When performing an incomplete recovery of the whole database， what must be true about the data files that are restored？（）https://assets.asklib.com/images/image2/201808011106595682.jpg

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  A . Until SCN B . Until time C . Until cancel D . Recover using backup control file.

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• When youre performing active database duplication，a backup of what kind is required？（）  

  A .  A current RMAN backup-set backup is required. B .  No backup is required. C .  An RMAN image backup is required. D .  A manual backup is required. E .  A "duplicate" preparatory backup is required.

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• Which of the following LSA types describes topology information that, when changed, requires a router in the same area to perform an SPF calculation?（）https://assets.asklib.com/images/image2/2018073114185475818.png

  A . 1 B . 2 C . 3 D . 4 E . 5 F . 7

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• In which scenario will you perform an incomplete recovery？（）

  A .  when a table is dropped and stored in the Recycle Bin B .  when all the control files are deleted C .  when a member of a multiplexed redo log group is dropped D .  when you are required to recover a table to its previous state

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• You want to perform the database backup when user activity on your system is low, such as between 12:00 a.m. and 2:00 am. Which command terminates with an error if the backup is not complete at the end of the specified duration?（）

  A . RMAN> BACKUP DURATION 2:00 MINIMIZE LOAD DATABASE B . RMAN> BACKUP DURATION 2:00 PARTIAL FILESPERSET 1 DATABASE C . RMAN> BACKUP DURATION 2:00 PARTIAL MINIMIZE TIME DATABASE  D . RMAN> BACKUP AS COPY DURATION 2:00 PARTIAL MINIMIZE LOAD DATABASE

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• An RPC/encoded Web service experiences poor performance at high message volumes. What can a developer do to improve this performance？（）

  A .  Turn off marshalling B .  Use binary encoding C .  Use RPC/literal encoding D .  Use document/literal encoding E .  Redesign to use more granular messaging

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• An administrator wants to test the performance of an application at different memory sizes. What is the most effective way to perform the test and collect statistical information for each test?（）

  A . Run DLPAR to change the LPAR memory for each test. B . Run rmss command to simulate different memory for each test. C . Run chdev command to limit the system memory size for each test. D . Run chattr command to limit the system memory size for each test.

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• Which two operations can be performed on an external table（）

  A . Create a view on the table. B . Create an index on the table. C . Create a synonym on the table. D . Add a virtual column to the table. E . Update the table using the UPDATE statement. F . Delete rows in the table using the DELETE command

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• Why does performance degrade when many UPDATE， INSERT， or DELETE statements are issued on a tablethat has an associated Bitmap index（）

  A . The DML operations re-create the Bitmap index blocks. B . The Bitmap index is rebuilt automatically after a DML operation. C . The smallest amount of a bitmap that can be locked is a bitmap segment. D . Additional time is taken to remove NULL values from the Bitmap index after a DML operation.

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• You are the Database Administrator （DBA） of your company. You execute the following statement on an Oracle 10g instance：   SQL> ALTER SYSTEM SWITCH LOGFILE；   Which two tasks are performed when the statement is executed？ （）

  A .  The DBWn process writes to the datafile. B .  Changes in the background process are recorded. C .  The log file is updated with the current SCN number. D .  The System Change Number （SCN） is recorded in the control file. E .  The changes to the listener configuration in the listener.ora file are recorded.

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• When monitoring diesel engine performance, the most useful instrument to use is the （）

  A . dwell-tachometer B . exhaust gas pyrometer C . fuel flow rate mete D . exhaust gas analyzer

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• An administrator wants to test the performance of an application at different memory sizes.  What is the most effective way to perform the test and collect statistical information for each test？（）  

  A . Run DLPAR to change the LPAR memory for each test. B . Run rmss command to simulate different memory for each test. C . Run chdev command to limit the system memory size for each test. D . Run chattr command to limit the system memory size for each test.

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• you can perform an active database duplication when the database is in NOARCHIVELOG mode.（）

  A .  True B .  False

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• Which type of backup must be performed first with an incremental backup？（）

  A .  Level 1 B .  Level 0 C .  Level 2 D .  Level 3

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• Which two tasks can be performed when WLST is in OFFLINE mode?（）

  A . modifying the configuration of an online domain B . modifying the configuration of an offline domain C . viewing runtime performance data in ONLINE mode D . viewing runtime performance data in OFFLINE mode E . creating and extending domai

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• When performing an expert level pre-install Technical & Delivery Assessment (TDA), which team member has the responsibility for assigning, tracking and updating the completion of action items during the TDA process?（）

  A . The Delivery Leader B . The Opportunity Owner C . The Solution Designer D . The Subject Matter Expert

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• In the context of MPLS，what is the correct action to be performed when an aggregate label is received ？（）

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• an inverter performs the NOR operation

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• There is always excitement at the Olympic Games when an athlete breaks aprevious record of performance.

  A．beats B．destroys C．maintains D．defends

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• When will films and musical performances take place？

  A．On Friday B．On Saturday C．On Sunday D．On Monday

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• 听力原文：Ladies and gentlemen, I'm sorry to announce that tonight's concert will be delayed by an hour due to technical difficulties. The program will now begin at 7 p.m. We encourage you to visit the cafeteria in the basement, and our display of vintage photographs on the first floor. Please be sure to carry your passes with you when you leave the hall. You will need to show them at the entrance when you come back for the performance.

  What is the purpose of the announcement？ A．To introduce a main guest. B．To inform. listeners of a schedule change. C．To say that a special display has opened. D．To thank performers at a show.

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• Which does not need to be configured on ZXCTN6100 when performing basic configuration

  A．A.UNI interface configuratio B．B.Static MAC configuratio C．C.configuratio D．D.VLAN interface configuratio

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• there is always excitement at the olympic games when an athlete（breaks）a previous record of performance选择与括号部分意义最相近的词或短语）

  A．beats B．destroys C．maintains D．defends

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