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GSLC · Question #208

GSLC Question #208: Real Exam Question with Answer & Explanation

The correct answer is A. Move the log files to a separate physical disk other than the one used in RAID-5 or used by the C. Move the NTDS.DIT file to the RAID-5 array.. To maximize Active Directory database performance, best practice is to place the NTDS.DIT file on the RAID-5 array for read throughput and move transaction logs to a separate physical disk to isolate sequential write I/O.

Question

You work as a Network Administrator for Net Perfect Inc. The company has a Windows Server 2008 network environment. The network is configured as a Windows Active Directory-based single forest network. You have recently added three new SCSI hard disk drives to a domain controller that already has two physical disk drives. The new SCSI disk drives are configured in a RAID-5 array. You are required to enhance the performance of the Active Directory database on the domain controller. Which of the following steps will you take to accomplish the task? Each correct answer represents a part of the solution. Choose two.

Options

  • AMove the log files to a separate physical disk other than the one used in RAID-5 or used by the
  • BMove the log files to the RAID-5 array.
  • CMove the NTDS.DIT file to the RAID-5 array.
  • DMove the NTDS.DIT file to a disk other than the one used in RAID-5 or used by the operating system.

Explanation

To maximize Active Directory database performance, best practice is to place the NTDS.DIT file on the RAID-5 array for read throughput and move transaction logs to a separate physical disk to isolate sequential write I/O.

Common mistakes.

  • B. Placing log files on the same RAID-5 array as the database creates I/O contention between sequential log writes and random database reads, defeating the purpose of having separate storage for each.
  • D. Moving NTDS.DIT away from the RAID-5 array to a plain disk would forfeit both the read-performance advantage and the redundancy that RAID-5 provides for the database file.

Concept tested. Active Directory NTDS.DIT and log file placement for performance

Reference. https://learn.microsoft.com/en-us/troubleshoot/windows-server/identity/move-active-directory-database-log-files

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