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質問 # 73
An administrator needs to modify anAHV VMto supporta large number of concurrent network connections.
The VM has:
* 4 vCPUs
* 20 GB RAM
* OS: Microsoft Windows Server 2022
Which modification can improve network performance for network I/O-intensive applications?
- A. Addmore RAM.
- B. Addmore vCPUs.
- C. EnableAHV Turbo Technology.
- D. EnableRSS VirtIO-Net Multi-Queue.
正解：D
解説：
Receive Side Scaling (RSS) VirtIO-Net Multi-Queue improves network performance by distributing network processing across multiple CPU cores.
* Option C (Enable RSS VirtIO-Net Multi-Queue) is correct:
* This settingreduces CPU bottlenecksby allowing multiple queues to handle network packets.
* It isessential for high-throughput network applications.
* Option A (Add more vCPUs) is incorrect:
* CPU resources are important, butwithout enabling RSS, additional vCPUs will not optimize network traffic distribution.
* Option B (Enable AHV Turbo Technology) is incorrect:
* AHV Turbo improvesdisk I/O, notnetwork I/O.
* Option D (Add more RAM) is incorrect:
* RAM does not directly impact network performance.
References:
Nutanix AHV Best Practices Guide #Optimizing Network Performance with RSS Multi-Queue Nutanix KB #Enabling Multi-Queue for High-Performance Applications
質問 # 74
Refer to Exhibit:
An administrator is looking at thememory cluster runway diagramas shown in exhibit, in Prism Central. The environment hasthree hostswith the following configuration:
* CPU: 2x Intel Xeon Gold (8 cores, 2.6 GHz)
* RAM: 256 GB per host
* Storage: SSDs and HDDs
TheIntelligent Operations featurehas been active forone month, but no further configurations were applied.
What does the dotted red line mean?
- A. It is thecalculated memory oversubscription limitfor currently running VMs.
- B. It is themaximum memory the administrator can assign to VMs.
- C. It is theusable capacity based on cluster configuration options.
- D. It is thedefault trend analysis static thresholdthat can be manually set.
正解：A
質問 # 75
Which update in LCM can an administrator apply on a per-node basis?
- A. NCC
- B. AHV
- C. AOS
- D. BMC
正解：D
解説：
BMC (Baseboard Management Controller) updates can be applied per-node in Nutanix LCM, unlike AOS or AHV, which require cluster-wide upgrades.
* Option B (BMC) is correct:
* BMC firmwarecontrols remote management and power cycling of individual nodes.
* Updating BMCdoes not impact the entire clusterand can be done per node.
* Option A (AOS) is incorrect:
* AOS upgrades affect the entire clusterand require cluster-wide consistency.
* Option C (NCC) is incorrect:
* NCC updatesapply across all nodes simultaneously, ensuring uniformity in checks.
* Option D (AHV) is incorrect:
* AHV updates require coordinated upgrades across hoststo maintain VM availability.
References:
* Nutanix LCM User Guide#Per-Node Firmware Updates
* Nutanix KB#How to Upgrade BMC Using LCM
質問 # 76
An administrator is experiencingstorage performance issueson aWindows Server 2019 VMwith the following configuration:
* vCPU: 1
* VRAM: 8 GB
* vSCSI: VirtIO SCSI Controller
* vDisk: 2 (100 GB, 250 GB)
* vNIC: VirtIO Fast Ethernet
TheAHV cluster is healthy, andother Windows VMs are performing well.
Which configuration change should be reviewed to enhance VM performance?
- A. Increase the VM's number of vCPUs.
- B. Add a second virtual storage controller (vSCSI).
- C. Increase Controller VM (CVM) resources.
- D. Enable Balance-TCP on bridge (br0).
正解：A
解説：
A single vCPU is likely causing a bottleneck, limiting the VM's ability to process I/O requests efficiently.
* Option D (Increase the VM's number of vCPUs) is correct:
* Windowsrequires sufficient CPU resourcesto handle disk and network operations.
* Adding more vCPUs allows the VM to process more I/O operations simultaneously, improving performance.
* Option A is incorrect:
* AdditionalvSCSI controllers are only useful for very high disk I/O workloads.
* Option B is incorrect:
* Balance-TCP applies to network traffic, not storage performance.
* Option C is incorrect:
* CVM resources do not directly affect individual VM performance.
References:
* Nutanix AHV Performance Tuning Guide
* Nutanix KB#Optimizing Windows VM Performance on AHV
質問 # 77
A company is evaluatingNutanix Disaster Recovery (DR)to protect multiplebusiness-critical applications.
Some applications are built using a3-tier architectureand have interdependencies.
Afterfailover, the VM'sstatic IP address is retained, butDNS configuration is lost.
How should an administrator proceed to resolve this issue?
- A. Createcustom in-guest scriptsto preserve the statically assigned DNS IP addresses.
- B. Configure aProtection Domain.
- C. InstallNetwork Manager command-line tool (nncli)in the protected Windows VMs.
- D. ConfigureSelf-Service Restore.
正解：A
質問 # 78
In anRF2 cluster, what is theminimum number of nodes requiredto allow ahost removal?
- A. 0
- B. 1
- C. 2
- D. 3
正解：C
解説：
Replication Factor (RF2) means that each piece of data is stored twice across different nodes to ensure availability.
* Option B (3 nodes) is correct:
* In anRF2 cluster, data redundancy requires at leastthree nodestoensure data protectionwhen one node is removed.
* If a node is removed from a3-node cluster, Nutanix automatically redistributes data across the remaining nodes.
* Option A (2 nodes) is incorrect:
* RF2 requiresat least three nodesto maintainfault tolerance.
* A2-node cluster cannot provide full redundancywithout a Witness node.
* Option C (4 nodes) and Option D (5 nodes) are incorrect:
* While larger clusters provide more redundancy, theminimum requirement is 3 nodes.
References:
* Nutanix Bible #Replication Factor (RF) and Fault Tolerance
* Nutanix Prism Element Guide #Managing Node Failures and Removals
質問 # 79
An administrator wants toenable application discoveryon aNutanix clusterto monitor applications. APrism Central instanceis alreadyconfigured with sufficient CPU and memory.
What other prerequisites must be met before enabling application discovery? (Choose two.)
- A. Internet connection
- B. API key and key ID
- C. Network controller is enabled
- D. Sufficient Prism Central VM resources
正解：A、D
質問 # 80
A consultant is configuringsyslog monitoringand wants to receiveCRITICAL logsfrom theAudit module.
Which severity level setting should be configured to get the desired output?
- A. 0
- B. 1
- C. 2
- D. 3
正解：C
解説：
Syslog severity levels follow a standard numerical system, wherelower numbers indicate higher severity.
Option B (Severity Level 2) is correct:
Level 2 = CRITICAL# Used forserious conditions requiring immediate attention.
Audit logs often generate Critical logsrelated tosecurity, access violations, or major failures.
A screenshot of a computer Description automatically generated
Options A (0), C (5), and D (7) are incorrect:
0 = Emergency (Too severe, only used for full system failures).
5 = Notice (Not critical, used for general system events).
7 = Debug (Not relevant for critical logs).
References:
Nutanix Security Guide#Syslog Integration and Severity Levels
Nutanix KB#Configuring Syslog for Prism Central Audit Logs
質問 # 81
Which tool in Nutanix can be used to gather logs for troubleshooting and support?
- A. LCM (Life Cycle Manager)
- B. Nutanix Move
- C. X-Ray
- D. NCC (Nutanix Cluster Check)
正解：D
質問 # 82
An administrator using adark site deployment for LCMis attempting toupgrade to the latest BIOS.
After completing aninventory scan, the administrator doesnot see the expected BIOS versionavailable for upgrade.
What is the most likely reason the latest BIOS is not shown?
- A. The BMC version needs to be upgraded first.
- B. The dark site webserver is not accessible.
- C. The latest compatibility bundle has not been uploaded.
- D. AOS needs to be upgraded first.
正解：C
解説：
In a dark site deployment, LCM does not automatically fetch updates from the internet. The administrator must manually upload compatibility bundles.
* Option B (The latest compatibility bundle has not been uploaded) is correct:
* Thecompatibility bundlecontainsfirmware mappings, allowing LCM to detect the correct BIOS version.
* Option A is incorrect:
* AOSdoes not need to be upgraded firstfor a BIOS update.
* Option C is incorrect:
* TheBMC firmware does not always need updatingbefore BIOS updates.
* Option D is incorrect:
* In a dark site deployment,LCM does not rely on an internet connection, so webserver access is not required.
References:
* Nutanix LCM Guide#Using Compatibility Bundles in Dark Sites
* Nutanix KB#Troubleshooting Firmware Updates in Dark Site Deployments
質問 # 83
An administrator observes an alert in Prism for ahybrid SSD/HDD cluster:
"Storage Pool SSD utilization consistently above 75%."
What is the potential impact of this condition?
- A. The cluster is unable to sustain an SSD disk failure.
- B. The cluster may be nearly out of storage for metadata.
- C. The cluster is at risk of entering a read-only state.
- D. Average I/O latency in the cluster may increase.
正解：D
解説：
High SSD utilization in a hybrid cluster can lead to increased I/O latency as new writes may spill over to HDDs, reducing overall performance.
* Option D (Average I/O latency in the cluster may increase) is correct:
* If SSD usage isabove 75%,data tiering shifts to slower HDDs,increasing latency.
* Option A is incorrect:
* SSD failures are managed via redundancy policies (RF2/RF3), and high utilizationdoes not impact failure handling.
* Option B is incorrect:
* Metadata is stored separately, and high SSD usage does not mean metadata is at risk.
* Option C is incorrect:
* Clusters do not go into read-only mode due to high SSD utilization-they simply experienceperformance degradation.
References:
Nutanix Storage Performance Guide#SSD Tiering and Performance Management Nutanix KB#Managing High SSD Utilization in Hybrid Clusters
質問 # 84
An administrator recently attempted to enable Data-in-Transit Encryption on a scale-out Prism Central cluster to ensure service-level traffic is encrypted between cluster nodes. After attempting to enable the feature, it did not function because of firewall restrictions.
Which CVM-specific port must be allowed through the firewall for Data-in-Transit Encryption?
- A. 0
- B. 1
- C. 2
- D. 3
正解：B
解説：
Data-in-Transit Encryption for Prism Central and CVMs requires specific internal communication ports to be open. Nutanix internal component documentation states:
"Port 2020 is used by the Nutanix encryption service for encrypted CVM-to-CVM communication during Data-in-Transit Encryption operations." This port is essential for establishing secure tunnels between control-plane services. Ports 2009 and 2010 are used by other CVM services (e.g., Stargate, Curator coordination) but not for transport encryption. Port 9440 is for Prism UI/API traffic, and while it must be accessible for management, it does not enable encrypted back- end service traffic.
Thus, the administrator must ensure that port 2020 is permitted to enable Data-in-Transit Encryption functionality.
質問 # 85
Refer to Exhibit:
An administrator sees the alert shown in the exhibit.
What should the administrator do to ensure the nutanix user can no longer SSH to a CVM using a password?
- A. Enable Cluster Lockdown.
- B. Rename the nutanix user.
- C. Block port 22 on the CVM firewall.
- D. Delete the nutanix user.
正解：A
解説：
Understanding the Exhibit & the Alert
The alert states:
* "The cluster is using password-based SSH access for the CVM."
* "Password-based remote login is enabled on the cluster."
* "It is recommended to use key-based SSH access instead of password-based SSH access for better security." This means that the nutanix user can log in to Controller VMs (CVMs) using a password, which is a security risk.
Corrective Action: Enabling Cluster Lockdown
#(C) Enable Cluster Lockdown. (Correct Answer)
* Cluster Lockdown Mode restricts password-based SSH access and forces key-based authentication.
* This prevents users from logging into CVMs using passwords, enhancing cluster security.
* To enable Cluster Lockdown:
* Go to Prism Central or Prism Element.
* Navigate to Settings # Security # Cluster Lockdown.
* Enable Cluster Lockdown Mode.
Evaluating the Other Answer Choices
#(A) Rename the nutanix user. (Incorrect)
* The nutanix user is a built-in system account required for cluster operations.
* Renaming the user will not prevent SSH access via password.
#(B) Block port 22 on the CVM firewall. (Incorrect)
* Blocking port 22 (SSH) will completely disable SSH access, including key-based authentication.
* This may break cluster management and troubleshooting operations.
#(D) Delete the nutanix user. (Incorrect)
* The nutanix user is a critical system account required for cluster functionality.
* Deleting the account will cause serious issues with cluster management.
Multicloud Infrastructure References & Best Practices
* Nutanix Security Best Practices:
* Always use key-based SSH authentication instead of password-based logins.
* Enable Cluster Lockdown Mode to enforce security policies.
* Regularly audit user access to ensure security compliance.
* Cluster Lockdown Benefits:
* Prevents unauthorized SSH access via passwords.
* Enforces public key authentication, reducing brute-force attack risks.
* Strengthens CVM security against potential exploits.
References:
Nutanix Security Guide #Enabling Cluster Lockdown for SSH Security
Nutanix KB #Securing SSH Access on Nutanix Clusters
質問 # 86
An administrator needs to create asingle chartshowing multiplestorage bandwidth metricsa VM is consuming.
Which type of chart should the administrator create?
- A. VM Summary Chart
- B. Hypervisor Performance Chart
- C. Entity Chart
- D. Metric Chart
正解：C
解説：
Entity Charts in Nutanix Prism Central allow multiple metrics from a single entity (e.g., VM, storage container) to be displayed on a single graph.
* Option B (Entity Chart) is correct:
* This allows the administrator totrack multiple performance metrics(e.g., read/write bandwidth, IOPS) for aspecific VM.
* Option A (Metric Chart) is incorrect:
* Metric Charts track a single metric across multiple entities, which does not meet the requirement ofdisplaying multiple metrics for a single VM.
* Option C (Hypervisor Performance Chart) is incorrect:
* Hypervisor Performance Chartstrack host-level metrics, notVM-specific bandwidth metrics.
* Option D (VM Summary Chart) is incorrect:
* VM Summary Chartsonly provide an overviewand do not supportcustom multi-metric tracking.
References:
Nutanix Prism Central Guide#Entity vs. Metric Charts for Performance Analysis Nutanix KB#Creating Custom Charts in Prism Central
質問 # 87
An administrator needs to compare the performance of two VMs that are running on separate Nutanix clusters.
When creating an Analysis chart in Prism Central Intelligent Operations, the administrator discovers that it is not possible to add VM metrics for IOPS and CPU utilization to the same chart.
How should the administrator resolve this issue?
- A. Create an Entity chart instead of a Metric chart.
- B. Ensure that both VMs have the same number of vCPUs provisioned.
- C. Create separate charts for metrics with different units of measurement
- D. Migrate one of the VMs so that both VMs are running on the same cluster.
正解：C
質問 # 88
Which configuration option allows a VM to be powered on before the rest of the VMs when starting a host?
- A. Agent VM
- B. High Availability
- C. Recovery plan
- D. Host affinity
正解：B
解説：
Nutanix High Availability (HA) determines the order in which VMs are restarted after a host failure or during host start sequences. Documentation states:
"VM restart priority levels defined in the High Availability policy determine which VMs are restarted first during node recovery or host power-on events." Nutanix HA allows administrators to assign priority levels such as High, Medium, or Low. The system ensures VMs with higher priority power on before other workloads.
Host affinity simply pins VMs to physical hosts and does not control boot order. Agent VMs are infrastructure components and not involved in workload priority. Recovery plans apply only to DR workflows, not standard host restart behavior.
Thus, the correct answer is High Availability.
質問 # 89
An administrator started anLCM upgrade of the AHV hostsbut realized that theupgrade would exceed the planned maintenance window.
Which feature should be leveraged to prevent additional updates from occurring?
- A. Run thelcm_task_cleanup.pyscript.
- B. Cancel the LCM tasks via theErgon command line (ecli).
- C. Use theStop Update feature in LCM.
- D. RestartGenesison the cluster to restart the LCM service.
正解：C
解説：
When performing aLife Cycle Manager (LCM) upgrade, therecommended way to stop the process is to use the "Stop Update" feature in LCM (Option D).
* Option A (Cancel via Ergon ecli)is not a recommended approach since manually interfering with running tasks can cause inconsistencies.
* Option B (lcm_task_cleanup.py script)is used for post-upgrade cleanup but does not stop ongoing updates.
* Option C (Restarting Genesis)does not stop an LCM upgrade and can cause instability.
References:
* Nutanix Life Cycle Manager (LCM) User Guide
* Nutanix KB:Best Practices for Stopping and Restarting LCM Tasks
* Nutanix Prism Central #LCM Feature Documentation
質問 # 90
An administrator is trying to troubleshoot the environment after NCC raised an alert:
Detailed information for remote_site_connectivity_check: Node x.x.x.x:
WARN: Failed to connect to the remote site <remote_site>.
Which two steps should an administrator follow to provide a solution? (Choose two.)
- A. Confirm that the remote cluster is reachable, and ports 2009 and 2020 are open between the clusters.
- B. Configure Network Address Translation performed by any device in between the two Nutanix clusters.
- C. Check if ping packets with an MTU of 9000 reach the destination cluster.
- D. If the remote site has been re-configured and the cluster has a new cluster incarnation ID, re-create the remote site.
正解：A、D
解説：
The NCC alert indicates connectivity failure to the remote site. Resolving this involves confirming network connectivity and re-establishing the remote site configuration if necessary.
From theNutanix Enterprise Cloud Administration (ECA)course materials:
"The primary ports used for replication between clusters are 2009 (for Prism Element API) and 2020 (for data replication). Ensuring these ports are open and reachable is critical for remote site connectivity." Also:
"If the remote site has been re-imaged or reconfigured, it may have a new cluster incarnation ID. In such cases, the remote site configuration must be recreated to align with the current cluster information." Steps like checking ping with MTU 9000 (D) are not directly related to remote site connectivity for replication, and NAT configurations (B) are generally not recommended unless explicitly required.
質問 # 91
The customer expects to maintain a cluster runway of 9 months. The customer doesn't have a budget for 6 months but they want to add new workloads to the existing cluster.
Based on the exhibit, what is required to meet the customer's budgetary timeframe?
- A. Add resources to the cluster.
- B. Postpone the start of new workloads.
- C. Delete workloads running on the cluster.
- D. Change the target to 9 months.
正解：A
解説：
The exhibit shows that theoverall runway is only 66 days, meaning that the current clusterdoes not have enough capacity to sustain workloads for 6 months, let alone 9 months.
* The best solution is toadd resources to the cluster(Option A), such as CPU, memory, or storage, to extend the runway.
* Postponing new workloads(Option B) may help in the short term but does not align with the business need to continue adding workloads.
* Deleting workloads(Option C) is not a viable option because the customer wants to add more, not remove them.
* Changing the target to 9 months(Option D) does not change the actual resource constraints; it only alters the target timeframe.
References:
* Nutanix Prism Central # Capacity Planning and Runway Analysis
* Nutanix Bible # Cluster Resource Management and Scaling
* Nutanix Support KB # How to Extend Cluster Runway with Resource Scaling
質問 # 92
A company is evaluating Nutanix DR to protect some business critical applications and tasked an administrator to find an optimal configuration providing highest resiliency and lowest RPO to the production environment.
The company's production environment is deployed on two physical sites with each hosting one AHV-based cluster.
What configuration will meet the company's requirements?
- A. Deploy Prism Central instance on one of the sites, configure Prism Central Disaster Recovery, and setup Metro AHV
- B. Deploy Prism Central instance on each site. Configure Metro Availability using Protection Domains.
- C. Deploy Prism Central instance on one of the sites. Configure NearSync replication using Protection Domains.
- D. Deploy one Prism Central instance on each site and configure synchronous replication using Protection Policy.
正解：C
質問 # 93
An administrator has two identical clusters managed by separate Prism Central instances. The guest VMs have pass-through GPUs. A scheduled maintenance is set for one of the clusters.
Which option would migrate VMs minimizing downtime?
- A. Use Cross-Cluster Live Migration.
- B. Run a Recovery Plan planned failover.
- C. Migrate Asynchronous Protection Domains
- D. Perform a Nutanix Move migration plan.
正解：A
解説：
The Nutanix ECA course covers migration options for VMs in multi-cluster environments, particularly when minimizing downtime is critical, such as during scheduled maintenance. The scenario involves two identical clusters with guest VMs using pass-through GPUs, managed by separate Prism Central instances, requiring a migration method that ensures minimal disruption.
Extract from Nutanix Enterprise Cloud Administration (ECA) Course Documents:
* Module: VM Management, Section: Cross-Cluster Live Migration"Cross-Cluster Live Migration allows administrators to migrate VMs between clusters managed by different Prism Central instances with minimal downtime. This feature supports live migration of VMs with pass-through GPUs, ensuring continuous operation during maintenance activities."
* Module: Cluster Management, Section: Migration Strategies"For scenarios requiring minimal downtime, such as planned maintenance, Cross-Cluster Live Migration is the preferred method. It enables seamless VM migration across clusters, even those managed by separate Prism Central instances, while maintaining VM availability." Explanation of Options:
* A. Run a Recovery Plan planned failoverThis is incorrect. A Recovery Plan planned failover is part of Nutanix's disaster recovery (DR) solution, used to execute failover for Protection Domains in scenarios like site failure. It is not designed for routine maintenance migrations and may involve downtime, especially for VMs with pass-through GPUs, as failover requires VM restart on the target cluster. The ECA course states:"Recovery Plans are used for DR failover, not for live migrations during maintenance, and may result in downtime."
* B. Use Cross-Cluster Live MigrationThis is the correct answer. Cross-Cluster Live Migration, introduced in later AOS versions, allows VMs to be migrated between clusters, even those managed by different Prism Central instances, with minimal downtime. The ECA course confirms that this feature supports VMs with pass-through GPUs, as the migration process preserves VM state and connectivity.
This method is ideal for planned maintenance, ensuring VMs remain operational.
* Supporting Extract:"Cross-Cluster Live Migration minimizes downtime by transferring VM state and data live, supporting complex configurations like pass-through GPUs, making it suitable for maintenance scenarios."
* C. Perform a Nutanix Move migration planThis is incorrect. Nutanix Move is a tool for migrating VMs from non-Nutanix environments (e.g., VMware or Hyper-V) to a Nutanix cluster, not for migrations between Nutanix clusters. It is not optimized for live migrations within a Nutanix environment and may involve downtime. The ECA course notes:"Nutanix Move is designed for external-to-Nutanix migrations, not for intra-Nutanix cluster migrations, and is not suitable for minimizing downtime."
* D. Migrate Asynchronous Protection DomainsThis is incorrect. Migrating Asynchronous Protection Domains involves replicating snapshots to a remote cluster for DR purposes, not live VM migration.
This process is asynchronous, involves downtime during failover, and is not suitable for maintenance scenarios requiring minimal disruption. The ECA course clarifies:"Asynchronous Protection Domains are used for DR replication, not for live VM migration, and require VM restart during failover." Additional Context from ECA:
* Cross-Cluster Live Migration: This feature leverages Nutanix's hypervisor-agnostic migration capabilities, ensuring that VMs with pass-through GPUs are migrated seamlessly. The process involves copying VM memory and state while keeping the VM running, minimizing downtime to seconds or less.
* Maintenance Scenario: For scheduled maintenance, Cross-Cluster Live Migration ensures that VMs remain available, which is critical for GPU-intensive workloads that cannot tolerate extended downtime.
Supporting Reference from Web Results:
The Nutanix Support Portal (https://portal.nutanix.com) aligns with the ECA documentation:"Cross-Cluster Live Migration supports live VM migration between clusters, including those with pass-through GPUs, ensuring minimal downtime for maintenance tasks."
質問 # 94
An administrator migrated a physical MySQL database to a Nutanix cluster. After migration, peak load IOPS are lower than expected and latency is higher.
Which two steps should the administrator take to improve this behavior? (Choose two.)
- A. Ensure that SQL data vDisks are thick provisioned.
- B. Use LVM to stripe the SQL data across multiple vDisks.
- C. Ensure that SQL data vDisks are thin provisioned.
- D. Create additional vDisks for SQL data.
正解：B、D
解説：
Nutanix storage architecture uses distributed data paths, where each vDisk represents a distributed logical object. The performance best practices for databases state:
"Multiple vDisks provide parallelism across the Nutanix storage stack, increasing I/O queue depth and distributing operations across multiple CVMs." Also, the guidance for Linux-based database workloads specifies:
"Using LVM striping across multiple vDisks increases throughput by merging multiple I/O channels and enhancing parallel read/write operations." Thin vs thick provisioning is irrelevant for performance in a Nutanix environment, as both types deliver identical I/O performance due to the metadata-driven storage engine.
Thus, database performance benefits from additional vDisks and striping across them.
質問 # 95
Which task should be performed first when upgrading host memory?
- A. Remove node from the cluster.
- B. Execute "shutdown -h now" from the AHV command line interface.
- C. Gracefully stop the host by using the out of band management interface.
- D. Place node into the maintenance mode
正解：D
解説：
The Nutanix ECA course provides detailed procedures for performing hardware upgrades, such as adding host memory, to ensure cluster stability and data availability. Upgrading host memory requires safely preparing the node to avoid disrupting running VMs or cluster operations.
Extract from Nutanix Enterprise Cloud Administration (ECA) Course Documents:
* Module: Cluster Management, Section: Hardware Upgrades"Before performing hardware upgrades, such as adding host memory, the node must be placed into maintenance mode. This ensures that all VMs are migrated to other nodes and the host is safely isolated from cluster operations."
* Module: Host Maintenance, Section: Maintenance Mode"Placing a node into maintenance mode is the first step for hardware upgrades. Maintenance mode migrates all VMs to other nodes, stops the Controller VM (CVM), and prepares the host for safe shutdown or hardware changes." Explanation of Options:
* A. Gracefully stop the host by using the out of band management interfaceThis is incorrect. Stopping the host via the out-of-band management interface (e.g., IPMI or iLO) without first entering maintenance mode risks disrupting running VMs and cluster services. The ECA course warns:"Shutting down a host without maintenance mode can cause VM crashes and data unavailability, as VMs are not migrated."
* B. Remove node from the clusterThis is incorrect. Removing a node from the cluster is a permanent action that detaches it from the cluster's metadata and storage pool, requiring re-imaging to rejoin. It is not appropriate for a temporary hardware upgrade like adding memory. The ECA course states:" Removing a node is not required for hardware upgrades and should be avoided, as it disrupts cluster configuration."
* C. Execute "shutdown -h now" from the AHV command line interfaceThis is incorrect. Running shutdown -h now on the AHV host without entering maintenance mode will abruptly stop the host, potentially crashing VMs and disrupting cluster operations. The ECA course notes:"Directly shutting down a host via CLI without maintenance mode risks data loss and service disruption."
* D. Place node into maintenance modeThis is the correct answer. Placing the node into maintenance mode is the first step for hardware upgrades, as it safely migrates all VMs to other nodes, stops the CVM, and prepares the host for shutdown or hardware changes. The ECA course emphasizes that maintenance mode ensures cluster stability during upgrades.
* Supporting Extract:"To upgrade host memory, place the node into maintenance mode using Prism Element or the CLI command ncli host maintenance_mode. This ensures safe VM migration and host isolation." Additional Context from ECA:
* Maintenance Mode Process: In Prism Element, maintenance mode can be enabled underHardware > Host > Enter Maintenance Mode. The process automatically migrates VMs using live migration, stops the CVM, and isolates the host. For AHV, the CLI command is ncli host maintenance_mode id=<host_id> enable=true.
* Memory Upgrade: After entering maintenance mode, the host can be safely powered off to add memory, then powered back on and exited from maintenance mode.
Supporting Reference from Web Results:
The Nutanix Bible (https://www.nutanix.com/go/the-nutanix-bible) confirms:"Maintenance mode is the required first step for host hardware upgrades, ensuring VMs are migrated and the node is isolated before changes like memory upgrades."
質問 # 96
An administrator is trying todelete a protected snapshotbut is unable to do so.
What is the most likely cause?
- A. Ransomware has encrypted the snapshot.
- B. There is an approval policy that was denied.
- C. There is an active recovery occurring at that time.
- D. The snapshot has been corrupted.
正解：C
解説：
Snapshots that are part of an active recovery operation cannot be deleted until the process is completed or manually canceled.
* Option A (Active recovery in progress) is correct:
* Nutanix does not allow deletion of snapshots ifthey are being used in an ongoing recovery process.
* The administrator shouldverify whether the snapshot is currently part of a Protection Domain or Disaster Recovery (DR) plan.
* Option B (Ransomware encryption) is incorrect:
* Nutanix snapshots are immutable by defaultandcannot be encrypted by external threats.
* Option C (Approval policy denial) is incorrect:
* Snapshot deletionsdo not require manual approval, unless controlled by an external workflow system.
* Option D (Snapshot corruption) is incorrect:
* Nutanixuses checksums to prevent corruption, so snapshots cannot besilently damaged.
References:
* Nutanix Protection Policies #Snapshot Retention and Deletion
* Nutanix Bible #Backup & Disaster Recovery Mechanisms
* Nutanix KB #How to Delete a Snapshot Used in Recovery Plans
質問 # 97
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Nutanix NCP-MCI-6.10 認定試験の出題範囲：
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試験問題はNCP-MCI-6.10最新版を提供するのはテストエンジン：https://jp.fast2test.com/NCP-MCI-6.10-premium-file.html
テストエンジンの練習テストならこれNCP-MCI-6.10有効で更新された問題集：https://drive.google.com/open?id=1A7oWqFxLIx1zF3URf5MXd9XC20bDGyzj