单选题What is the correct order of steps to perform an online database backup？（） a. alter database begin backup b. alter database end backup c. Back up the database datafiles d. Back up the archive log files e. alter system switch logfileA a， b， c， d， eB e， d， a， b， cC a， c， b， d， eD d， b， c， a， eE a， c， b， e， d

考题 You are the administrator of a SQL Server 2000 computer. The server contains your company's order processing database. Two-hundred operators take orders by telephone 24 hours a day. Threehundred data entry personnel enter data from orders received by mail.To ensure that order data will not be lost, your company's disaster recovery policy requires that backups be written to tape. Copies of these tapes must be stored at an off-site company location. Orders must be entered into the database before they can be filled. If the server fails, you must be able to recover the order data as quickly as possible.You need to create a backup strategy that meets the company requirements and minimizes server workload. Which two actions should you take? (Each correct answer represents part of the solution. Choose two.)A．Perform. a combination of full database and filegroup backups.B．Perform. a combination of full database and file backups.C．Perform. a combination of full database, differential, and transaction log backups.D．Back up the data to a local tape drive.E．Back up the data to a network share, and then use enterprise backup software to write the disk backups to tape.

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考题 Network equipment supporting the use of flow control mechanisms has been recently installed. What is the purpose of flow control in a data network?() A. It ensures that data is retransmitted if an acknowledgment is not received.B. It reassembles segments in the correct order on the destination device.C. It provides a mechanism for the receiver to control the transmission speed.D. It regulates the size of each datagram segment.E. All of the above are functions of flow control

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考题 What are the four steps， in their correct order， to mitigate a worm attack？（）A、contain，inoculate，quarantine，and treatB、inoculate，contain，quarantine，and treatC、quarantine，contain，inoculate，and treatD、preparation，identification，traceback，and postmortemE、preparation，classification，reaction，and treatF、identification，inoculation，postmortem，and reaction

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考题 You work as a database administrator for Supportcenter.cn. One of the user sessions was terminated abnormally in the middle of a transaction. What does Oracle database do to recover it？（）A、Uses undo data for roll forwardB、Uses Flashback Log for recoveryC、Uses online redo logs to roll backD、Uses undo data to roll back the transactionE、Uses Recovery Manager （RMAN） to roll backF、Uses the System Monitor （SMON） background process to perform instance recovery

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考题 Consider the recovery steps in each of the cases given below： Case 1： Shut down the database and perform a backup. Restore all the data files. Mount the database. Recover the database. Without applying all the redo log files， open the database using the RESETLOGS option. Back up the database. Case 2： Shut down the database and perform a backup. Restore only the data files of the tablespace where user error damaged the data. Mount the database. Recover the database. Open the database with the RESETLOGS option. Back up the database. Case 3： Shut down the database Restore the data files Open the database Perform recovery to the current point in time. Which case has the correct steps for an incomplete recovery？（）A、only case 1B、only case 2C、only case 3D、case 1 and 2E、case 2 and 3F、case 1 and 3G、all cases： case 1， case 2 and case 3

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考题 Network equipment supporting the use of flow control mechanisms has been recently installed. What is the purpose of flow control in a data network?（）A、It ensures that data is retransmitted if an acknowledgment is not received.B、It reassembles segments in the correct order on the destination device.C、It provides a mechanism for the receiver to control the transmission speed.D、It regulates the size of each datagram segment.E、All of the above are functions of flow control

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考题 While performing LVM maintenance， the volume group datavg1 was exported and re-imported. The volume group is varied online， and the filesystems have been mounted. However， the database will not start. What action would most likely resolve this problem？（） A、 Perform a shown command on the VG device files.B、 Perform a syncvg to validate VG integrity.C、 Perform a redfinevg to correct the VGDA state.D、 Perform a synchlvodm to correct the LV ownership.

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考题 You are using RMAN to perform a closed database backup of your database. You issue these RMAN commands： STARTUP MOUNT； BACKUP FORMAT ’/BACKUP/df_%d_%s_%p.bus’ DATABASE filesperset = 2； Which components are included in the backup？（）A、Only the data files.B、Only the data files and the online logs.C、The data files， control files， and the online logs.D、The data files and control files， but not the online logs.

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考题 You are working in an online transaction processing （OLTP） environment. You realize that the salary for an employee， John， has been accidentally modified in the EMPLOYEES table. Two days ago， the data was in the correct state. Flashback logs generated during last two days are available in the flash recovery area. Which option would you choose to bring the data to the correct state while ensuring that no other data in the same table is affected？（）A、perform point-in-time recoveryB、perform a Flashback Table operation to restore the table to the state it was in two days agoC、perform a Flashback Database operation to restore the database to the state it was in two days agoD、perform Flashback Versions Query and Flashback Transaction Query to determine all the necessary undo SQL statements， and then use them for recovery

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考题 One of the user sessions was terminated abnormally in the middle of a transaction. What does Oracle database do to recover it？（）A、uses undo data for roll forwardB、uses Flashback Log for recoveryC、uses online redo logs to roll backD、uses undo data to roll back the transactionE、uses Recovery Manager （RMAN） to roll backF、uses the System Monitor （SMON） background process to perform instance recovery

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考题 Which files must be synchronized in order for a database to start？（）A、temp filesB、online data filesC、offline data filesD、read only data files

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考题 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， 3B、 1， 2， 4， 5， 3， 6C、 1， 2， 4， 6， 3D、 1， 2， 7， 5， 3， 6

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考题 There is a problem with one of the disks used for your database and your system administrator informs you that the disk needs to be replaced. The replacement disk will not be available until tomorrow. There was only one data file on this disk； it belongs to the USERS tablespace in your PROD database. Your PROD database runs in ARCHIVELOG mode and nightly online backups are taken. The users need to be able to access the data in the USERS tablespace before the replacement disk arrives. You have already taken the USERS tablespace offline and have restored the data file from last night’s backup to a new disk. Which additional steps are required in order to make the USERS tablespace available？（）A、Only bring the tablespace back online.B、Only recover the tablespace and then bring the tablespace back online.C、Shut down the database， recover the data file and then start up the database.D、Issue the ALTER DATABASE RENAME FILE command， recover the tablespace， and then bring the tablespace online.E、Recover the tablespace， issue the ALTER DATABASE RENAME FILE command， and then bring the tablespace online.

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考题多选题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?（） (Choose two.)A2, 6, 4, 5, 3B1, 2, 4, 5, 3, 6C1, 2, 4, 6, 3D1, 2, 7, 5, 3, 6

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考题单选题There is a problem with one of the disks used for your database and your system administrator informs you that the disk needs to be replaced. The replacement disk will not be available until tomorrow. There was only one data file on this disk； it belongs to the USERS tablespace in your PROD database. Your PROD database runs in ARCHIVELOG mode and nightly online backups are taken. The users need to be able to access the data in the USERS tablespace before the replacement disk arrives. You have already taken the USERS tablespace offline and have restored the data file from last night’s backup to a new disk. Which additional steps are required in order to make the USERS tablespace available？（）A Only bring the tablespace back online.B Only recover the tablespace and then bring the tablespace back online.C Shut down the database， recover the data file and then start up the database.D Issue the ALTER DATABASE RENAME FILE command， recover the tablespace， and then bring the tablespace online.E Recover the tablespace， issue the ALTER DATABASE RENAME FILE command， and then bring the tablespace online.

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考题单选题You work as a database administrator for Certkiller .com. One of the user sessions was terminated abnormally in the middle of a transaction. What does Oracle database do to recover it？（）A Uses undo data for roll forwardB Uses Flashback Log for recoveryC Uses online redo logs to roll backD Uses undo data to roll back the transactionE Uses Recovery Manager （RMAN） to roll backF Uses the System Monitor （SMON） background process to perform instance recovery

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考题单选题You are using RMAN to perform a closed database backup of your database. You issue these RMAN commands： STARTUP MOUNT； BACKUP FORMAT ’/BACKUP/df_%d_%s_%p.bus’ DATABASE filesperset = 2； Which components are included in the backup？（）A Only the data files.B Only the data files and the online logs.C The data files， control files， and the online logs.D The data files and control files， but not the online logs.

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考题单选题What are the four steps， in their correct order， to mitigate a worm attack？（）A contain，inoculate，quarantine，and treatB inoculate，contain，quarantine，and treatC quarantine，contain，inoculate，and treatD preparation，identification，traceback，and postmortemE preparation，classification，reaction，and treatF identification，inoculation，postmortem，and reaction

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考题单选题While performing LVM maintenance， the volume group datavg1 was exported and re-imported. The volume group is varied online， and the filesystems have been mounted. However， the database will not start. What action would most likely resolve this problem？（）A Perform a shown command on the VG device files.B Perform a syncvg to validate VG integrity.C Perform a redfinevg to correct the VGDA state.D Perform a synchlvodm to correct the LV ownership.

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考题单选题You work as a database administrator at Certkiller .com. You are working in an online transaction processing （OLTP） environment. You realize that the salary for an employee， John， has been accidentally modified in the EMPLOYEEStable. Two days ago， the data was in the correct state. Flashback logs generated during last two days are available in the flash recovery area. Which option would you choose to bring the data to the correct state while ensuring that no other data in the same table is affected？（）A perform point-in-time recoveryB perform a Flashback Table operation to restore the table to the state it was in two days agoC perform a Flashback Database operation to restore the database to the state it was in two days agoD perform Flashback Versions Query and Flashback Transaction Query to determine all the necessary undo SQL statements， and then use them for recovery

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考题单选题Your production database is running in archivelog mode and you are using recovery manager （RMAN） with recovery catalog to perform the database backup at regular intervals. When you attempt to restart the database instance after a regular maintenance task on Sunday， the database fails to open displaying the message that the data file belonging to the users tablespace are corrupted. The steps to recover the damaged data files are follows： 1. Mount the database 2. Open the database 3. Recover the data file 4. Restore the data file 5. Make the data file offline 6. Make the data file online Which option identifies the correct sequence that you must use to recover the data files？（）A 2，4，3B 1，4，3，2C 2，5，4，3，6D 5，2，4，3，6E 1，5，4，3，6，2

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考题单选题One of the user sessions was terminated abnormally in the middle of a transaction. What does Oracle database do to recover it？（）A uses undo data for roll forwardB uses Flashback Log for recoveryC uses online redo logs to roll backD uses undo data to roll back the transactionE uses Recovery Manager （RMAN） to roll backF uses the System Monitor （SMON） background process to perform instance recovery

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考题单选题What is the correct order of steps for upgrading a cisco wcs？（）A back up the database， stop the wcs， upgrade the wcs， restore the database， start the wcs B stop the wcs， back up the database， upgrade the wcs， restore the database， start the wcsC back up the database， stop the wcs， upgrade the wcs， start the wcs， restore the database D stop the wcs， back up the database， upgrade the wcs， start the wcs， restore the database

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考题单选题Consider the recovery steps in each of the cases given below： Case 1： Shut down the database and perform a backup. Restore all the data files. Mount the database. Recover the database. Without applying all the redo log files， open the database using the RESETLOGS option. Back up the database. Case 2： Shut down the database and perform a backup. Restore only the data files of the tablespace where user error damaged the data. Mount the database. Recover the database. Open the database with the RESETLOGS option. Back up the database. Case 3： Shut down the database Restore the data files Open the database Perform recovery to the current point in time. Which case has the correct steps for an incomplete recovery？（）A only case 1B only case 2C only case 3D case 1 and 2E case 2 and 3F case 1 and 3G all cases： case 1， case 2 and case 3

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考题多选题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？（）A2， 6， 4， 5， 3B1， 2， 4， 5， 3， 6C1， 2， 4， 6， 3D1， 2， 7， 5， 3， 6

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考题单选题Network equipment supporting the use of flow control mechanisms has been recently installed. What is the purpose of flow control in a data network?（）A It ensures that data is retransmitted if an acknowledgment is not received.B It reassembles segments in the correct order on the destination device.C It provides a mechanism for the receiver to control the transmission speed.D It regulates the size of each datagram segment.E All of the above are functions of flow control

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考题单选题What is the correct order of steps to perform an online database backup？（） a. alter database begin backup b. alter database end backup c. Back up the database datafiles d. Back up the archive log files e. alter system switch logfileA a， b， c， d， eB e， d， a， b， cC a， c， b， d， eD d， b， c， a， eE a， c， b， e， d

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