最新 [2025年04月04日]NCP-MCI-6.5試験正確解答Nutanix Certified Professional - Multicloud Infrastructure (NCP-MCI) v6.5 examのPDF問題
あなたのキャリアーを稼いで飛躍せよNutanix 180問題
質問 # 20
Refer to Exhibit:
An administrator is trying to create a custom alert policy for all VMs.
Why is the Alert warning if field greyed cut?
- A. The Alert critical if threshold is set.
- B. The Auto resolve alerts option is checked.
- C. The Enable Policy option checked.
- D. The Behavioral Anomaly threshold is set.
正解：D
解説：
when you create a custom alert policy, you can choose between two types of thresholds: Static Threshold and Behavioral Anomaly. Static Threshold allows you to set a fixed value for the metric that triggers the alert. Behavioral Anomaly allows you to use machine learning to detect abnormal behavior based on historical data.
If you select Behavioral Anomaly as the threshold type, you cannot set a warning level for the alert. You can only set a critical level that indicates how much deviation from normal behavior is considered an anomaly3. Therefore, the Alert warning if field is greyed out when you select Behavioral Anomaly.
質問 # 21
An administrator wants to create a trunked interface on a VM on AOS 5.15x.
Which two steps should the administrator take first to achieve this? (Choose two)
- A. SSH to CVM.
- B. Log in over PE web UI.
- C. Update VM dialog.
- D. Use acli
正解：A、D
解説：
Explanation/Reference:
Reference:
#sthash.3uIAHeXZ.dpbs
質問 # 22
While installing Windows 2019 on a new VM on an AHV cluster, an administrator notices there aren't any drives listed for the install.
What might the problem be?
- A. VirtIO drivers have not yet been installed and the disks are IDE disks.
- B. VirtIO drivers aren't supported on this version of Windows 2019.
- C. VirtIO drivers must be installed on AHV for installations of Windows.
- D. VirtIO drivers have not yet been installed and the disks are SCSI disks.
正解：D
質問 # 23
Administrator is creating a Windows 10 VM that will be used for a virtual desktop template. After creating the VM and booting to the ISO, the administrator is unable to install Windows and receives the following error.
What steps does the administrator need to take to install the OS?
- A. Load the Nutanix Virtual Balloon Driver.
- B. Load the Virtual SCSI pass-through controller.
- C. Load the VirtIO Network Ethernet Adaper.
- D. Load the Nutanix VirtIO Serial Bus Driver.
正解：B
解説：
Load the Virtual SCSI pass-through controller.
The error message shown in the image indicates that Windows 10 setup cannot find any drives to install the OS. This is because the Nutanix AHV hypervisor uses a virtual SCSI pass-through controller to present disks to the VMs, and Windows 10 does not have a built-in driver for this device. Therefore, the administrator needs to load the Nutanix VirtIO driver for the virtual SCSI pass-through controller during the OS installation process. The Nutanix VirtIO driver package contains various drivers that are specifically used by Windows VMs hosted in the Nutanix environment to enhance their stability and performance1. The administrator can download the latest Nutanix VirtIO driver package from the VirtIO downloads page of the Nutanix support portal. The administrator can then follow these steps to load the driver and install the OS2:
On the Windows 10 setup screen, click Load driver.
Insert a USB drive or mount an ISO image that contains the Nutanix VirtIO driver package.
Browse to the location of the driver package and select the folder that matches the OS architecture (32-bit or 64-bit).
Select the vioscsi.inf file and click Next.
Wait for the driver to load and then click Refresh.
Select the disk where you want to install Windows 10 and click Next.
References: 1: VirtIO Driver Versions for Windows 2: Installing Windows on AHV
質問 # 24
What does Nutanix recommend when setting up the node networkring?
- A. Combine NIC models from different vendors in the same bond.
- B. Include NIC models from different vendors in the same bond
- C. Include at least two physically interfaces in every bond.
- D. Combine NIC models from different vendors in the same bond.
正解：C
解説：
A bond is a logical interface that combines two or more physical interfaces on an AHV host. A bond provides high availability and load balancing for the network traffic of the host and its VMs. A bond can have different modes that determine how the traffic is distributed and how the bond handles failures of the physical interfaces. The most common bond modes are active-backup, active-active, and LACP1.
Nutanix recommends including at least two physical interfaces in every bond to ensure high availability and redundancy. If one of the physical interfaces fails or is disconnected, the other interface can take over the traffic without affecting the connectivity of the host or its VMs. Having at least two physical interfaces in a bond also allows for maintenance operations such as firmware upgrades or cable replacements without downtime2.
Nutanix does not recommend including NIC models from different vendors in the same bond, as this may cause compatibility issues or performance degradation. Nutanix also does not recommend using only one physical interface in a bond, as this provides no redundancy or load balancing benefits3.
質問 # 25
An administrator is adding a node with a higher AOS release to an existing cluster.
What is the most efficient action an administrator should take to ensure it is in a supported state?
- A. Perform standalone reimage of the new node and then add to cluster
- B. Add the node to the cluster and leave the existing AOS version in place
- C. Destroy cluster and foundation with the new node in place
- D. Add the node to the cluster and reboot all running VMs to use new release
正解：A
質問 # 26
After running an LCM inventory it is noticed that there are a number of firmware and software updates available. The administrator would like to avoid any host reboots, but would like to apply some of the available updates?
- A. AOS
- B. AHV
- C. M.2 Drives
- D. Data Drives
正解：A、B
解説：
Explanation
AHV is the Acropolis Hypervisor that is used to run Nutanix clusters, and firmware and software updates can be applied to it without requiring any host reboots. AOS is the Acropolis Operating System that includes the hypervisor, storage and management components of the Nutanix cluster, and firmware and software updates can also be applied to it without requiring any host reboots.
質問 # 27
An administrator needs to shut down an AHV cluster to relocate hardware. The administrator upgrades NCC and runs health checks.
Which steps should the administrator perform next?
Item instructions: For each procedure, indicate the order in which that procedure must take place to meet the item requirements.
正解：
解説：
質問 # 28
What is the function of the virbr0 bridge on AHV?
- A. To carry storage communication between the guest VMs and the CVM
- B. To carry management and storage communication between user VMs and the CVM.
- C. To carry management and storage communication between user VMs and AHV host.
- D. To carry all traffic between the user VMs and the upstream network.
正解：C
解説：
Explanation
http://www.vstellar.com/2019/01/10/ahv-networking-part-1
-basics/#:~:text=AHV%20Network%20Architecture&text=virbr0%20is%20an%20internal%20switch,virbr0)%2
質問 # 29
An administrator is setting up a Nutanix cluster and needs to configure the default VLAN.
Which configuration should the administrator choose?
- A. Vlan.2
- B. Vlan.0
- C. Vlan.7
- D. Vlan.1
正解：D
解説：
Nutanix cluster is a group of Nutanix nodes that share data and resources across a network1. A VLAN is a virtual LAN that allows devices on different physical LANs to communicate as if they were on the same network2.
by default, a virtual NIC (VM NIC) on a guest VM operates in access mode and can send and receive traffic only over its own specified VLAN. The default VLAN ID for access mode interfaces is 1.
Therefore, by choosing Vlan.1 as the default VLAN, you can simplify the network configuration and avoid potential issues with other VLAN IDs.
質問 # 30
After running an LCM inventory it is noticed that there are a number of firmware and software updates available. The administrator would like to avoid any host reboots, but would like to apply some of the available updates?
Which two updates can be done while avoiding a host reboot? (Choose two.)
- A. AOS
- B. AHV
- C. Data Drives
- D. M.2 Drives
正解：A、C
質問 # 31
Which inefficient VM Profile can be used to identify a VM that consumes too many resources and causes other VMs to starve?
- A. Constrained VM
- B. Inactive VM
- C. Over-provisioned VM
- D. Bully VM
正解：D
解説：
A bully VM is a VM that consumes too many resources and causes other VMs to starve. A bully VM can affect the performance and availability of other VMs on the same host or cluster by hogging CPU, memory, disk, or network resources. A bully VM can be identified by using the VM Profile feature in Prism Central2.
The VM Profile feature analyzes the resource utilization of each VM and assigns it a profile based on its efficiency and impact on other VMs. The profiles are as follows3:
* Efficient: The VM is well-provisioned and has optimal resource utilization.
* Over-provisioned: The VM has more resources than it needs and has low resource utilization.
* Constrained: The VM has less resources than it needs and has high resource utilization.
* Inactive: The VM has no resource utilization and is idle or powered off.
* Bully: The VM has high resource utilization and causes contention for other VMs.
To identify a bully VM, the administrator can use Prism Central to view the VM Profile dashboard and filter by profile type. The dashboard shows the number of VMs in each profile type, as well as their resource consumption andefficiency score. The administrator can also drill down into each VM to see its detailed metrics and recommendations for optimization.
質問 # 32
Refer to exhibit:
Why has an anomaly been triggered?
- A. Observed IOPS exceed normal values.
- B. Controller reached 2500 IOPS.
- C. Observed values do not match predicted values.
- D. Normal Controller behavior has increased.
正解：C
解説：
Nutanix anomaly detection is a feature that monitors seasonal trends for time-series data (e.g. CPU usage, memory usage, latency, etc.) and establishes a "band" of expected values based on historical data12. Only values that hit outside the "band" will trigger an event / alert1.
Nutanix leverages a method for determining the bands called 'Generalized Extreme Studentized Deviate Test'.
A simple way to think about this is similar to a confidence interval where the values are between the lower and upper limits established by the algorithm.
Another web source3 shows an example of how anomaly detection works in Nutanix Prism Central. In the video, you can see that when the observed value of a metric deviates significantly from the predicted value based on historical data, an anomaly event is triggered and displayed on a chart.
Therefore, by comparing the observed values with the predicted values based on historical data, Nutanix anomaly detection can identify abnormal behavior and alert you accordingly.
質問 # 33
Where are Leap Availability Zones configured?
- A. Prism Central
- B. Controller VM
- C. Prism Element
- D. Cloud Connect
正解：A
解説：
Explanation
Terminology
* Availability Zone - it is represented by all resources (Nutanix Clusters) connected to Prism Central or Xi Leap Availability zone. Depends on the architecture, Availability zone can represent geographic territory, datacenter or server room in the datacenter. Protection policies - in protection policies you set up (RPO, Retention), rules to auto-apply policies to virtual machines
https://vmwaremine.com/2019/02/08/nutanix-leap-runbooks-part-1/#sthash.VwrzSzhQ.dpbs
質問 # 34
A two-node ROBO cluster is configured with a witness VM.
What happens when Node A goes down?
- A. All operations and services on the Node B are shut down and go into a waiting state.
- B. The cluster is unaffected and no administrator intervention is required.
- C. Node B sends a leadership request to the Witness VM and goes into single-node mode.
- D. The- cluster becomes unavailable and goes into read-only mode.
正解：C
解説：
According to the Nutanix Support & Insights, in a two-node ROBO cluster with a witness VM, if one node goes down, the other node sends a leadership request to the witness VM and goes into single-node mode. The cluster remains available and can tolerate another failure of either the witness VM or the network link.
質問 # 35
An administrator wants to expand the Failure Domain level of a cluster.
What two options are available? (Choose two.)
- A. Block
- B. Rack
- C. Node
- D. Data Center
正解：A、B
解説：
Nutanix clusters are resilient to a drive, node, block, and rack failures because they use redundancy factor 2 by default, allowing Nutanix clusters to self-heal2. Failure scenarios can be thought of in terms of fault domains, which are the physical or logical parts of a computing environment or location that are adversely affected when a device or service experiences an issue or outage3. There are four fault domains in a Nutanix cluster:
Disk, Node, Block, and Rack4. Block and Rack are two options that are available for expanding the failure domain level of a cluster. Block fault tolerance is enabled by default and ensures that data is replicated across different blocks in a cluster5. Rack fault tolerance has to be configured manually and ensures that data is replicated across different racks in a cluster4.
References: 1: Behavioral Learning Tools - Prism Central Resource Management - Nutanix 2: How Nutanix Handles Failures | Node Failure 3: Failure Domain Considerations - Nutanix Support & Insights 4:
[Understanding Fault Domains and Rack Awareness - Nutanix] 5: [Nutanix Cluster Architecture Overview - Nutanix Bible]
質問 # 36
Which three upgrades should an administrator be able to perform using Lifecycle Management? (Choose Three)
- A. BMC
- B. Hypervisor
- C. AOS
- D. HBA Firmware
- E. BIOS
正解：A、D、E
質問 # 37
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