更新されたのは2025年03月12日認定試験NCS-Core問題集で練習テスト問題
更新された検証済みのNCS-Core問題集と解答で合格保証もしくは全額返金
質問 # 118
A consultant creates an AHV cluster and connects the Intel X550T NICs to the top of rack switch using Twinax cables. The activity and link lights are green. The cluster cannot communicate over the 10GbE link.
What is the first command the consultant should perform to troubleshoot the issue?
- A. manage_ovs update_uplinks
- B. manage_ovs show_uplinks
- C. manage_ovs show_bridges
- D. manage_ovs show_interfaces
正解：D
解説：
When facing issues with network communication over 10GbE links, the first command to troubleshoot is manage_ovs show_interfaces. This command allows the consultant to review the operational status and settings of each network interface, including those connected via Twinax cables to the top of rack switch. This will show whether the interfaces are correctly configured and functioning, which is essential for establishing a successful network link.
References:
* Nutanix Command Reference Guide: https://portal.nutanix.com
* Nutanix Community Network Troubleshooting Tips: Nutanix Community
質問 # 119
A customer has provided the following network requirements to their consultant during a discovery session for AHV cluster deployments:
*Maximum Uptime Guest Traffic is a Hard Requirement
*Maximum Throughput for Guest is a Hard Requirement
*Link Aggregation is established at the TORs
Cluster nodes have the following network card configurations:
*2 x 40GbE Adapters
*2 x IGbE Adapters
How should the consultant satisfy these requirements?
- A. Bonded 2 x 40GbE Adapters with LACP Enabled for Storage Traffic and Guest Traffic using balance-tcp
- B. Bonded 2 x 40GbE Adapters with LACP Disabled for Storage Traffic and Guest Traffic using balance-sib
- C. Bonded 2 x 40GbE Adapters with LACP Disabled for Storage Traffic and bonded 2x1 GbE Adapters for Guest VM Traffic using active-backup
- D. Bonded 2 x 1 GbE Adapters with LACP Enabled for Storage Traffic and Bonded 2 x 40 GbE Adapters for Guest VM Traffic using balance-tcp
正解：A
解説：
To satisfy the customer's requirements for maximum uptime and throughput in an AHV cluster deployment with link aggregation at the Top-of-Rack (TOR) switches, the consultant should:
* Bonded 2 x 40GbE Adapters with LACP Enabled for Storage Traffic and Guest Traffic using balance-tcp: This configuration leverages Link Aggregation Control Protocol (LACP) to combine the bandwidth of the two 40GbE adapters, enhancing both redundancy and throughput. The balance-tcp mode ensures effective load balancing of traffic based on TCP session ensuring optimal use of available bandwidth and improved fault tolerance.
References:
* Nutanix Bible (https://www.nutanixbible.com), particularly the sections discussing network configurations and LACP.
* Nutanix University: NCS-Core 6.8 Training (https://university.nutanix.com), which covers advanced network settings for performance optimization.
質問 # 120
For a new AHV cluster installation, a customer has 20 NX-8155-G6 nodes with quad port SFP NICs.
The customer wants to meet the following guidelines:
* Take advantage of all available 10GbE links
* Achieve maximum throughput per VM
* Use of redundant ToR switches
* Fastest reconvergence during link failure
How should the load balancing be configured on the host?
- A. ovs-vsctl set port br0-up bond_mode=balance-slb
ovs-vsctl set port br0-up other_config:bond-rebalance-interval=30000
ovs-vsctl set port br0 tag=10 - B. ovs-vsctl set port br0-up other_config:lacp-fallback-ab=true
ovs-vsctl set port br0-up lacp=active
ovs-vsctl set port br0-up bond_mode=balance-tcp - C. ovs-vsctl set port br0-up bond_mode=balance-slb
- D. ovs-vsctl set port br0-up bond_mode=active-backup
ovs-vsctl set port br0-up other_config:bond-rebalance-interval=30000
正解：A
質問 # 121
A customer already has a Prism Central (PC) instance deployed in their environment and expects the consultant to unregister the old cluster before registering the new cluster What steps should the consultant take to safely and successfully unregister the customer's former cluster from PC?
- A. Login to any CVM using SSH and use the multicluster command found within NCLi, followed by the unregistration_cleanup.py script on PE and PC.
- B. Login to any PCVM using SSH and run the PE_unreglster.py script located in the Nutanix scripts directory, followed by the unregistratlon_cleanup.py script
- C. Login to the PC Web UI, locate the PE cluster and click Unregister from the Actions dropdown menu.
- D. Login to the PC Web Ul, navigate to Cluster Registrations found under settings in the Admin Center, check the box next to the desired PE. and click Remove
正解：D
解説：
To safely and successfully unregister the customer's former cluster from Prism Central (PC), the consultant should take the following steps as outlined in option D:
* Login to the Prism Central Web UI, which provides a user-friendly interface for managing multiple clusters.
* Navigate to the "Cluster Registrations" section found under the "Settings" in the "Admin Center" of the Prism Central interface.
* Check the box next to the desired Prism Element (PE) cluster that needs to be unregistered.
* Click the "Remove" button to unregister the cluster.
This method allows the consultant to cleanly and directly manage the cluster registration without needing to interact with command-line tools or scripts, making it a straightforward process that minimizes the risk of errors and ensures that the operation can be tracked and audited through the UI.
References: Nutanix Prism Central Guide, Nutanix Administration Documentation.
質問 # 122
A system administrator needs to shut down an AHV node in a Nutanix cluster without causing service disruption. The administrator checks data resiliency and verifies that the cluster can tolerate a node down.
Which three steps should the administrator perform next? (Choose three.)
正解：
解説：
Explanation
1 allow vms2 sd CVM3 sd node
質問 # 123
A CEO asks the IT administrator to provide a list of required resources to protect current workloads and the two new SQL servers from a disaster. The Nutanix environment is managed by Prism Central.
Which option explains how to meet the CEO's request?
- A. In Capacity Runway, select Optimize Resources and select all VMs that must be protected.
- B. Create a new project and assign theVMs to it to get compute and storage requirements.
- C. Create a new Recovery policy by selecting the VM that needs to be protected and get hardwarerequirements.
- D. Create a new scenario based on a new cluster based on a VM Profile and select Recommend.
正解：C
質問 # 124
Refer to the exhibit.
User 1 and User 2 belong to the AAPM group
What are two descriptions of how Files perform quota management? (Choose two.)
- A. User 2 can continue to add another 3GB file butwill receive a daily notification email.
- B. User 1 can continue to add another 5GB file but will receive a daily notification email.
- C. User 2 can add an 8GB file without receivinga notification email.
- D. User 1 can add an 8GB file to the share without receiving notification.
正解：B、C
解説：
Explanation
Ref:https://portal.nutanix.com/page/documents/details?targetId=Files-v3_6:fil-file-server-quotas-c.html#nconcep
質問 # 125
Over the period of 2 to 3 weeks, a cluster displays the following:
*Periods where Warning Alerts of memory usage over 75% are asserted
*Periods where Critical Warnings of memory usage over 90% are asserted
*Periods of slow of frozen VDI desktops have caused work stoppage or slowdown
*VDI clones have periodically not powered up when called, causing work stoppage Which steps should be used toprioritize the administrator's troubleshooting efforts?
- A. *Assess resource health on Hardware page
*Review the Analysis page for memory usage demand
*Determine the VDI workload-to-host affinity across the cluster - B. *Check Analysis page for CPU demand
*Verify VDI workload property for memory subscription
*Review theHardware page to determine if the cluster has sufficient RAM - C. *Analyze Alert Pages for a root cause of memory problem
*Analyze VM table page to access the VM functionality
*Analyze the VDI Clone properties for possible VDI Workload stress - D. *Review Analysis Page for memory use pattern
*Alert with VDI workload demand
*Analyze current and future workload in the Capacity Runaway tab for sufficient resources
正解：D
質問 # 126
Refer to the exhibit.
A consultant is installing AOS 5.10 and ESXi 6.5 on three nodes. During the Foundation process, ESXi 6.5 is not available as one of the choices for hypervisor.
Which solution should the consultant use?
- A. Update the Foundation whitelist from the support portal.
- B. Restart Foundation VM and refresh Foundation page.
- C. Upload ESXi image to /home/Nutanix/foundation/nos/hypervisor/esx.
- D. Upload ESXi image to /home/Nutanix/foundation/isos/hypervisor/esx.
正解：D
質問 # 127
A customer racks all nodes in the new cluster. The customer does not allow IPv6 for node discovery.
The consultant is not allowed to use the consultant's own flat switch in the customer's environment.
Which step should the consultant take to resolve this issue?
- A. Bare metal image all nodes with Foundation VM.
- B. Open a console to all nodes and statically assign IP addresses.
- C. Image each node individually with Foundation VM.
- D. Connect to the top of rack switch and discover the nodes with IPv4.
正解：D
解説：
In environments where IPv6 is not allowed for node discovery and the use of an external flat switch by the consultant is also restricted, the viable approach is to connect to the top of rack switch and discover the nodes using IPv4. This method aligns with the customer's networking policies and leverages the existing network infrastructure to facilitate the discovery and configuration of the nodes within the Nutanix cluster.References:
Nutanix Bible, Nutanix University NCS-Core 6.8 resources, and Nutanix official guidelines on node discovery using IPv4.
質問 # 128
A guest VM is reported to have poor storage performance. It has an I/O profile of 80% read. 20% write, and the HDDs form more than 50% of the read source.
What should an administrator do to resolve this issue?
- A. Use HDDs with higher RPM
- B. Increase SSD capacity
- C. Increase the OPLOG
- D. Increase the write cache
正解：B
解説：
Ref:
https://portal.nutanix.com/page/documents/solutions/details?targetId=BP-2126-SAS-on-Nutanix:BP-2126-SAS-o
質問 # 129
A customer wants to expand an existing cluster with three additional nodes. After running the Foundation process on the new nodes, the customer realizes that the wrong IPs where used and the nodes are configured on a different network. The customer decides to create a new cluster instead.
Which method should be used to recreate the cluster?
- A. Foundation all nodes again and create the cluster.
- B. Log into CVM and use cluster create command to create the cluster.
- C. Log into Hypervisor and use cluster create command to create the cluster.
- D. Log into IPMI and use cluster create command to create the cluster.
正解：B
質問 # 130
After a consultant runs a bare metal Foundation, the imaging process fails.
In which two locations can the consultant find the logs? (Choose two.)
- A. On the Hypervisor - /home/nutanix/foundation/logs
- B. On the CVM - /home /nutanix/foundation/logs
- C. On the Foundation VM - /home/nutanix/foundation/logs
- D. View Logs link on the Foundation Imaging progress screen
正解：C、D
解説：
After a failed bare metal Foundation imaging process, the consultant can find relevant logs in two primary locations: on the Foundation VM at "/home/nutanix/foundation/logs" and via the "View Logs" link available on the Foundation Imaging progress screen. These logs are crucial for diagnosing issues during the imaging process as they provide detailed error messages and operational data.References:
* Nutanix University - NCS-Core 6.8 Learning Path
* The Nutanix Bible, Foundation chapter (https://www.nutanixbible.com/)
質問 # 131
A consultant finishes creating a new ESXi cluster. The consultant connects to the nodes via laptop and a personal flat switch. The host/CVM network is on VLAN 23. The customer has the native VLAN on the ToR switches set to 23.
The customer wants to use LACP. Before placing the nodes on the customer network, the consultant tags VLAN 23 for each host and CVM. The consultant connects the nodes to the customer network and finds that they are unreachable.
What is causing this issue?
- A. The host and CVM are incorrectly configured.
- B. Under the vSwitch0 settings, the consultant did not select Route based on IP hash.
- C. The hosts have not been migrated to a vSphere Distributed Switch.
- D. The customer has LACP fallback enabled on switch ports.
正解：C
質問 # 132
Refer to the exhibits.
An administrator has reported that a new VM is not performing well.
After analyzing the information presented in the exhibits, which option shows the best conclusion regarding this workload?
- A. VM is not CPU constrained, because the VM is not running, a multithreaded application.
- B. VM is CPU constrained since the hypervisor cannot provide the required resources.
- C. VM is CPU constrained because more CPU needs to be added to the VM.
- D. VM is Storage constrained, because the workload is waiting for storage access.
正解：D
質問 # 133
A consultant is unable to install virtualization software on a laptop.
Which two versions of Foundation can be used to resolve this issue? (Choose two.)
- A. Foundation Applet
- B. Foundation Portable
- C. Foundation Central
- D. Foundation VM
正解：A、B
解説：
When a consultant is unable to install virtualization software on a laptop, the most suitable versions of Foundation to resolve this issue would be Foundation Portable (Option B) and Foundation Applet (Option D).
Both these versions are designed to be used in environments where installing additional virtualization software might not be feasible. Foundation Portable can be run from a USB drive, and the Foundation Applet is a Java-based tool that can run directly on a host machine without the need for a full virtual machine environment.References: Nutanix Foundation Installation Guide, Nutanix Support Portal.
質問 # 134
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