[2025年02月] 問題集簡単概要NCS-Core試験問題Fast2test
NCS-Coreトレーニング認証最新版をゲットNCS Professional
質問 # 82
A VM is exhibiting one or more of the following baseline values based on the past 30 days:
* CPU usage < 20%
* CPU ready time < 5%
* Memory usage < 50% (moderately) or < 20% (severely)
* Memory swap rate = 0 Kbps
Which type of VM is being described?
- A. Constrained VM
- B. Bully VM
- C. Inactive VM
- D. Over-Provisioned VM
正解：D
解説：
質問 # 83
An administrator recently added in 3 nodes to an existing 5 node cluster. While 1 node came with its own block, theother 2 nodes where added to an existing share. After adding the nodes, the administrator sees that the hardware tab displays the correct number of nodes, but incorrect position in the diagram tab.
What should the administrator do to resolve the issue?
- A. Check the factory_config.json for all 3 nodes
- B. SSH into CVM and perform genesis restart on each CVM
- C. Check the factory_config. json for the two single nodes.
- D. SSH into the CVMs and run genesis acropolis stop; cluster start
正解：C
質問 # 84
Anadministrator recently added VLAN 205 CRM in Prism Element. The workloads attached to the associated NICs are unable to establish network connectivity.
Which Layer 2 protocol allows the administrator to troubleshoot this issue from Prism Element?
- A. HDLC
- B. LACP
- C. SUP
- D. LLDP
正解：D
解説：
質問 # 85
From a hypervisor, which IP address should the consultant use to connect to the locally tossed on?
- A. 192.168.1.254
- B. 172.16.19.2
- C. 10.100.5.5
- D. 192.168.5.254
正解：D
解説：
When configuring network settings for a hypervisor or accessing local services hosted on it, the IP address must be reachable from the network configuration you are currently using. Given the generic nature of the options, the correct choice typically depends on the subnet used for management purposes, which often uses a standard private address. "192.168.5.254" is a common choice for local network configurations and is likely set up as the gateway or a primary network interface on the hypervisor.References:
* Nutanix University - NCS-Core 6.8 Learning Path
* The Nutanix Bible, Network Configuration chapter (https://www.nutanixbible.com/)
質問 # 86
A customer needs a DR solution designed around the following requirements:
* There are 8 ms of latency between Sites A and B
* The administrator needs the shortest RPO/RTO possible
* Application consistent snapshots are required
* Use of NutanixVSS
Which Data Protection Method should be used?
- A. Cloud Connect
- B. Async
- C. Near Sync
- D. Metro Availability
正解：C
解説：
Explanation
Ref:https://portal.nutanix.com/page/documents/details?targetId=Prism-Element-Data-Protection-Guide-v5_18:w
質問 # 87
For several days, an administrator notices the following alerts:
* CVM NIC Speed Low Warning Alerts
* Warning Alerts of CVM NIC not performing at optimal speed
* CVM is disconnected from the network Critical Alert
* Network Visualization page shows excessive dropped packets on CVM/Host Which steps should be taken to determine which problem should be addressed first?
- A. * Access the Hardware Page to verifyresources are available
* Analyze ail CVM Speed Alerts in the Alerts/Events page
* Analyze output for the network and interface properties and connectivity issues - B. * Review Alerts page for NIC speed alerts and alert timing
* Analyze the genesis.out log file for process failures
* Assess the NIC properties inthe Network Visualization > Host Properties page - C. * Verify Host/CVM connectivity on the Network Visualization page
* Use toverify the bridge and bond configuration
* Review alerts/events page for the CVM disconnected error - D. * Restart networking services on the CVM
* Determine the current configuration of the affected CVM via output
* Access the Alerts/Events page for the CVM network connection failures
正解：C
解説：
Explanation
Ref:https://portal.nutanix.com/page/documents/kbs/details?targetId=kA00e000000CuaDCAS
質問 # 88
Which Nutanix feature creation is described in the Knowledge Transfer?
- A. Data Protection Domain
- B. Self Service Portal
- C. Calm Blueprints
- D. REST API
正解：A
質問 # 89
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 Storage constrained, because the workload is waiting for storage access.
- C. VM is CPU constrained because more CPU needs to be added to the VM.
- D. VM is CPU constrained since the hypervisor cannot provide the required resources.
正解：B
質問 # 90
A customer has a Nutanix cluster with 10Gb connectivity via switch fabric extenders. The administrator receives NCC health check errors of latency greater than 200ms.
Which action should the administrator take to resolve the NCC errors?
- A. Replace the switch fabric extenders with 10G line rate switches
- B. Upgrade NCC and increase the vCPU of the CVM
- C. Add 2 additional 10G uplinks from the switch fabric extenders per node
- D. Upgrade NCC and increase the CVM memory by 4Gb
正解：A
解説：
Ref:
https://portal.nutanix.com/page/documents/details?targetId=System-Specs-G6-Single-Node:set-block-connect-c.
質問 # 91
In a Nutanix cluster, a Protection Domain contains 50 entities that are replicated to a remote Single Node Replication Target.
The current schedule configuration is as follows:
* Repeat every 6 hours
* Local Retention Policy 1
* Remote Retention Policy 8
* Starting time 12 am
At 8 am on Monday, the administrator discovers that a protected VM is corrupted. The latest good state was Sunday 2 pm. The administrator needs to maintain current protection.
Which strategy should the administrator use to meet these requirements?
- A. From the Remote site, restore the VM from the local snapshot by selecting the correct snapshot
- B. From the local site, restore the VM from the local snapshot by selecting the correct snapshot.
- C. From the Remote site, activate the Protection Domain, then re-protect the entity.
- D. From the local site, retrieve the correct remote snapshot, then restore the VM locally.
正解：D
質問 # 92
Refer to the exhibit.
Which IP addresses can be configured for the Foundation VM and Consultant Laptop?
- A. FVM: 10.170.16.15/20,: 10.170.16.16/20
- B. FVM: 10.170.1.2/20, Laptop: 10.170.1.12/20
- C. FVM: 10.170.25.2/24, Laptop: 10.170.25.12/24
- D. FVM: 10.170.25.15/24, Laptop: 10.170.25.16/24
正解：C
解説：
Based on the subnet assignments from the exhibit provided, the Hypervisor Management IP addresses fall within the 10.170.0.5, 10.170.0.6, 10.170.0.7 range with a subnet mask of 255.255.240.0, indicating a /20 subnet. However, the Foundation VM (FVM) and the Consultant Laptop should ideally be on the same subnet as the Controller Virtual Machine (CVM) to facilitate easy access and management. The CVM IP addresses indicated are 10.170.0.4, 10.170.0.9, and 10.170.0.10 with subnet 255.255.240.0 (/20). Thus, the appropriate choice for the FVM and Laptop that matches the subnet without overlapping with existing IPs and allows network configuration without conflicts would be in the same /24 range as suggested in option D, i.e., FVM:
10.170.25.2/24, Laptop: 10.170.25.12/24.
References:
* Nutanix Networking and Foundation Setup Guidelines
質問 # 93
An administrator needs to replace the self-signed certificate on a cluster. Which two requirements must be met as part of the process? (Choose two.)
- A. The cluster administrator must restart the interface gateway.
- B. The signed, intermediate and root certificates are chained.
- C. The existing certificate must be deleted prior to replacement.
- D. The imported files for the customcertificate must be PEM encoded.
正解：B、D
解説：
Explanation
Ref: https://portal.nutanix.com/page/documents/details?targetId=Prism-Central-Guide-Prism-v55:mul-security-ss
質問 # 94
After reviewing the questionnaire provided by a customer, the consultant is completing the Foundation Configuration on the Nutanix website. According to the customer requirements, the cluster should be prepared off site in a safe room, and moved afterwards to the datacenter.
Which configuration should the consultant implement on the Foundation VM?
- A. Add virtual switch dedicated to the IPMI network.
- B. another physical laptop port to the Foundation VM.
- C. Create a firewall rule blocking customer subnets.
- D. Prepare multi-homing with two IP addresses.
正解：A
解説：
When preparing the cluster offsite in a safe room, the consultant should ensure that the Foundation VM is correctly configured to handle IPMI networking. Implementing a virtual switch dedicated to the IPMI network within the Foundation VM environment ensures that there is a segregated and controlled network path for IPMI traffic, which is crucial for initial hardware configuration and management. This setup facilitates the secure and efficient foundation process before the cluster is moved to the data center.References: Nutanix Foundation Tool Guide, Nutanix Network Configuration Best Practices.
質問 # 95
A consultant is deploying a Nutanix cluster at a customer location. The consultant will be deploying the latest AOS along with the latest Nutanix hardware.
Which three references should the consultant review prior to this installation? (Choose three.)
- A. Release Notes
- B. Field & Security Advisories
- C. Acropolis Advanced Administration Guide
- D. End-Of-Life (EOL) Information
- E. Software Product Interoperability
正解：A、B、E
質問 # 96
A consultant successfully completes a Foundation using a flat switch. The consultant then works with the customer to move the cluster over to their production network. After the move, the CVMs and hypervisors can no longer communicate, which prevents the cluster from starting.
Which option should be used to resolve this issue?
- A. Verify that IPv6 Link Local and DHCP is enabled on all switch ports.
- B. If the IPMI is in use, check that the IPMI can ping the default gateway over IPv6.
- C. Make sure that the IPMI and CVM VLAN is manually tagged on the Host and CVM.
- D. If using VLANs, confirm the hypervisor/CVM VLAN is set as Native on the switch ports.
正解：D
質問 # 97
A customer wants to ensure that the Data Protection configuration using Protection Domains is fully functional.
The consultant has configured a protection domain for newly-created VMs with static IP addresses on multiple VLANs. The network administrator confirmed that the correct subnets exist at both physical sites.
After performing a failover operation, the virtual machines are turned back on but have no network access.
Which statement describes this issue?
- A. Remote Virtual IP addresses are missing for the Remote Site.
- B. VirtIO drivers need to be reinstalled after a failover.
- C. Network mappings are not configured for the Remote Site.
- D. Nutanix Guest Tools (NGT) are mandatory to use Data Protection.
正解：C
解説：
If after performing a failover operation the virtual machines have no network access despite the network administrator confirming the correct subnets at both sites, the likely issue is:
* A. Network mappings are not configured for the Remote Site: This configuration oversight means that although the VMs are online, they do not have appropriate network settings that correspond to the network environment at the failover site, resulting in connectivity issues.
References:
* Nutanix Bible (https://www.nutanixbible.com), specifically the sections on disaster recovery and network configurations in failover scenarios.
* Nutanix University: NCS-Core 6.8 Training (https://university.nutanix.com), covering Data Protection and failover operations.
質問 # 98
Refer to the exhibit.
An administrator logs in to Prism and sees the status shown in the exhibit within the Hardware Diagram section.
What should the administrator do?
- A. Resolve all alerts and re-import the disks to make sure there is no service disruption.
- B. Reseat all disks immediately. If this does not help, reseat the nodes.
- C. Check status of applications running on the cluster and call support
- D. Restart all CVMs for the cluster to check, confirm health and repartition and add the disks.
正解：C
質問 # 99
Which two components must be identified to validate that software compatibility requirements are met for Nutanix Cluster Installation? (Choose two.)
- A. AOS
- B. Firmware
- C. Guest OS
- D. Hypervisor
正解：A、D
質問 # 100
After a consultant runs Foundation, the imaging process fails.
In which two locations can the consultant find the logs? (Choose two.)
- A. On the CVM - /home/Nutanix/foundation/logs
- B. Logs link on the Foundation Imaging Screen
- C. On the Hypervisor - /home/nutanix/foundation/logs
- D. On the Foundation VM - /home/nutanix/foundation/logs
正解：B、D
解説：
When encountering issues during the Foundation process, such as an imaging failure, consultants need to access detailed logs to diagnose the problem. Two primary locations for these logs include the direct link accessible via the Foundation Imaging Screen, which provides real-time logs during the imaging process, and the Foundation VM directory at /home/nutanix/foundation/logs. These locations offer comprehensive log data essential for troubleshooting and resolving imaging issues. References: Nutanix Foundation documentation and troubleshooting guides from the Nutanix Bible and Nutanix University training resources.
質問 # 101
The networking team makes changes to the Top of Rack switches to which the Nutanix cluster are attached. A few VMs are able to communicate with each other on the same node but are unable to connect to other parts of the network.
What is the likely cause of this issue?
- A. There is a VLAN misconfiguration on the switch.
- B. The vNIC port is disconnected on the affected VMs.
- C. Jumbo Frame are misconfigured across ports.
- D. There is a VLAN misconfigurationon the VMs.
正解：A
質問 # 102
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