The ‘lsvg -o’ command is run with an output of only rootvg， but the server has another volume group named datavg， which is not displayed. What is the likely cause？（）

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  A . The LPs represent a section of logical storage that can be mapped to multiple PPs. B . The PPs represent the mapping to the physical disk. There will always be either equal or fewer PPs than LPs. C . The LPs represent a section of logical storage that is mapped to a PP that spans over multiple physical disks. D . The LP represents a section of logical storage. This is mirrored on the filesystem level which creates a greater number of PPs.

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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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• In the Cisco IOS, what is the definition of a global command?（）

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• What is the purpose of the catalog command？（）  

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• The third officer’s duty is to（）when vessel is commanded under the pilot or captain.

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• What is the effect of using the service password-encryption command?（）

  A . only passwords configured after the command has been entered will be encrypted B . Only the enable password will be encrypted C . Only the enable secret password will be encrypted D . It will encrypt the secret password and remove the enable secret password from the configuration E . It will encrypt all current and future passwords.

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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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• What is the purpose of the until change option of the restore command？（）  

  A .  It allows you to select the SCN that you want to restore to. B .  It allows you to select the log sequence number you want to restore to. C .  It allows you to select the timestamp you want to restore to. D .  It allows you to manually stop the restore at any time as online redo logs are applied. E .  None of the above.

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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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• Examine the command： SQL> ALTER USER skd ACCOUNT LOCK； Which two statements are true after the command is executed（）

  A . The SKD user cannot log in to the database instance. B . The objects owned by the SKD user are not accessible to any user. C . The other users can access the objects owned by the SKD user， on which they have access. D . The password for the SKD user expires and the user is forced to change the password at the next log in.

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

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

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• A user reports that they cannot cd to /tmp/application. A system administrator entered the following command：   （1）ls -ld /tmp/application   （2）drw-r--r-- 4 root system 512 Jan 15 14：09 application   What is the most likely cause of the problem？（）

  A . The /tmp/application should be globally writable. B . The /tmp/application directory should be executable. C . The /tmp/application directory should be owned by the user. D . The /tmp/application directory should have the sticky bit set.

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• What is the default configuration file used by the sendmail command?（）

  A . /etc/rc/rc.mail B . /etc/mail.config C . /etc/sendmail.config D . /etc/mail/sendmail.cf

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• Examine the command： SQL> ALTER USER skd ACCOUNT LOCK； Which two statements are true after the command is executed（）

  A . The SKD user cannot log in to the database instance. B . The objects owned by the SKD user are not accessible to any user. C . The other users can access the objects owned by the SKD user， on which they have access. D . The password for the SKD user expires and the user is forced to change the password at the next log i

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• The df command indicates that a filesystem is full， however， the du command indicates that not all space is allocated.  How would the system administrator isolate the discrepancy（）

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

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• What is the implication of this command?（）

  A . The command produces an error because the retention time cannot be reduced.  B . All historical data is retained but the subsequent flashback data archives are maintained for only three years.  C . All historical data is purged and the new flashback data archives are maintained for three years.  D . All historical data older than three years is purged from the flashback archive FLA1.&e

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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？（）  

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• What is the purpose of the recover command？（） 

  A .  Recover database datafiles from physical disk backup sets. B .  Recover required incremental backups from physical disk backup sets. C .  Recover required archived redo logs from physical disk backup sets. D .  Apply incremental backups to recover the database.  E .  Apply archived redo logs to recover the database.

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• Router R1 lists 4 routes for subnet 10.1.1.0/24 in the output of the show ip eigrp topology all - links command. The variance 200 command is configured, but no other related commands are configured. Which of the following rules are true regarding R1‘s decision of what r outes to add to the IP routing table？Note that RD refers to reported distance and FD to feasible distanc E.（）

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