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When a Nutanix cluster alert occurs, indicating maintenance mode issues, the most likely cause is that another node in the cluster is already in maintenance mode. Nutanix clusters enforce restrictions to prevent more than one node from entering maintenance mode simultaneously. This ensures the cluster can maintain resiliency and availability, adhering to the redundancy factor (RF) policy.

If another node is already in maintenance mode, the cluster cannot afford to have additional nodes enter maintenance without compromising data and service availability.

References:

Nutanix Cluster Best Practices Documentation - Maintenance Mode.

Nutanix Alerts and Events Guide, accessible via Prism UI.

When configuring a physical network switch in Prism Element,SNMP Configurationis required to enable monitoring and communication between the Nutanix cluster and the network switch. SNMP (Simple Network Management Protocol) is used to gather metrics and detect issues such as link failures or performance bottlenecks, ensuring the cluster operates efficiently with the physical network infrastructure.

References:

Nutanix Network Management Guide - SNMP Configuration.

Nutanix Administration Guide - Configuring Switches for Monitoring

When configuring dual encryption in Nutanix, anExternal Key Manager(EKM) is required. This allows the cluster to use an external hardware-based or software-based key management system to securely store and manage encryption keys. The combination of external and native encryption ensures compliance with high security standards.

A. Trusted Platform Module:Incorrect, as TPM is not used for managing dual encryption keys.

B. External Key Manager:Correct, as dual encryption relies on an external system to manage keys.

C. Native Key Manager:Incorrect, as native key management alone does not support dual encryption.

D. Lockdown Mode Enabled:Incorrect, as Lockdown Mode relates to cluster security, not encryption key management.

References:

Nutanix Data-at-Rest Encryption Guide.

Nutanix Support Documentation on Dual Encryption and Key Management.