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How can an administrator exclude Kernel patches for the Linux OS using the most efficient means?
NDB supports Linux OS patching for database server VMs. Linux OS patching is performed by using the yum or apt package managers, depending on the Linux distribution. To exclude Kernel patches for the Linux OS, the administrator can disable or exclude the appropriate repositories on the VM prior to patching. This can be done by editing the yum.conf or apt.conf files, or by using the --disablerepo or --exclude options in the yum or apt commands. This way, the administrator can control which patches are applied to the VM without affecting other VMs or requiring additional scripts or reboots.
Nutanix Database Automation (NCP-DB) Course Details, Section 4.2: NDB Linux OS Patching
Nutanix Database Automation (NCP-DB) Certification Details, Objective 4.2: Perform Linux OS Patching
Nutanix Database Automation (NCP-DB) YouTube Playlist, Video 4.2: NDB Linux OS Patching
Nutanix Database Automation (NCP-DB) User Guide, Section 4.5: Patch Linux OS Software
An administrator enables NDB Multi-cluster.
Which NDB Service component is deployed on a dedicated VM?
When an administrator enables NDB Multi-cluster functionality, certain components are deployed or reconfigured to support the distributed environment. HAProxy (High Availability Proxy) is a critical component that manages load balancing and secure communication across clusters. In a multi-cluster setup, HAProxy is deployed on a dedicated VM to ensure efficient traffic distribution and high availability for NDB services, such as API calls and GUI access, across the clusters. This dedicated deployment enhances scalability and resilience.
Option A (Agent VM) is incorrect because Agent VMs are typically deployed on managed database VMs, not as dedicated NDB service components in multi-cluster setups.
Option B (HAProxy) is correct as it is specifically deployed on a dedicated VM to handle load balancing in a multi-cluster NDB environment.
Option C (Repository DB) is incorrect because the Repository DB is part of the NDB control plane and not necessarily deployed on a separate VM for multi-cluster purposes.
Option D (APIVM) is incorrect because the API VM is part of the core NDB infrastructure but not specifically deployed as a dedicated VM for multi-cluster enablement.
Nutanix Database Service (NDB) User Guide, Chapter 3: Configuring an NDB Environment, Section: Multi-Cluster Configuration
Nutanix Certified Professional - Database Automation (NCP-DB) v6.5 Blueprint, Section 3: Configure an NDB Environment
An NDB administrator would like to configure a database with a Time Machine protection mode that includes the Log Catchup operation.
What would be the most essential component to make such a configuration possible?
To configure a database with a Time Machine protection mode that includes the Log Catchup operation in NDB, the most essential component is a Service Level Agreement (SLA) that supports continuous log retention. The Log Catchup operation enables point-in-time recovery (PITR) by replaying transaction logs from a specified point, ensuring minimal data loss and meeting Recovery Point Objective (RPO) requirements. This functionality depends on the Time Machine being configured with an SLA that includes the 'Continuous Log Retention' option, which ensures transaction logs are captured and retained continuously alongside snapshots.
Option A is incorrect because a daily snapshot alone is insufficient without log retention to enable Log Catchup.
Option B is incorrect because an SLA retention schedule for daily snapshots does not inherently include continuous log capture, which is required for Log Catchup.
Option C is correct as it specifies the Continuous Log Retention option, the critical feature for enabling Log Catchup in a Time Machine SLA.
Option D is incorrect because while frequency settings are important, they are secondary to selecting an SLA with continuous log retention as the foundational requirement.
This configuration ensures robust data protection and recovery capabilities tailored to the database's needs.
Nutanix Database Service (NDB) User Guide, Chapter 5: Configuring Time Machines, Section: Setting Up SLAs with Log Catchup
Nutanix Support & Insights, Knowledge Base Article: 'Configuring Time Machine with Log Catchup in NDB'
Nutanix Certified Professional - Database Automation (NCP-DB) v6.5 Blueprint, Section 5: Protect Databases Using Time Machine
A developer requests a new development database environment. The Era administrator identifies that there are insufficient resources on the
development cluster.
Which two profiles should the administrator adjust to get the copy to fit within the resources available? (Choose two.)
