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Nutanix NCS-Core試験は、個人のNutanix Core Infrastructure技術とコンセプトの知識をテストすることに重点を置いています。この試験では、Nutanixクラスターアーキテクチャ、ストレージおよびデータサービスの構成、ネットワーク構成、および仮想マシン管理を含む幅広いトピックがカバーされます。認証プログラムは、Nutanix Core Infrastructureソリューションの問題を監視およびトラブルシューティングする方法もカバーしています。
NCS-Core 試験は、90分以内に完了する必要がある60問の選択問題から構成されています。この試験は、Nutanix のコアインフラストラクチャに関する候補者の知識と理解をテストするように設計されています。ハイパーバイザー、ストレージ、ネットワーキング、セキュリティなどのトピックをカバーしています。この試験は、難易度が高く、Nutanix の製品とサービスについて徹底的な理解が必要です。Nutanix 認定サービスコアインフラストラクチャプロフェッショナルになることは、あなたの専門知識を証明し、IT業界におけるキャリアの見通しを向上させる絶好の方法です。
質問 # 138
An administrator is supporting a business critical environment and deploys metro availability to achieve a zero data loss configuration. The two clusters are connected by a 1GbE connection. A new workload is going to be deployed to this cluster. This workload requires a sustained 150MB/S of write throughput and 20MB/s of read throughput.
Which change must be made to deploy the workload successfully on this cluster?
- A. The workload must be configured to read at greater than 12.5MB/S.
- B. The bandwidth must be increased to support this workload.
- C. The replication frequency must be less than 60 minutes.
- D. Zero data loss nearsync must be used to support this workload.
正解：B
解説：
Ref:
質問 # 139
A customer has two mission-critical applications and needs to have them backed up to a remote location. The remote location is connected using a leased line and has an average latency of 7 ms.
Which Nutanix technology will provide the shortest RPO possible?
- A. Asyn&DR
- B. NearSync
- C. Metro Availability
- D. Leap
正解：D
解説：
Ref:
https://portal.nutanix.com/page/documents/solutions/details?targetId=BP-2005_Data_Protection:BP-2005_Data_
質問 # 140
Refer to the exhibit.
An administrator receive the warningmassages shown in the exhibit while validating cluster conversion from EXSi to AHV.
What should the administrator do to address this warning in v Center Server?
- A. Keep active adapters od different speeds as active standby
- B. Remove the standby adapters under Teaming and Failover.
- C. Remove adapters that are active but not homogeneous.
- D. Keep homogeneous adapter as active and standby
正解：D
質問 # 141
A customer wants to know the details of network validation testing.
Where can the consultant find this information?
- A. As-Built Guide
- B. Test plan
- C. Handover checklist
- D. Operations Guides
正解：C
質問 # 142
A consultant deployed a Nutanix Files cluster using separate networks for client and storage.
For testing a SMB standard share, a VM has been deployed on storage network. However, the consultant cannot access the share.
What is the cause of the issue?
- A. An iSCSI Data Services IP is not configured for the cluster.
- B. Clients on the same subnet as the storage network can only access the distributed shares.
- C. The CVM network segmentation is configured.
- D. Clients on the same subnet as the storage network cannot access the shares.
正解：D
解説：
If a VM deployed on the storage network cannot access a SMB standard share, the likely issue is that:
* Clients on the same subnet as the storage network cannot access the shares: This scenario typically occurs due to network segmentation policies or firewall rules that restrict access to the storage network from clients within the same subnet, intended to segregate traffic types for security and performance reasons.
References:
* Nutanix Bible (https://www.nutanixbible.com), specifically sections on network segmentation and Nutanix Files configurations.
* Nutanix Technical Documentation on Nutanix Files, which covers network configuration and troubleshooting issues related to file access.
質問 # 143
A VM does not have enough resources for the demand, which leads to performance bottlenecks. The VM is exhibiting one or more of following baseline values, based on the past 30 days:
* CPU usage > 90% (moderate), 95% (high)
* CPU ready time > 5%, 10%
* Memory usage > 90%, 95%
* Memory swap rate > 0 Kbps (no moderate value)
Which type of VM is being described?
- A. Over-provisioned VM
- B. Bully VM
- C. Constrained VM
- D. Inactive VM
正解：C
解説：
質問 # 144
An administrator is deploying Nutanix Files 3.5 and needs to configure the sizing of the FSVMs for an increased number of concurrent SMB connections over the default 750.
What should the administrator do?
- A. Complete the default installation change the CPU and RAM m Prism, and then log into the File Server dashboard and change the Filer Server Properties
- B. During installation, click Customize on the File Server Installation screen, change the number of connections, and finish the installation
- C. During installation, input the correct number of connections in the File Server Installation screen and complete the installation
- D. Deploy the Files VMs. power down the three FSVMs. change the CPU and RAM via Prism, and then power the three FSVMs back up
正解：B
解説：
Ref: https://portal.nutanix.com/page/documents/details?targetId=Files-v3_6:fil-file-server-manage-c.html
質問 # 145
During which part of the Knowledge Transfer does the customer learn about Nutanix basics and their environment at a high level?
- A. Technical Handoff Slides
- B. As-Built Guide
- C. Technical Checklist
- D. Support portal
正解：A
解説：
During the Knowledge Transfer phase, customers typically learn about Nutanix basics and their specific environment at a high level through "Technical Handoff Slides." This part of the training and handover process provides a broad overview of the installed solution, how it operates, and how it interacts with the existing infrastructure, making it essential for foundational understanding.References: Nutanix Bible, Nutanix University NCS-Core 6.8 learning materials
質問 # 146
A consultant is running Foundation. The cluster creation fails during the process. The host logs confirm that the nodes have been successfully imaged. The consultant decides to create the cluster manually.
Which command should the consultant use?
- A. cluster create -s IP_CVM_A, IP_CVM_B, IP_CVM_n
- B. cluster -s IP_CVM_A, IP_CVM_B, IP_CVM_n create_manual
- C. cluster -s IP_CVM_M, IP_CVM_B, IP_CVM_n create
- D. cluster -c IP_CVM_A, IP_CVM_B, IP_CVM_n
正解：A
解説：
To manually create a cluster after the nodes have been successfully imaged but the automated cluster creation fails, the correct command to use is:
cluster create -s IP_CVM_A, IP_CVM_B, IP_CVM_n
This command specifies the -s option to include the IP addresses of the Controller Virtual Machines (CVMs) on the nodes, initiating the manual cluster creation process.
References:
* Nutanix Bible (https://www.nutanixbible.com), particularly the sections on manual cluster operations.
* Nutanix University: NCS-Core 6.8 Training (https://university.nutanix.com), with detailed instructions on manual cluster commands.
質問 # 147
An alert about RX errors on eth2 on a node is reported in the cluster. The administrator logs in to theCVM in question, checks the ping_* files in the data/logs/syststats folder, and notices intermittent ping loss.
The node in question has the following network configuration:
Which action should be used to troubleshoot without disrupting the VMs running on this node?
- A. Check the port on the switch side for any errors
- B. Enable balance-s1b on br0-up and monitor if a problem persists
- C. Replace the cable from eth2 to the switch
- D. Remove eth3 from br0-up and monitor for new alerts
正解：A
質問 # 148
A three-node cluster has a Nutanix Files instance with three FSVMs.
What happens after a node failure?
- A. The affected FSVM will be restarted on another node.
- B. The affected FSVM will get live-migrated to another node.
- C. The affected FSVM will not be restarted on another node due to its agent VM setting.
- D. The affected FSVM will not be restarted on another node due to its VM-to-VM anti-affinity settings.
正解：A
解説：
Ref: https://portal.nutanix.com/page/documents/details?targetId=Files-v3_6:fil-files-high-availability-c.html
質問 # 149
An administrator deploys Exchange on a Nutanix cluster. The administrator creates two containers with RF2 configuration:
* One container for Exchange
* One container for the other VMs
The Exchange VM isexperiencing I/O performance issues.
Which changes to Storage Optimization should be used on the Exchange container to enhance I/O performance?
- A. No data reduction
- B. Post process Deduplication only
- C. Inline compression andDeduplication
- D. Inline compression and EC-X
正解：A
質問 # 150
After deployment of a Nutanix cluster, a customer has requested to validate the peak performance of the cluster.
Which tool can a consultant use to satisfy this request?
- A. Nutanix HCiBench
- B. Nutanix perfmon
- C. Nutanix X-Ray
- D. diagnostics.py
正解：C
解説：
To validate the peak performance of a deployed Nutanix cluster, the consultant can use:
* A. Nutanix X-Ray: X-Ray is a performance testing tool specifically designed for Nutanix environments, capable of simulating a variety of workloads and scenarios to measure and report on the cluster's
* performance capabilities.
References:
* Nutanix Bible (https://www.nutanixbible.com), where X-Ray and its capabilities are detailed.
* Nutanix University: NCS-Core 6.8 Training (https://university.nutanix.com), which covers performance testing and validation using X-Ray.
質問 # 151
A consultant has deployed a new Nutanix AHV cluster with Foundation. The customer requests separating the management and production traffic in the CVM.
Which feature should the consultant configure?
- A. Micro-segmentation
- B. Multi-homing
- C. Network Segmentation
- D. VLAN Tagging
正解：D
解説：
To separate management and production traffic within a Nutanix AHV cluster, VLAN Tagging is the appropriate feature to configure. VLAN Tagging allows different types of traffic to be segregated onto different network segments over the same physical infrastructure, effectively isolating management traffic from production traffic at the network level. This setup enhances security and performance by reducing the possibility of network congestion affecting critical management operations.
References:
* Nutanix Bible (https://www.nutanixbible.com), specifically the sections on networking and VLANs.
* Nutanix University: NCS-Core 6.8 Training (https://university.nutanix.com), which covers advanced network configurations including VLAN Tagging.
質問 # 152
While preparing for a new four-node cluster installation, the consultant has a Tech Review Call with the customer. The hardware is as follows:
* 4 nodes in 1 Block
* 8 x 10 GbE Ports
* 4 x 1 GbE IPMI Ports
* Adequate Ethernet ports are available
* Ethernet cables are correct and available
* Adequate rack space is available
Which remaining item must be confirmed as available onsite?
- A. Crash Cart
- B. Redundant 208v power
- C. Fibre Channel switches
- D. Redundant 110v power
正解：B
質問 # 153
A consultant is deploying a two-node cluster at a remote branch office.
Which component must be available to complete cluster configuration?
- A. Protection Domain
- B. Witness VM
- C. Prism Central
- D. Remote Site
正解：B
解説：
In the deployment of a two-node cluster at a remote branch office, the presence of a Witness VM is essential to manage the cluster quorum and data integrity in case one of the nodes fails or becomes unreachable. The Witness VM acts as an external arbitrator that helps prevent data unavailability and split-brain scenarios in a situation where the cluster nodes cannot communicate with each other. This configuration is necessary because with only two nodes, there isn't a third node to maintain quorum natively.References: Nutanix Bible, Nutanix University
質問 # 154
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 # 155
A consultant successfully installs the Foundation VM on a laptop and needs to ensure the VM can communicate externally.
Which two configuration changes should the consultant make next? (Choose two.)
- A. Run the set_foundation_ip_address application on the VM desktop.
- B. Ensure the vNIC is set to bridged adapter.
- C. Configure the static IP address through the desktop virtualization software.
- D. Open terminal and configure via ifconfig command.
正解：A、B
質問 # 156
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