Chat with AIExam 8: Designing High Availability and Business Continuity
___________________ are commonly used to achieve high availability.
(79) 
VerifiedFailover clusters
Explain how to perform an authoritative restore.
(77) VerifiedTo perform an authoritative restore, you would follow the same steps you use for a non-authoritative restore. However, after restoring Active Directory and before rebooting the server, you would use the NTDSUtil command to restore the deleted objects authoritatively and update the USNs. NTDSUtil is a shell command-line tool that includes the authoritative restore commands. After the objects are marked for authoritative restore, you can reboot the server normally.
When the domain controller replicates with other domain controllers, the objects marked with NTDSUtil will be considered the authority and will be replicated to other domain controllers.
Describe how an authoritative restore of a single record will be properly replicated to the remainder of the directory.
(79) VerifiedAn authoritative restore can mark a single object (such as the CEO's account), an entire OU, or the entire Active Directory database as authoritative. It does so by adding 100,000 to the USN of the restored item(s) for every day that has passed since the backup. When the restored DC is brought back online, it has a higher USN for the restored item(s) and is considered the newer or authoritative change.
The primary tool you'll use to create and configure NLB clusters is the ____.
(59) During normal operation, any changes, modifications, and deletions that occur on one domain controller are replicated to all other domain controllers in the same site in approximately ____.
(78) A(n) ___________________ is a group of independent servers configured together to provide high availability of a service or application.
(71) If you want to back up only system state data using the Wbadmin command-line tool, you can use the following command:
(75) The ____ can be used to validate the hardware used in the failover cluster and the configuration of a cluster.
(67) In the ____ model nodes and the disk are allowed to vote in the quorum.
(73) The ____ console is used to validate the hardware configuration of nodes and to create and manage clusters.
(85) In an NLB Cluster, ____ is the most common mode used, and is recommended in Microsoft documentation.
(74) Identify a limitation of using the native backup tools for Active Directory.
(79) The ___________________ tools feature in Windows Server Backup includes support for doing backups with Windows PowerShell commands and scripts.
(82) ____ is the standard or traditional method used to connect to disk storage solutions.
(87) ____ is when a failed node comes back online, services that moved to another node in the cluster can be returned to the original node.
(78) The ________________________ feature adds the services used for backup and restore, and includes support for both the Windows Server Backup console and the Wbadmin command-line tool.
(77) ____ is when one node in a failover cluster fails, another instance will take over for the failed node.
(78) 
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