[多项选择]Indentify two advantages of using recovery catalog instead of the control file of the database in RecoveryManager (RMAN).（）(Choose two.)
A. You can use RMAN stored scripts
B. Recovery is faster if data is stored in catalog in addition to the control file
C. You can store backup information of all registered databases in one place
D. Database backups are automatically deleted when they are older than the specified time period

[多项选择]Indentify two advantages of using recovery catalog instead of the control file of the database in Recovery Manager (RMAN)？（）
A. You can use RMAN stored scripts
B. Recovery is faster if data is stored in catalog in addition to the control file
C. You can store backup information of all registered databases in one place
D. Database backups are automatically deleted when they are older than the specified time period

[多项选择] You are using a recovery catalog to maintain Recovery Manager (RMAN) backup information for yourproduction database. You have registered your production database and are performing regular backups. Because of a new requirement you have added a few new tablespaces to your production database and youwant them to be included in backups.Identify two options for completing this task. （）(Choose two.)
A. Reregistering the target database in recovery catalog
B. Transporting the new tablespaces to the recovery catalog database
C. Syncronizing the recovery catalog with the target database control file
D. Performing a fresh backup of the target database to include the new data files in the catalog database

[多项选择]Indentify two advantages of using recovery catalog instead of the control file of the database in Recovery Manager （RMAN）.（）
A.  You can use RMAN stored scripts
B.  Recovery is faster if data is stored in catalog in addition to the control file
C.  You can store backup information of all registered databases in one place
D.  Database backups are automatically deleted when they are older than the specified time period

[多项选择]You use a recovery catalog for maintaining your database backups.You execute the following command:$rman TARGET / CATALOG rman / cat@catdbRMAN > BACKUP VALIDATE DATABASE ARCHIVELOG ALL;Which two statements are true?（）
A. Corrupted blocks, if any, are repaired.
B. Checks are performed for physical corruptions.
C. Checks are performed for logical corruptions.
D. Checks are performed to confirm whether all database files exist in correct locations
E. Backup sets containing both data files and archive logs are created.

[单项选择]What is the benefit of using two stranded barbed wire
A. Easier installation.
B. Improved rust-resistance.
C. Increased strength.
D. More rapid attachment of barbs.

[多项选择] You are using the flash recovery area (fast recovery area in 11g Release 2) to store backup related files in your database. After regular monitoring of space usage in the Mash recovery area. You realize that the flash recovery area is jetting filled up very fast and it is running out of space. Your database flash recovery area is low on space and you have no more room on disk. Proactively, which two options could you use to make more space available in the flash recovery？（）
A. Change the RMAN archived log deletion policy
B. Use the RMAN CROSSCHECK command to reclaim the archived log space
C. Change the RMAN retention policy to retain backups for a shorter period of time
D. Use OS command to move files from the flash recovery area to some other location

[单项选择] A technician who separated two departments using VLANs now discovers that the VLANs cannot communicate with each other. Which of the following does the technician need to enable communication between the VLANs?（）
A. Port spanning
B. VLAN concentrator
C. Firewall
D. Router

[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

[多项选择]Which two kinds of failures make the Data Recovery Advisor (DRA)generate a manual checklist? （）
A. failures because a data file is renamed by error
B. failures when no standby database is configured
C. failures that require no archive logs to be applied for recovery
D. failures due to loss of connectivity-for example, an unplugged disk cable

[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

[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.

[多项选择]Which two statements are true when using the configure exclusive CLI command?（）
A. Multiple users can enter configuration mode and have their own private configuration.
B. When a user commits, only the user's changes are committed.
C. A message indicates which other users are in configuration mode and what portion of the configuration they are editing.
D. Only a single user can edit the configuration.