[单项选择]Which statement about using RMAN stored scripts is true?（）
A. To create and execute an RMAN stored script, you must use a recovery catalog.
B. When executing a stored script and a command fails, the remainder of the script is executed, and a message is written to the alert log file.
C. RMAN stored scripts can always be executed against any target database that is registered in the recovery catalog.
D. When you execute a stored script, it always executes using the persistent channel settings previously set with the CONFIGURE command.

[单项选择]Which statement about using RMAN stored scripts is true?（）
A. To create and execute an RMAN stored script, you must use a recovery catalog.
B. When executing a stored script and a command fails, the remainder of the script is executed, and a message is written to the alert log file.
C. RMAN stored scripts can always be executed against any target database that is registered in the recovery catalog.
D. When you execute a stored script, it always executes using the persistent channel settings previously set with the CONFIGURE command.

[多项选择]Which two statements are true about the RMAN validate database command?（）
A. It checks the database for intrablock corruptions.
B. It can detect corrupt pfiles.
C. It can detect corrupt spfiles.
D. It checks the database for interblock corruptions.
E. It can detect corrupt block change tracking files.

[多项选择]Which two statements about using the CHAP authentication mechanism in a PPP link are true?（）
A. CHAP uses a two-way handshake
B. CHAP authentication periodically occurs after link establishment
C. CHAP has no protection from playback attacks
D. CHAP authentication is performed only upon link establishment
E. CHAP uses a three-way handshake
F. CHAP authentication passwords are sent in plaintext

[单项选择]Which statement is true about using Microsoft Windows Cluster as a platform for Mysql?（）
A. It implements High Availability by using the .NET Connector's' load balancing capabilities
B. It is shared-nothing architecture
C. It is provided by means of IP- level disk replication
D. It relies on the shared disk architecture being visible to both servers

[多项选择]Which three statements are true about using flashback database in a multitenant container database(CDB)?（）
A. The root container can be flashed back without flashing back the pluggable databases (PDBs).
B. To enable flashback database, the CDB must be mounted.
C. Individual PDBs can be flashed back without flashing back the entire cdb.
D. The DB_FLASHBACK RETENTION_TARGET parameter must be set to enable flashback of the cdb.
E. A CDB can be flashed back specifying the desired target point in time or an SCN, but not a restore point.

[多项选择]Which two statements are true about using IPv4 and IPv6 simultaneously on a network segment? （）
A. IPv6 allows a host to create its own IPv6 address that will allow it to communicate to other devices on a network configured via DHCP. IPv4 does not provide a similar capability for hosts.
B. IPv6 provides for more host IP addresses but IPv4 provides for more network addresses.
C. Hosts can be  configured to receive both IPv4 and IPv6 addresses via DHCP.
D. Host configuration options for IPv4 can be either statically assigned or assigned via DHCP.Host configuration options for IPv6 can be statically assigned only.
E. IPv4 and IPv6 addresses c an be simultaneously assigned to a host but not to a router interface.

[单项选择] You are using Recovery Manager (RMAN) with a recovery catalog to back up your production database. Thebackups and the archived redo log files are copied to a tape drive on a daily basis. Because of media failure,you lost your production database completely along with the recovery catalog database.You want to recover the target database and make it functional. You consider performing the following steps to accomplish the task: 1) Restore an autobackup of the server parameter file. 2) Restore the control file 3) Start the target database instance 4) Mount the database 5) Restore the data files 6) Open the database with RESETLOGS option 7) Recover the data files 8) Set DBID for the target database Which option illustrates the correct sequence that you must use?（）
A. 8，1，3，2，4，5，7，6
B. 1，8，3，4，2，5，7，6
C. 1，3，4，2，8，5，6，7
D. 1，3，2，4，6，5，7，8

[多项选择]You are using Recovery Manager (RMAN) to perform backups. In which three situations would you perform a compressed backup?（）
A. You are backing up to tape and your tape device performs its own compression.
B. You are making image copies, and you have not enabled tablespace compression.
C. You are using disk-based backups and disk space in your Flash Recovery Area, or other disk-based backup destinations are limited.
D. You are performing your backups to some device over a network where reduced network bandwidth is more important than CPU usage.
E. You are using some archival backup media, such as CD or DVD, where reducing backup sizes saves  media costs and archival storage.

[单项选择] You are using recovery Manager (RMAN) with a recovery catalog to backup up your production database. The backups and the archived redo log files are copied to a tape drive on a daily basis. The database was open and transactions were recorded in the redo logs. Because of fire in the building you lost your servers having the production database and the recovery catalog database. The archive log files generated after the last backup are intact on one of the remote locations. While performing a disaster recovery of the production database what is the next step that you must perform after restoring the data files and applying archived redo logs?（）
A. Open the database in NORMAL mode
B. Open the database in read-only mode
C. Open the database in RESTRICTED mode
D. Open the database with the RESETLOGS option

[单项选择]User profiles in Windows 7 are stored in which of the following locations?（）
A. C:/User Profiles
B. C:/Documents and Settings/User Profiles
C. C:/Documents and Settings
D. C:/Users

[多项选择]Using the LIST command in Recovery Manager (RMAN), which two pieces of information in the RMANrepository can be listed?（） (Choose two.)
A. stored scripts in the recovery catalog.
B. backups that can be deleted from disk.
C. backup sets and image copies are obsolete.
D. backups that do not have the AVAILABLE status in the RMAN repository.

[单项选择]Which RMAN backup command is used to create the block-change tracking file？（）  
A.  alter database create block change tracking file
B.  alter database enable block change file
C.  alter database enable block change tracking using file ，/ora01/opt/ block_change_tracking.fil
D.  alter system enable block change tracking using file ’/ora01/opt/block_ change_tracking.fil’
E.  alter system block change tracking on

[单项选择]Which RMAN command is used to verify the status of a backup or copy， and also updates the repository when files have been deleted using operating system commands？（）
A. CHANGE
B. RESYNC
C. CATALOG
D. CROSSCHECK

[单项选择]Which RMAN command do you use to verify that the RMAN repository information is synchronized with the actual files that exist on disk？（）
A. LIST
B. CHANGE
C. CATALOG
D. CROSSCHECK