Flashback is enabled for your multitenant container database （CDB), which contains two plu

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• What two are the prerequisites for enabling Flashback Database？（） 

  A .  The database must be in ARCHIVELOG mode B .  The database must be in MOUNT EXCLUSIVE mode C .  The database must be opened in RESTRICTED mode D .  The database instance must be started in the NOMOUNT state E .  The database instance must have the keep buffer pool defined

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• What is the least secure mode of enabling an IMAP server for Cisco Unity Express?（）

  A . SSL  B . VPN  C . Mixed  D . SMTP  E . HTTPS F . Non-SSL

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• You work as a database administrator for Certkiller .com. Your database is configured for automatic undo management. UNDO_RETENTION is set to 3 hours. You want to flash back a table that was created last year. How far back can the flashback query go？ （）

  A . 3 hours B . 6 months C . until last year D . until last commit E . until the point when the undotablespacewas refreshed F . until the database is shut down and the memory erased

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• You work as a database administrator for Certkiller .com. You enabled tracing while creating a listener to your database.  What additional information is available to you when you enable tracing？（）

  A . Information about each Oracle Net connection. B . Information about each entry in theLinstener.orafile C . Information about the changed done in the database D . Information about the different listeners in your system E . Information about all thenondatabasefiles required to operate the database

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• Which of the following Oracle features is enabled by setting a nonzero value for the MEMORY_TARGET initialization parameter？（）  

  A .  Automatic PGA Memory Management B .  Automatic SGA Memory Management C .  Automatic Shared Memory Management D .  Automatic Memory Management E .  Manual SGA Memory Management F .  None of the above

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• The Database Resource Manager is automatically enabled in the maintenance window that runs the Automated Maintenance Task. What is the reason for this？（）  

  A .  to prevent the creation of an excessive number of scheduler job classes B .  to allow the Automated Maintenance Tasks to use system resources without any restriction C .  to allow resource sharing only among the Automated Maintenance Tasks in the maintenance window D .  to prevent the Automated Maintenance Tasks from consuming excessive amounts of system resource

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• Which two are the prerequisites to enable Flashback Data Archive?（） (Choose two.)

  A . Database must be running in archivelog mode. B . Automatic undo management must be enabled. C . Undo retention guarantee must be enabled. D . The tablespace on which the Flashback Data Archive is created must be managed with Automatic Segment Space Management (ASSM).

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• You are working on an Oracle Database 10g database. You enabled the Flashback Database feature. Which two statements regarding flashback logs are true？ （）

  A .  Flashback logs are not archived. B .  Flashback logs are maintained in redo log files. C .  Flashback logs are maintained in the Flash Recovery Area. D .  Flashback logs are used to maintain Flashback Database related errors. E .  Flashback logs need to be cleared manually after you disable Flashback Database.

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• When is it appropriate to enable Link Fragmentation and Interleaving (LFI) on DSL connections for Teleworkers?（）

  A . uplink speed less than 768kbps B . supporting Voice-over-IP C . using PPPoE encapsulation D . using PPPoA encapsulation E . uplink speed greater than 768k

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• If a certificate authority trustpoint is not configured when enabling HTTPS and the remote HTTPS server requires client authentication，connections to the secure HTTP client will fail. Which command must be enabled for correct operation？（）

  A . ip http client secure-ciphersuite 3des-ede-cbc-sha B . ip https max-connections 10 C . ip http timeout-policy idle 30 life 120 requests 100 D . ip http client secure-trustpoint trustpoint-name

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• You enabled the flashback logging feature， but you have not specified the location of the flash recovery area. Which location would be used as the default location for the flash recovery area？（）

  A .  The location used for control files. B .  The location used for redo log files. C .  The location set by using $ORACLE_BASE D .  The location set by using $ORACLE_HOME E .  The location set by using CORE_DUMP_DEST F .  The location set by using BACKGROUND_DUMP_DEST

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• What two are the prerequisites for enabling Flashback Database?（） (Choose two)

  A . The database must be in ARCHIVELOG mode B . The database must be in MOUNT EXCLUSIVE mode C . The database must be opened in RESTRICTED mode D . The database instance must be started in the NOMOUNT state E . The database instance must have the keep buffer pool defined

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• You are maintaining the SALES database for an organization. You have enabled the Flashback Database feature and want to estimate the flashback space required for future operations.  Which view would you query to estimate the flashback space required？（）

  A .  V$DATABASE B .  V$FLASHBACK_DATABASE_STAT C .  V$FLASHBACK_DATABASE_LOG D .  V$RECOVERY_FILE_DEST

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• What are the prerequisites for enabling Flashback Database？ （）

  A .  The database must be started in the MOUNT EXCLUSIVE state. B .  The database must have multiplexed control files. C .  The database must be opened by using a text-based parameter file instead of a server parameter file （SPFILE）. D .  The database must be in ARCHIVELOG mode. E .  The database must be in the NOMOUNT state. F .  The database must be opened in RESTRICTED mode.

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• What is the default value for the ENABLED attribute of a job or program when it is created? （）

  A . TRUE B . FALSE C . There is no default. It must be defined at creation time. D . PENDING E . NULL

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• Your Oracle Database 10g is online when you execute the following statement：        SQL>ALTER TABLESPACE MY_TABLESPACE FLASHBACK OFF；   What is the result of executing this statement if the Flashback Database feature is already enabled in the database？（）

  A .  The database does not record flashback logs for MY_TABLESPACE B .  The tables residing in MY_TABLESPACE are not protected by the Recycle Bin. C .  All the tablespaces except MY_TABLESPACE can be recovered using Flashback Database feature. D .  None of the flashback technologies， such as Flashback Table， Flashback Transaction Query and Flashback Version Query can be used to recover individual rows within the objects from MY_TABLESPACE

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• The Database Resource Manager is automatically enabled in the maintenance window that runs the Automated Maintenance Task. What is the reason for this?（）

  A . to prevent the creation of an excessive number of scheduler job classes B . to allow the Automated Maintenance Tasks to use system resources without any restriction C . to allow resource sharing only among the Automated Maintenance Tasks in the maintenance window D . to prevent the Automated Maintenance Tasks from consuming excessive amounts of system resource

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• What is valid reason for a switch to deny port access to new devices when port security is enabled?（）

  A . The denied MAC addresses have already been learned or confgured on another secure interface in the same VLAN. B . The denied MAC address are statically configured on the port. C . The minimum MAC threshold has been reached. D . The absolute aging times for the denied MAC addresses have expired.

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• You enabled the flashback logging feature， but you have not specified the location of the flash recovery area.  Which location would be used as the default location for the flash recovery area？（）

  A . the location used for control files B . the location used for redo log files C . the location set by using $ORACLE_BASE D . the location set by using $ORACLE_HOME E . the location set by using CORE_DUMP_DEST F . the location set by using BACKGROUND_DUMP_DEST

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• You want to use the Flashback Transaction Query feature to identify all the changes made to your database within a specific time period. What is a prerequisite for using the Flashback Transaction Query feature？（）

  A .  You must use automatic undo management in the database. B .  You must configure OMF in your database. C .  You must configure ASM for storing the datafiles. D .  You must multiplex the online redo log file.

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• You enabled Flashback Data Archive on the INVENTORY table. Which DDL operation is supported on the table after enabling Flashback Data Archive？（）  

  A .  Drop the table. B .  Partition the table. C .  Truncate the table. D .  Add a column to the table. E .  Rename a column in the table.

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• You work as a database administrator for Supportcenter.cn. You enabled tracing while creating a listener to your database. What additional information is available to you when you enable tracing？（）

  A . Information about each Oracle Net connection. B . Information about each entry in theLinstener.orafile C . Information about the changed done in the database D . Information about the different listeners in your system E . Information about all thenondatabasefiles required to operate the database

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• Which two are the prerequisites to enable Flashback Data Archive？（）

  A .  Database must be running in archivelog mode. B .  Automatic undo management must be enabled. C .  Undo retention guarantee must be enabled. D .  The tablespace on which the Flashback Data Archive is created must be managed with Automatic Segment Space Management （ASSM）.

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• You want to configure the Flashback Database feature and retain flashback logs for three days. Presently the database is open and configured in ARCHIVELOG mode.The following steps must be performed in the correct sequence to do this:Choose the correct sequence.（）

  <img src='https://img2.soutiyun.com/shangxueba/ask/17133001-17136000/17133996/81fcc055aa2594a8ac7bbd62b7b620ac.jpg' /> A. 4, 1, 3, 2, 5 B. 4, 3, 1, 2, 5 C. 2, 4, 3, 5, 1 D. 4, 2, 5, 3, 1

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