The following command is issued on a Cisco Router： Router（configuration）#logging console warnings Which alerts will be seen on the console？（）

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• You issue the following command on the RMAN prompt. REPORT NEED BACKUP DAYS 5; Which statement is true about executing this command?（）

  A . It will display a list of files that need incremental backup B . It will display a list of files that need backup after five days C . It will display a list of files that were backed up in the last five days D . It will display a list of files that have not been backed up in the last five days E . It will apply the current retention policy to determine the files that need to be backed u

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• Examine the following command: SQL> ALTER TABLE booking SHRINK SPACE COMPACT; Which activity is performed when the preceding command is executed?（）

  A . The shrink operation touches every block in the BOOKING table B . The high-water mark (HWM) for the BOOKING table is shifted from its original position C . The progress of the shrink operation is saved in the bitmap blocks of the BOOKING table D . The data manipulation language (DML) triggers on the BOOKING table are executed because the shrink operation is internally handled by the INSERT/DELETE operatio

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• Which of the following commands is used to observe the current state of the routing table？（）

  A . route B . lsattr C . netstat D . ifconfig

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• You issue the following command on the RMAN prompt.   REPORT NEED BACKUP DAYS 5；   Which statement is true about executing this command？（）  

  A .  It will display a list of files that need incremental backup B .  It will display a list of files that need backup after five days C .  It will display a list of files that were backed up in the last five days D .  It will display a list of files that have not been backed up in the last five days E .  It will apply the current retention policy to determine the files that need to be backed u

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• You executed the following command in the Recovery Manager （RMAN）：   RMAN> REPORT NEED BACKUP days 3；   What is the output of this command？（）  

  A .  A list of files that require a backup within 3 days B .  A list of files requiring more than 3 days of archivelogs to apply C .  A list of files that RMAN recommends be backed up only once in every three days，based on low volatility D .  A list of files for which a backup as already been performed in the last three days and which is  required to be backed up again based on the high number of transactions performed on them

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• The following command is executed to create the baseline template: https://assets.asklib.com/images/image2/2018080210262165894.jpg Which statement is true about the effect of the above command?（）

  A . It creates a baseline template that never expires. B . It produces an error because no snapshot information is provided to create the baseline. C . It creates a baseline template that expires after the Automatic Workload Repository (AWR) retention period. D . It creates a repeating baseline template that repeats after the Automatic Workload Repository (AWR) retention period.

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• Examine the following command：   SQL> ALTER TABLE booking SHRINK SPACE COMPACT；   Which activity is performed when the preceding command is executed？（）

  A .  The shrink operation touches every block in the BOOKING table B .  The high-water mark （HWM） for the BOOKING table is shifted from its original position C .  The progress of the shrink operation is saved in the bitmap blocks of the BOOKING table D .  The data manipulation language （DML） triggers on the BOOKING table are executed because the shrink operation is internally handled by the INSERT/DELETE operatio

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• A backup is taken using the following command:tar -cvf abcdef.tar /usr/local/include/tcpd.h The operator is in the directory /usr/local/restores and runs the following command: tar -xvf abcdef.tar. Where will the file be restored?（）

  A . /usr/local/include/tcpd.h B . /usr/local/restores/tcpd.h C . /usr/local/restores/include/tcpd.h D . /usr/local/restores/usr/local/include/tcpd.h

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• Examine the following ALTER command: SQL> ALTER DISKGROUP dgroup1 UNDROP DISKS; What is the purpose of the command?（）

  A . It cancels all pending disk drops within the disk group. B . It restores disks that are being dropped as the result of a DROP DISKGROUP operation C . It mounts disks in the disk group for which the drop-disk operation has already been co pleted D . It restores all the dropped disks in the disk group for which the drop-disk operation has already been completed E . It adds previously dropped disks back into the disk grou

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• Which of the following is TRUE about the ping  -f command?（）

  A .  It is useful for diagnosing data dependent problems by filling the packet with the byte pattern following the "f" in the command line.  B .  It is useful for flooding from slow character based terminals since it only displays a dot "." for each packet sent in fast mode.  C .  It is useful for flooding from slow character based terminals since it only displays a dot "."       for each packet sent and a backspace on returned in fast mode.  D .  The command can only be run by root.

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• The man page for command shows the following syntax: The man page for command shows the following syntax: command [ -a -b ] Which of the following statements is true regarding this entry?（）

  A . Either the -a or flag -b may be used, but not both. B . If the flag -a is used then the flag -b also must be used. C . One of the -a or -b flags must be used, but not both at the same time. D . Both the flags may be used together, but neither are mandatory.

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• You executed the following command in the Recovery Manager (RMAN): RMAN> REPORT NEED BACKUP days 3; What is the output of this command?（）

  A . A list of files that require a backup within 3 days B . A list of files requiring more than 3 days of archivelogs to apply C . A list of files that RMAN recommends be backed up only once in every three days, based on low volatility D . A list of files for which a backup as already been performed in the last three days and which is required to be backed up again based on the high number of transactions performed on them

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• You issued the following RMAN command：  RMAN> CONFIGURE CONTROLFILE AUTOBACKUP ON；     What is NOT an impact of using the above command？（）

  A .  When a successful backup is recorded in the RMAN repository， then a backup of the current control file is performed. B .  When a structural change is made to the database， then a backup of the current control file is performed. C .  When a successful backup is performed in the RMAN repository， then a backup of the spfile is performed. D .  When a structural change is made to the database， then a backup of the alert log file will be performed.

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• Evaluate the following command: https://assets.asklib.com/images/image2/2018080210413383362.jpg Which statement is true regarding the above command?（）

  A . The LOB matically compressed. B . The LOB values are cached bvalues are autoy default in the buffer cache. C . The LOB values are automatically stored in encrypted mode. D . All LOB data that is identical in two or more rows in a LOB column share the same data blocks.

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• Which of the following statements is TRUE about the reorgvg command?（）

  A . No logical volumes wil be moved if write-verify is set to yes. B . No action will be performed if it cannot fulfill the allocation requirements. C . Physical partitions of a logical volume will be moved if the logical volume's relocatable flag is set to "no". D . Physical partitions will be moved as close as possible to the positions specified, if the allocation requirements cannot be fulfilled.

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• Which of the following commands should be used to monitor disk utilization during the time a system is experiencing a disk I/O performance problem？（）

  A .  istat B .  topas C .  vmstat D .  filemo

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• You issue the following command：   RMAN>CONFIGURE BACKUP OPTIMIZATION ON；   What is the result of this command on your backups？（）

  A .  An incremental backup strategy will be used automatically. B .  Read-only datafiles will not be backed up as long as backups of those files already exist and those backups meet established retention criteria. C .  RMAN will configure itself for maximum performance at the cost of CPU. D .  RMAN will configure itself for minimal OS/CPU impact at the cost of time to back up the database. E .  RMAN will automatically compress backups.

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• 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

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• Which of the following statements is TRUE concerning the po column of the vmstat command？（）

  A .  The sys is high when po is high. B .  The po represents the number of page steals. C .  The low values usually indicate insufficient paging space. D .  The low values usually indicate sufficient memory for the load.

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• You issued the following command to drop the PRODUCTS table: SQL> DROP TABLE products; What is the implication of this command?（）

  A . All data along with the table structure is deleted  B . The pending transaction in the session is committed  C . All indexes on the table will remain but they are invalidated  D . All views and synonyms will remain but they are invalidated  E . All data in the table are deleted but the table structure will remai

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• Examine the following ALTER command：   SQL> ALTER DISKGROUP dgroup1 UNDROP DISKS；   What is the purpose of the command？（）  

  A .  It cancels all pending disk drops within the disk group. B .  It restores disks that are being dropped as the result of a DROP DISKGROUP operation C .  It mounts disks in the disk group for which the drop-disk operation has already been co pleted D .  It restores all the dropped disks in the disk group for which the drop-disk operation has already been completed E .  It adds previously dropped disks back into the disk grou

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• Which of the following commands should be used to determine which disk of a system is experiencing a disk I/O performance problem？（）

  A .  filemon B .  istat C .  vmstat D .  iostat

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• Which of the following is the correct command to list the filesystems in datavg?（）

  A . lsvg -p datavg B . lsvg -l datavg C . lsvg -L datavg D . lsvg -o datavg

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• Examine the following ALTER command:SQL＞ ALTER DISKGROUP dgroup1 UNDROP DISKS;What is the purpose of the command？（）

  A. It cancels all pending disk drops within the disk group B. It restores disks that are being dropped as the result of a DROP DISKGROUP operation C. It mounts disks in the disk group for which the drop-disk operation has already been completed D. It restores all the dropped disks in the disk group for which the drop-disk operation has already been completed E. It adds previously dropped disks back into the disk group

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