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Questions and Answers
Within a Nutanix Cluster, what action will be taken by the cluster when an administrator is getting a frequent failure alert of Cassandra & Stargate services for one of the nodes?
What resources should be used to ensure a successful upgrade of the Hypervisor & AOS within a vSphere-based Nutanix cluster?
Which dashboard in Prism will best help the administrator to isolate the cause of the red heart upon login?
What requirements need to be considered before configuring a Replication factor of 1 (RF1)?
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On which entity is the Replication Factor configured?
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Which LCM feature simplifies upgrades on a cluster without internet access?
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Which feature enables image placement policies to be mapped to a target cluster?
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From Prism Central, how can an administrator access the cluster?
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Which feature or configuration is best for securing network traffic between the management and storage replication environments?
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Which AHV feature proactively monitors a Nutanix cluster for compute & storage I/O contention or hotspot over time?
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An administrator is deploying a virtual firewall on each node in an AHV cluster and wants each VM to maintain affinity to its host How can an administrator achieve this goal most effectively?
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What is the purpose of Discoveries within the Nutanix support portal?
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An administrator need to send weekly performance review to several line of business managers about VM they are managing Which tool should the administrator use to satisfy this task.
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A single host in a four-node AHV based cluster experiences a complete network failure. If more than enough resources exist in the cluster to tolerate a node failure, what happens to the user VMs running on the host?
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Which product or feature is most suitable for deploying a Microsoft SQL cluster in a Nutanix environment?
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Where can an administrator find information about the Cluster Runway?
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What is the minimum cluster size for Redundancy Factor 3?
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Which IP address can be used to directly access Prism Element?
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Which feature in Pulse helps secure a customer’s private information?
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In an AHV five-node cluster, an SSD fails within a node that has two SSDs and four HDDs installed. What will happen to the cluster environment?
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Study Notes
Nutanix Cluster Management and Configuration
- Frequent failure alerts for Cassandra and Stargate services may lead to the cluster redirecting I/O path to another Controller Virtual Machine (CVM).
- Successful upgrades of Hypervisor and AOS in vSphere-based clusters require careful reference to hardware replacement documents, field advisories, upgrade paths, and compatibility matrices.
- A red heart icon in Prism Element indicates issues; the Health dashboard is the best to isolate the cause.
- Replication Factor of 1 (RF1) needs consideration of the node count and application resiliency for a proper setup.
- Replication Factor is configured on the Container entity.
- Least complex upgrade in a cluster without internet access can be facilitated by Direct Upload feature in LCM (Lifecycle Manager).
Feature Utilization and Network Security
- Image placement policies can be mapped to target clusters using Labels.
- Accessing a cluster from Prism Central is effectively done through the cluster quick access widget on the main dashboard.
- Best practices for securing network traffic between management and storage replication environments include Network Segmentation and implementing Firewall rules.
- AHV features like ADS (Advanced Data Services) proactively monitor the cluster for compute and storage I/O contention.
VM Management and Monitoring
- To ensure VMs maintain affinity to their hosts with virtual firewalls on each node, administrators can set VMs as agent VMs.
- Discoveries in the Nutanix support Portal help identify clusters affected by known issues.
- For weekly performance reviews of VMs, Prism Central Report with a scheduling feature is optimal for generating consistent updates.
- In a scenario with a network failure on a host in a four-node AHV cluster, VMs will remain operational but become unreachable until connectivity is restored.
Product Suitability and Cluster Size Requirements
- For deploying a Microsoft SQL cluster in a Nutanix environment, Volumes are the most suitable product.
- Information about the Cluster Runway is accessible through Prism Central analysis.
- The minimum cluster size required for Redundancy Factor 3 is 4 nodes.
- Prism Element can be accessed directly through the IP address of any Controller VM in the Cluster.
Data Security and Resilience
- Pulse's feature for securing private customer information includes Data-at-rest Encryption.
- In a five-node AHV cluster with an SSD failure, while the cluster will continue functioning, VMs may need to be live migrated to other hosts until metadata rebuild is complete.
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Description
Test your knowledge on Nutanix cluster management and configuration. This quiz covers topics such as I/O path redirection, Hypervisor upgrades, and replication factor considerations. Understand the significance of health indicators and the use of Prism Central for cluster access.
