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Refer to the exhibit. An administrator attempts to provision their first clustered database environment with NDB. The operation fails with the Operation Error shown in the exhibit. Which database engine was being deployed during this operation?
Correct Answer: B
The error message in the exhibit indicates that the operation failed during the "Create and Register Database Server VMs" step because "Provisioning of all the observers simultaneously took more than two hours." This type of error is associated with MySQL, as it involves observers which are a part of MySQL Group Replication, used for ensuring high availability1. The other options are not related to the error message, as they do not use observers or Group Replication for clustering. References: * 1: Nutanix Database Automation (NCP-DB) course, Module 5: Database High Availability, Lesson 5.2: MySQL Group Replication, slide 7
