    The user cannot access some Internet websites, but can connect to resources inside the local network. The technician successfully uses the ping command to test the user’s connectivity. Which of the following commands can the technician run NEXT to troubleshoot the issue?（）

    • A、net /?
    • B、ipconfig /flushdns
    • C、netstat -r
    • D、nbtstat -R

    正确答案:B

  • 第19题：

    单选题
    Which of the following local files is used to run the date command on the remote machine "Earth" using the following rexec command without request for a password？ rexec Earth date（）。
    A

    ~/ .rhosts

    B

    $HOME/.netrc

    C

    /etc/hosts.equiv

    D

    /etc/security/user


    正确答案： A
    解析： 暂无解析

  • 第20题：

    单选题
    Your multitenant container database (CDB) contains a pluggable database, HR_PDB. The default permanent tablespace in HR_PDB is USERDATA. The container database (CDB) is open and you connect RMAN. You want to issue the following RMAN command: RMAN > BACKUP TABLESPACE hr_pdb:userdata; Which task should you perform before issuing the command?（）
    A

    Place the root container in ARHCHIVELOG mode.

    B

    Take the user data tablespace offline.

    C

    Place the root container in the nomount stage.

    D

    Ensure that HR_PDB is open.


    正确答案： A
    解析： 暂无解析

  • 第21题：

    单选题
    Examine the RMAN command： SWITCH DATAFILE ’/DISK3/user_data01.dbf’； Which command do you need to issue before you issue the above command， so that RMAN finds the file in the restored location of ’DISK2/user_data01.dbf’？ （）
    A

    RESTORE DATAFILE ’/DISK2/user_data01.dbf’

    B

    RESTORE DATAFILE ’/DISK3/user_data01.dbf’

    C

    SET NEWNAME FOR ’/DISK3/user_data01.dbf’ TO’/DISK2/user_data01.dbf’

    D

    SET NEWNAME FOR ’/DISK2/user_data01.dbf’ TO’/DISK3/user_data01.dbf’


    正确答案： D
    解析： 暂无解析

  • 第22题：

    多选题
    A user is successfully authenticating to the network but is unable to access protected resources behind a ScreenOS enforcer. You log in to the ScreenOS enforcer and issue the command get auth table infranet and you do not see the user listed.Which two event log settings on the Junos Pulse Access Control Service must you enable to troubleshootthis issue?（）
    A

    Connection Requests

    B

    System Errors

    C

    Enforcer Events

    D

    Enforcer Command Trace


    正确答案： B,A
    解析： 暂无解析

  • 第23题：

    单选题
    At which command prompt would you issue the set date command?（）
    A

    [edit chassis]   user@router#

    B

    [edit]   user@router#

    C

    [edit system]   user@router#

    D

    user@router>


    正确答案： B
    解析： 暂无解析

  • 第24题：

    单选题
    In configuration mode you see the following prompt： [edit interfaces fe-1/1/1] user@router#  Which command will take you to operational mode？（）
    A

    end

    B

    exit

    C

    quit

    D

    exit configuration-mode


    正确答案： C
    解析： 暂无解析

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