正确答案: D

Ensure that write caching disk controllers have battery backups.

题目：You are the database administrator of a SQL Server 2000 computer. The server contains your company's Accounts database. Hundreds of users access the database each day.Because you have had power interruptions in the past, you want to perfect the physical integrity of the Accounts database. You do not want to slow down server operations.

解析：解析：Explanation:Thescenariostatesthatpowerinterruptionshaveoccurredinthepast.Bybuyingabatterybackupsolutionforthediskcontrollersthepowerinterruptionproblemwouldbeprevented.IncorrectAnswers:A:Tornpagedetectionisareactivesolutionwhichwouldslowdownperformancesincerestoreswouldhavetobemade.Itwouldbettertouseapreventivesolution.Note:Tornpagedetection:Ifatornpageisdetected,thedatabasemustberestoredfrombackupbecauseitwillbephysicallyinconsistent.B:Cachingisveryimportforperformance.Disablingwrite-cachingwouldbeabadidea.D:Repairingthedatabaseeverynightisnotagoodsolution.Databaseerrorscannotbeaccepted.Itisbettertopreventtheprobleminsteadoftryingtofixitafterithashappened.

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学习资料的答案和解析：

[单选题]You want to upgrade 150 computers from Windows NT Workstation 4.0 to Windows 2000 Professional.You create an Unattend.txt file by using Setup Manager. You copy the file to a floppy disk.

Rename Unattend.txt on the floppy disk to Winnt.sif.

解析：解析：Explanation: When booting the computer from the CD-ROM, and then using an answer file from a floppy disk, the answer file must be named Winnt.sif.

[多选题]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.

Perform. a combination of full database, differential, and transaction log backups.

Back up the data to a network share, and then use enterprise backup software to write the disk backups to tape.

解析：解析：Explanation: