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| Section | Objectives |
|---|---|
| Describe Nutanix Platform Administration | - Basic virtual networking configuration - Virtual machine management tasks - Storage operations and licensing management |
| Demonstrate and Understand Platform Health and Monitoring | - Cluster health checks and resiliency status - Alerts, events, and performance monitoring - Support case creation and diagnostic tools |
| Describe Cluster Configuration and Maintenance | - Hardware maintenance procedures - Software updates and Life Cycle Management (LCM) - Valid cluster configuration options |
| Recognize Nutanix Solutions and Tools | - Nutanix solutions, use cases, and features of Nutanix Cloud Infrastructure (NCI) Technologies - Use cases and features of Nutanix management and operational tools |
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問題 #70
Which security option should be implemented to ensure that all intra-cluster communication is secured?
答案：D
解題說明：
Network Encryption is the security control directed at protecting data while it traverses the network between Nutanix cluster components. It provides cryptographic confidentiality and integrity for supported intra-cluster traffic, preventing captured traffic from being interpreted or modified without detection. In AOS 7.5, the documented intra-cluster data-in-transit encryption capability specifically covers Stargate storage traffic.
Accordingly, the examination wording should be interpreted as asking which option cryptographically secures intra-cluster communications, for which Network Encryption is the only valid choice.
Network Segmentation serves a different purpose. It isolates traffic categories-such as management, backplane, or replication traffic-onto separate networks. Segmentation can reduce exposure and limit broadcast or failure domains, but isolated traffic is not necessarily encrypted. Cluster Lockdown restricts administrative access, particularly access paths involving hosts and Controller VMs; it does not encrypt packets moving between cluster services. "vSwitch Lockdown" is not the relevant Nutanix data-in-transit security mechanism.
The decisive distinction is therefore encryption versus isolation or access restriction. If the requirement is that intercepted traffic must remain unreadable, an encryption capability is required. Segmentation may complement that control, but cannot replace it.
NHCF/NCA reference: Nutanix security architecture, data-in-transit protection, and cluster network configuration. Official references: Data-in-Transit Encryption and Segmented Network Traffic Types .
問題 #71
Refer to the exhibit.
A cluster is showing the alert in the attached image.
What is the recommended method to quickly determine possible causes and corrective actions for this alert?
答案：B
解題說明：
The alert title is the navigation control used to open the alert details page. That page consolidates the information needed to investigate the condition, including the alert description, severity, creation time, affected entity, possible causes, and recommended corrective actions. Nutanix documentation states that an administrator displays an alert's details by clicking its title.
The Source Entity link leads to information about the affected object-for example, a disk, controller VM, host, or cluster. Entity information may be useful later in the investigation, but it is not the direct route to the alert-specific cause and resolution guidance requested in the question. The selection box merely selects the record for supported bulk or administrative operations. Email Configuration controls alert-notification delivery and does not diagnose the active alert.
Copying the title into a public search engine is also inferior to using the contextual information already maintained in Prism. Search results may apply to different software releases or environmental conditions, whereas the details page is connected to the actual alert instance and entity. Therefore, clicking the alert title is the fastest supported diagnostic path. References: Prism Central - Alerts Summary View and Prism 7.5 - Alert Details . NHCF alignment: interpreting and investigating alerts.
問題 #72
Which Nutanix solution provides microsegmentation and application-centric security policies for VMs?
答案：B
解題說明：
Flow Network Security provides application-centric microsegmentation and distributed security-policy enforcement for Nutanix workloads. It uses categories and application context to define which workloads may communicate, rather than depending exclusively on static IP addresses or physical VLAN boundaries.
Policies can follow VMs as they move or scale within supported Nutanix environments.
Microsegmentation limits east-west communication between application components and reduces the potential lateral movement of malware or unauthorized users. Administrators can define policies for application tiers, environments, user groups and isolation requirements, then manage those policies centrally through Prism Central. Flow Network Security also provides traffic visualization and policy-monitoring capabilities before enforcement.
AHV supplies the virtualization and host-compute layer but is not, by itself, the security-policy product identified by the question. AOS provides distributed storage, resilience and data services. Nutanix Disaster Recovery manages workload protection, replication and recovery rather than distributed microsegmentation.
NHCF/NCA reference: Nutanix Cloud Infrastructure solutions, networking and security capabilities; NCA Section 1, "Recognize Nutanix solutions, use cases and features of NCI technologies." Official references:
Flow Network Security , Nutanix Flow .
問題 #73
During a routine cluster review, an administrator observes that an NCC check has returned the following status:
ERR: The plugin timed out
What does this status indicate about the health check?
答案：B
解題說明：
An ERR status means that the NCC plugin failed to execute successfully. In this case, the plugin exceeded its allowed execution period and timed out. Because the check did not complete, NCC cannot determine whether the tested cluster component is healthy or unhealthy. Option C is therefore the accurate interpretation.
ERR must not be treated as equivalent to FAIL. A FAIL result indicates that the check executed and identified a condition that did not satisfy the required health criteria. By contrast, ERR describes a problem with the health-check execution itself. The administrator should review the accompanying message, verify the applicable services and connectivity, and rerun the check. Persistent execution errors may require collecting NCC logs or engaging Nutanix Support.
A warning or an unexpected but noncritical condition is represented differently. INFO supplies contextual information that does not constitute a failure, while WARN identifies a condition requiring review. The timeout result cannot validate the cluster's state, so the underlying area remains unconfirmed until the check completes successfully.
NHCF/NCA reference: Cluster Health-NCC result codes and health-check interpretation; NCA Section 4,
"Perform and interpret a health check." Official reference: Nutanix Cluster Check Guide .
問題 #74
An administrator is troubleshooting a VM that consumes excessive resources and is potentially affecting other VMs.
Which VM Efficiency type refers to this type of VM?
答案：D
解題說明：
A bully VM consumes an unusually high quantity of shared host resources and may deprive other VMs of the resources required to operate normally. NCM Intelligent Operations identifies this behavior by analyzing sustained metrics such as CPU Ready Time, memory swapping, and host I/O activity. The classification is based on observed resource behavior over time rather than only on the VM's configured size.
A constrained VM has insufficient resources for its own workload demand and may experience performance bottlenecks. An over-provisioned VM has more assigned resources than it regularly uses, creating inefficient capacity allocation without necessarily generating heavy consumption. An inactive VM is powered off or exhibits negligible activity for the defined assessment period. These classifications describe different optimization conditions and do not match a VM actively consuming resources at the expense of neighboring workloads.
After identifying a bully VM, the administrator should inspect its CPU, memory, and storage activity, confirm whether the demand is legitimate, and apply appropriate remediation such as workload tuning, resource resizing, scheduling changes, or storage QoS. Nutanix documentation identifies a bully VM through sustained resource-contention indicators. Reference: NCM Intelligent Operations - Behavioral Learning Tools . NHCF alignment: VM efficiency and workload-performance analysis.
問題 #75
......
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