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In Recovery Manager (RMAN), you are taking image copies of the datafiles of your production database and rolling them forward as regular intervals. You attempt to restart your database instance after a regular maintenance task, you realize that one of the data files that belongs to the USERS tablespace is damaged and you need to recover the datafile by using the image copy. You could perform the following steps to accomplish this:  
1) Mount the database 
2) Take the data file offline 
3) Bring the data file online 
4) Use the RMAN SWITCH TO command to switch the image copy 
5) Apply the archived redo logs 
6) Open the database 
7) Use the RMAN RESTORE TO command to switch to the image copy  
Which two options illustrate the correct sequence of steps that you could follow?()

A .  2, 6, 4, 5, 3
B .  1, 2, 4, 5, 3, 6
C .  1, 2, 4, 6, 3
D .  1, 2, 7, 5, 3, 6

Which of the following commands should an AIX system administrator invoke to check if the required device-dependent software is missing?() dbx。 cfgmgr。 telinit q。 lsdev -Cc adapter。 An administrator is installing a C compiler on a system. According to the compiler’s documentation, the AIX fileset bos.adt.libm must be installed prior to the installation of the compiler.  Which of the following commands would verify installation of the prerequisite fileset() installp。 instfix。 Ippchk。 Isl。 Which command will show all interfaces and their IP addresses on an AIX system?() entstat -d。 netstat -a。 ipconfig -l。 ifconfig -a。 Which of the following commands will list vital product data for all hardware components on a server?() lsdev -C。 lsslot -a。 lscfg -vp。 lsattr -El。 Companycom has been performing scheduled backups of their data to tape using "tar" in a script for over one year with no problems. Recently, the tar command is returning a non zero return code during the backup phase, causing the script to fail. What is the primary cause of this problem?() The files have grown to over eight gigabytes in size。 The file systems are corrupt, and fsck should be run。 The tape block size has been changed from the default。 The user’s limit has been changed to less than eight gigabyte。

In Recovery Manager (RMAN), you are taking image copies of the datafiles of your production database and rolling them forward as regular intervals. You attempt to restart your database instance after a regular maintenance task, you realize that one of the data files that belongs to the USERS tablespace is damaged and you need to recover the datafile by using the image copy. You could perform the following steps to accomplish this:  
1) Mount the database 
2) Take the data file offline 
3) Bring the data file online 
4) Use the RMAN SWITCH TO command to switch the image copy 
5) Apply the archived redo logs 
6) Open the database 
7) Use the RMAN RESTORE TO command to switch to the image copy  
Which two options illustrate the correct sequence of steps that you could follow?()

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