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質問 # 28
An administrator has set up a local web server accessible to the Nutanix clusters.
Which two steps are required to set up LCM for an environment without Internet access? (Choose two.)
- A. Edit LCM Advanced Settings m Prism Central and enter the address of the web server.
- B. Download the lcm_dark_site_version. tar . gz LCM bundle from the support portal.
- C. Download the lcai_disconnecced_version. tar.gz LCM bundle from the support portal.
- D. Edit LCM Advanced Settings in Prism Element and enter the address of the web server.
正解：B、D
質問 # 29
Which method can be used to migrate a VM configured for UEFI-boot from a Nutanix Hyper-V cluster to AHV?
- A. Storage vMotion
- B. Live Migration
- C. Cloud Connect
- D. Nutanix Move
正解：D
解説：
Nutanix Move is a tool that allows you to migrate VMs from different sources to Nutanix AHV with minimal downtime and complexity. Nutanix Move supports migration from Hyper-V to AHV, including VMs configured for UEFI-boot. UEFI stands for Unified Extensible Firmware Interface, which is a standard for the software interface between the operating system and the firmware. UEFI-boot is a mode of booting that uses UEFI instead of BIOS (Basic Input/Output System) to load the operating system. UEFI-boot offers some advantages over BIOS-boot, such as faster boot time, larger disk support, and better security features1.
To migrate a VM configured for UEFI-boot from a Nutanix Hyper-V cluster to AHV, you need to use Nutanix Move and follow these steps2:
Download and deploy the Nutanix Move appliance on the AHV cluster.
Log in to the Nutanix Move web console and add the source Hyper-V environment and the target AHV environment.
Create a migration plan and select the VMs that you want to migrate. You can choose either automatic or manual preparation mode for the migration.
Start the migration plan and monitor the progress. The migration plan will perform data seeding, which is the process of copying the VM data from the source to the target in the background.
When the data seeding is complete, perform a cutover, which is the process of shutting down the source VMs and powering on the target VMs. The cutover will also configure the boot device for the UEFI-boot VMs on AHV.
Verify that the migrated VMs are working as expected on AHV.
質問 # 30
What is the default network bond setting for an AHV host configuration?
- A. active-backup
- B. active-active
- C. balance-slb
- D. balance-tcp
正解：A
解説：
https://next.nutanix.com/blog-40/network-load-balancing-with-acropolis-hypervisor-6463
質問 # 31
An administrator notices that most of the VMs in the cluster are on one host. Users report that an application seems to respond slowly. The application server VM has significantly more memory assigned to it than other VMs.
How should the administrator fix this issue?
- A. Increase the memory on the CVM.
- B. Migrate the VM to a different host.
- C. Reduce the amount of memory assigned to the VM.
- D. Add more memory to the VM.
正解：B
質問 # 32
An administrator is preparing to deploy a new application on an AHV cluster, Security requirements dictate that all virtual servers supporting this application must be prevented from communicating with unauthorized hosts.
Which option would achieve this goal?
- A. Create a new Application Security Policy restricting communication to the authorized hosts and apply it to the servers in enforce mode.
- B. Create new' subnet and assign to an existing VPC assign the IP prefix and gateway for the subnet, deploy servers with vNlC5 in the new subnet.
- C. Create a new solation Environment policy apply it to the new servers and all authorized hosts.
- D. Create a new VLAN, create a subnet on the cluster with the VLAN tag, deploy servers with vNlCs in the new subnet.
正解：A
解説：
An Application Security Policy is a security feature in Nutanix AHV that can be used to restrict network communication between virtual servers based on a variety of criteria, such as IP address, port, and protocol.
By creating a policy that restricts communication to authorized hosts and applying it to the servers in enforce mode, the administrator can prevent unauthorized communication between virtual servers.
https://www.nutanix.com/products/ahv
質問 # 33
The Stargate service becomes unavailable on a single CVM on an AHV node. What is used to maintain I/O operations in the cluster?
- A. Route injection
- B. iSCSl redirector
- C. Hypervisor HA
- D. ha.py
正解：A
解説：
According to the Nutanix Support & Insights web search result1, route injection is used to maintain I/O operations in the cluster when the Stargate service becomes unavailable on a single CVM on an AHV node.
Route injection is a mechanism that allows the CVMs to communicate with each other and redirect the I/O requests to another healthy CVM in the cluster. Route injection uses the Linux kernel routing table to add or delete routes dynamically, based on the availability of the Stargate service on each CVM.
質問 # 34
Refer to exhibit:
What could be the cause for this behavior?
- A. RBAC is configured and the administrator's user doesn't have the right privileges.
- B. The files were ISO but were uploaded as disk images hence cannot be used or edited.
- C. Images are corrupted and must be re-uploaded.
- D. Images were imported into Prism Central.
正解：D
解説：
According to Nutanix Support & Insights1, image create, update, and delete (CUD) behavior depends on whether a cluster (also known as Prism Element) is registered to Prism Central. Images created on a Prism Element reside on Prism Element and can be managed from Prism Element. For better centralized management, you can migrate images manually to Prism Central by using the image import feature.
質問 # 35
Refer to the exhibit.
Which two initial cluster configuration tasks were missed during the deployment process? (Choose two.)
- A. Host password changes
- B. Password policy changes
- C. CVM password changes
- D. BIOS password changes
正解：A、C
解説：
According to the image description, the exhibit shows a screenshot of a computer screen with a table of data.
The table has 6 columns and 4 rows. The columns are labeled "Date", "Time", "Status", "Details",
"Configuration", and "Duration". The rows contain information about different configurations and their statuses. The background is a light blue color. There is a pop-up message on the bottom right corner of the screen that reads "This question has been answered. Click here to enable the edit button." Based on the table data, it seems that the screenshot is taken from the Prism Central web console, showing the results of a cluster health check report. The report shows that there are four failed checks: Host Password Policy, CVM Password Policy, NTP Configuration, and Cluster Time Skew2. These checks indicate that some initial cluster configuration tasks were missed during the deployment process.
The Host Password Policy check verifies that the host passwords are not set to default values and are compliant with the password policy defined in Prism Central3. The CVM Password Policy check verifies that the CVM passwords are not set to default values and are compliant with the password policy defined in Prism Central4. These checks are important for ensuring the security and compliance of the cluster. Therefore, changing the host and CVM passwords from their default values and following the password policy guidelines are two initial cluster configuration tasks that were missed.
References: 1: VM Details View - Nutanix Support & Insights 2: Cluster Health - Nutanix Support & Insights 3: Host Password Policy - Nutanix Support & Insights 4: CVM Password Policy - Nutanix Support & Insights
質問 # 36
Which two permission assignment tasks can be accomplished via Prism Element? (Choose two.)
- A. Grant a user permission to create and delete snapshots on a specific VM
- B. Grant an active directory group permission to perform back operations
- C. Grant a user permission to create VMs on a specific storage container
- D. Grant a user permission to view details of all VMs on a specific cluster
正解：A、D
解説：
Prism Element is a management interface that allows administrators to assign permissions to users and groups on a per-cluster, per-VM, or per-storage container basis.
https://www.nutanix.com/content/dam/nutanix/resources/support/ncp-mci-ds.pdf
質問 # 37
Refer to the exhibit.
System Non-Root Partition Usage shows a warning or critical alert The administrator needs to change the frequency of checks and alerts to respond more quickly.
Where in Prism Element should the administrator change the frequency of checks and alerts?
- A. Alerts Dashboard > Manage Checks > Schedule
- B. Health Dashboard > Manage Crocks > Frequency
- C. Alerts Dashboard > Manage Checks > Frequency
- D. Health Dashboard > Manage Checks > Schedule
正解：D
解説：
According to the Nutanix Support & Insights web search result1, the administrator can change the frequency of checks and alerts for the System Non-Root Partition Usage in Prism Element by going to the Health Dashboard > Manage Checks > Schedule. The administrator can select the check name, such as disk_usage_check, and click on Edit Schedule. The administrator can then choose the desired frequency, such as every 15 minutes, every hour, or every day, and click on Save. This will change how often the check runs and alerts are generated.
質問 # 38
When installing Nutanix Guest Tools (NGT) on an ESXi-hosted VM, which port should be enabled on the VM to allow communication with the NGT-Controller VM service?
- A. 0
- B. 1
- C. 2
- D. 3
正解：B
質問 # 39
An administrator is preparing to deploy a new application on an AHV cluster, Security requirements dictate that all virtual servers supporting this application must be prevented from communicating with unauthorized hosts.
Which option would achieve this goal?
- A. Create a new Application Security Policy restricting communication to the authorized hosts and apply it to the servers in enforce mode.
- B. Create new' subnet and assign to an existing VPC assign the IP prefix and gateway for the subnet, deploy servers with vNlC5 in the new subnet.
- C. Create a new solation Environment policy apply it to the new servers and all authorized hosts.
- D. Create a new VLAN, create a subnet on the cluster with the VLAN tag, deploy servers with vNlCs in the new subnet.
正解：A
解説：
An Application Security Policy is a security feature in Nutanix AHV that can be used to restrict network communication between virtual servers based on a variety of criteria, such as IP address, port, and protocol. By creating a policy that restricts communication to authorized hosts and applying it to the servers in enforce mode, the administrator can prevent unauthorized communication between virtual servers.
https://www.nutanix.com/products/ahv
質問 # 40
What is the minimum time a newly created Deduplication storage policy takes to apply to the VMs in the container?
- A. 30 minutes
- B. 60 minutes
- C. 5 Minutes
- D. 10 minutes
正解：B
解説：
Deduplication is a feature that reduces space usage by consolidating duplicate data blocks on Nutanix storage.
Deduplication can be enabled on a storage container for either cache or capacity, or both. Cache deduplication is performed on the data in memory and SSD, while capacity deduplication is performed on the data in HDD. Capacity deduplication is not enabled by default and is available if you have purchased a Pro or higher license2. When you enable capacity deduplication on a storage container, it takes effect after 60 minutes3.
This delay allows the system to identify the best candidates for deduplication and avoid unnecessary overhead.
質問 # 41
Refer to the exhibit.
An administrator is adding a new node to a cluster. The node has been imaged to the same versions of AHV and AOS that the cluster running, configured with appropriate IP addresses, and br0-up has been configured the same the existing uplink bonds When attempting to add the node to the cluster with the Expand Cluster function in Prism , the cluster is unable to find the new node.
Based on the above output from the new node, what is most likely the cause of this issue?
- A. The existing and the expansion node are on different VLANs.
- B. The ports on the upstream switch are not configured for LACP.
- C. There is a firewall blocking the discovery traffic from the tlu
- D. LACP configuration must be completed after cluster expansion
正解：A
解説：
The correct answer is B. The existing and the expansion node are on different VLANs.
The output shows that the new node has a br0-up bond with four interfaces: eth0, eth1, eth2, and eth3. The bond is configured with LACP active and LACP fallback set to false. This means that the bond will only work if the upstream switch supports LACP and is configured to form an LACP group with the four interfaces.
However, the output also shows that the bond has no IP address assigned to it, which indicates that the bond is not operational. One possible reason for this is that the existing and the expansion node are on different VLANs, and the upstream switch is not configured to allow the VLAN traffic on the LACP group. This would prevent the new node from communicating with the cluster and being discovered by the Expand Cluster function in Prism.
To verify this, the administrator can check the VLAN configuration on the upstream switch and compare it with the existing nodes. Alternatively, the administrator can use the "manage_ovs show_uplinks" command on an existing node and compare the output with the new node. If there is a VLAN mismatch, the administrator can either change the VLAN configuration on the switch or on the new node to match the existing nodes.
質問 # 42
Refer to the exhibit.
An administrator is adding a new node to a cluster. The node has been imaged to the same versions of AHV and AOS that the cluster running, configured with appropriate IP addresses, and br0-up has been configured the same the existing uplink bonds When attempting to add the node to the cluster with the Expand Cluster function in Prism , the cluster is unable to find the new node.
Based on the above output from the new node, what is most likely the cause of this issue?
- A. The existing and the expansion node are on different VLANs.
- B. The ports on the upstream switch are not configured for LACP.
- C. There is a firewall blocking the discovery traffic from the tlu
- D. LACP configuration must be completed after cluster expansion
正解：A
解説：
The correct answer is B. The existing and the expansion node are on different VLANs.
The output shows that the new node has a br0-up bond with four interfaces: eth0, eth1, eth2, and eth3. The bond is configured with LACP active and LACP fallback set to false. This means that the bond will only work if the upstream switch supports LACP and is configured to form an LACP group with the four interfaces.
However, the output also shows that the bond has no IP address assigned to it, which indicates that the bond is not operational. One possible reason for this is that the existing and the expansion node are on different VLANs, and the upstream switch is not configured to allow the VLAN traffic on the LACP group. This would prevent the new node from communicating with the cluster and being discovered by the Expand Cluster function in Prism.
To verify this, the administrator can check the VLAN configuration on the upstream switch and compare it with the existing nodes. Alternatively, the administrator can use the "manage_ovs show_uplinks" command on an existing node and compare the output with the new node. If there is a VLANmismatch, the administrator can either change the VLAN configuration on the switch or on the new node to match the existing nodes.
質問 # 43
Refer to Exhibit:
An administrator is trying to put a node into maintenance mode but receives the message shown in the exhibit.
What is a potential reason for this dialog?
- A. LinuxVM1 uses a Volume Group
- B. LinuxVM1 uses a vDisks stored in a RFI Datastore
- C. LinuxVM1 uses e vDisks stored in a RF3 Datastore
- D. LinuxVM1 uses a virtual GPU.
正解：B
解説：
According to the Nutanix Community1, host maintenance mode is used to safely migrate all the user virtual machines (VMs) in the host and make sure no VMs are running on the node. If a VM can't be migrated to another host, you need to shut down the VM for the host to enter into maintenance mode.
According to The Virtualist2, a storage container is a logical segmentation of a storage pool that can be mounted as an NFS datastore on ESXi hosts. You can choose a replication factor (RF) for each storage container, which determines how many copies of data are stored across different nodes.
質問 # 44
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 Virtual SCSI pass-through controller.
- B. Load the Nutanix VirtIO Serial Bus Driver.
- C. Load the VirtIO Network Ethernet Adaper.
- D. Load the Nutanix Virtual Balloon Driver.
正解：A
質問 # 45
Which two private key types are supported by the Nutanix SSL certificate implementation? (Choose two.)
- A. ED25519
- B. ECDH
- C. ECDSA
- D. RSA
正解：C、D
質問 # 46
A customer has a newly-deployed AHV cluster with nodes that have 2.x 10 GBE and 2.x interface. The customer wants to use all available network interfaces to provide connectivity to the VMs.
Which option should the administrator use to achieve this while remaining consistent with Nutanix recommendations?
- A. Create a second bond on br0 on each host and assign the 1 GbE interfaces to it.
- B. Create a second bridge on each host and assign the 1GbE interfaces to it.
- C. Createbond1 on virbr0 and add the 1GbE interfaces to it for VM use.
- D. Create separate VLANs that map 10GbE and 1GbE interfaces.
正解：B
解説：
According to the web search results, one of the best practices for Nutanix AHV networking is to create a second bridge on each host and assign the 1GbE interfaces to it3. This way, the customer can use both 10GbE and 1GbE interfaces for VM traffic, and also benefit from network isolation and redundancy.
質問 # 47
Which inefficient VM Profile can be used to identify a VM that consumes too many resources and causes other VMs to starve?
- A. Inactive VM
- B. Bully VM
- C. Constrained VM
- D. Over-provisioned VM
正解：B
質問 # 48
Refer to Exhibit:
An administrator is attempting to create an additional virtual switch on a newly deployed AHV cluster, using the two currently disconnected interfaces. The administrator is unable to select the disconnected interfaces when creating the virtual switch.
What is the likely cause of this issue?
- A. The disconnected interfaces are currently assigned to virtual switch 0,
- B. Interfaces must be assigned to virtual switches via the cli
- C. Interfaces must be connected to the network before they can be assigned.
- D. Only one interface is available on the selected hosts.
正解：C
解説：
In Nutanix AHV, when creating a virtual switch and trying to add network interfaces (NICs) to it, the NICs must be connected to the network before they can be selected and assigned to the switch. If the interfaces are showing as disconnected, the system will not allow them to be added to a virtual switch because it cannot verify their operational status or the presence of a live network connection.
It is a standard requirement for the interfaces to have physical connectivity (i.e., network cables plugged in and connected to a live switch port) so that the AHV host can detect the link status as up. Once the interfaces are connected and recognized by the host, they can then be added to a virtual switch in the Nutanix AHV.
It's important to note that while the command-line interface (CLI) is indeed a powerful tool for managing network configurations on AHV hosts, and some configurations do indeed require CLI, the inability to select disconnected interfaces is not specifically a limitation that requires the use of CLI to overcome. The focus should be on ensuring that the physical connectivity is established for the interfaces in question.
This behavior is consistent with networking best practices and Nutanix's network configuration guidelines, as detailed in the Nutanix AHV Networking Guide. This guide explains the requirements and procedures for configuring virtual switches and managing NICs in a Nutanix AHV environment.
質問 # 49
Refer to Exhibit:
Which statement is true?
- A. A critical alert will be triggered if I/O working set size goes over 6000 MB.
- B. A warning alert will be triggered after 3 anomalies have been catch.
- C. A critical alert will be triggered when there is an anomaly above 4000 MB.
- D. A warning alert will be triggered if I/O working set size goes over the blue band.
正解：C
解説：
A). This statement is incorrect because there is no static threshold set to trigger a critical alert at 6000 MB. The graph shows a peak that goes above 6000 MB, but the alert configuration below does not specify a static threshold at this value.
B). This is the correct statement. The configuration under "Behavioral Anomaly" is set to alert every time there is an anomaly, with a critical level alert set to trigger when the I/O working set size is between 0 MB and 4000 MB. The graph illustrates that the anomalies (highlighted in pink) occur when the working set size exceeds the normal range (blue band). Therefore, any anomaly detected above 4000 MB would trigger a critical alert.
C). This statement is incorrect because there is no indication that a warning alert is configured to trigger after 3 anomalies. The exhibit does not show any configuration that specifies an alert based on the number of anomalies.
D). This statement is incorrect as there's no indication that a warning alert will be triggered based on the I/O working set size exceeding the blue band. The alert settings are configured to ignore anomalies below 4000 MB and to trigger a critical alert for anomalies above this threshold.
The settings displayed in the exhibit are typically part of Nutanix's Prism infrastructure management platform, which can set various thresholds for performance metrics and trigger alerts based on those thresholds. The behavior is defined in the Prism documentation where the alert configuration is outlined.
質問 # 50
An administrator is not able to log into Prism Central by using a new Active Directory user account. After Logging with the local user, the administrator verified that Directory Services and Role Mapping setting are valid.
What is the most likely cause of this issue?
- A. User does not belong to the Administrators group.
- B. Active Directory functional level of wrong.
- C. Prism Element authentication is not configured.
- D. Change password at next logon attribute is set.
正解：A
質問 # 51
An administrator is reviewing performance of a core banking system that routinely has 20,000 concurrent users. During, business hours, the CPU on the applications servers runs at close to 100%. The administrator needs to determine if there is a performance issue specific to the app servers, the database servers, or all servers on the cluster.
Which metrics should the administrator review in Prism Analysis Graphs?
- A. Cluster IO, Network, Database and App Server CPU
- B. Cluster CPU and Memory Only
- C. Cluster IO, CPU, Memory, Network, App Server CPU
- D. Cluster IO, CPU, Memory and Database and App Server CPU
正解：C
解説：
In this case, the administrator wants to investigate the performance of a core banking system that consists of application servers and database servers. The application servers have high CPU utilization during business hours, which may indicate a bottleneck or a resource contention issue. The administrator needs to review multiple metrics in Prism Analysis Graphs to identify the root cause and determine if there is a problem with the app servers only, or with other components as well.
The metrics that are relevant for this analysis are:
* Cluster IO: This metric shows the input/output operations per second (IOPS) and throughput (MBps) of the cluster. It can help to understand if there is a high demand for disk IO from the VMs or if there is any latency or congestion in the storage layer.
* Cluster CPU: This metric shows the CPU utilization (%) and load average of the cluster. It can help to understand if there is enough CPU capacity in the cluster to handle the workload or if there is any imbalance or contention among hosts.
* Cluster Memory: This metric shows the memory utilization (%) and available memory (GB) of the cluster. It can help to understand if there is enough memory capacity in the cluster to support the VMs or if there is any pressure or swapping in the memory layer.
* Network: This metric shows the network throughput (MBps) and packets per second (pps) of the cluster.
It can help to understand if there is enough network bandwidth in the cluster to transfer data between hosts and VMs or if there is any congestion or packet loss in the network layer.
* App Server CPU: This metric shows the CPU utilization (%) and load average of each application server VM. It can help to understand if there is any variation or anomaly in the performance of each app server or if there is any correlation with other metrics.
* Database Server CPU: This metric shows the CPU utilization (%) and load average of each database server VM. It can help to understand if there is any variation or anomaly in the performance of each database server or if there is any correlation with other metrics.
質問 # 52
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