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Nutanix NCS-Core certification exam is an excellent way for IT professionals to demonstrate their skills and knowledge in the field of core infrastructure. Nutanix Certified Services Core Infrastructure Professional certification is highly regarded in the IT industry and is recognized by leading organizations worldwide. IT professionals who are preparing for the exam should be prepared to spend a significant amount of time studying and preparing for the exam to ensure they have the skills and knowledge required to pass the exam and earn the certification.
NEW QUESTION # 98
An administrator receives an alert in Prism indicating that interface eth2, on an AHV host is receiving many CRC errors. After togging into the problematic host, the following command is run to show the indicated output:
What is causing this issue?
- A. A physical layer network problem
- B. The interface is incorrectly configured with Jumbo Frames
- C. Incorrect link speeds on the switch
- D. A misconfigured bond
Answer: B
Explanation:
Ref:
rx_crc_errors are caused either by faults in layer 1 (in the past, we have seen failed twinax cables and incorrect types of fibre being used), or issues with jumbo frames on the network. In an environment with 10 Gig switches that use cut-through forwarding (Cisco Nexus, Arista, Cisco devices using IOS default to Store and Forward switching), any packets that come into the switch will get forwarded out the destination interface once the switch has read the destination MAC address. If that packet has an MTU over what is configured on the interface, it will cut off the packet at the designated MTU, causing the server to receive a malformed packet, which will throw a CRC error.
If you have a layer 1 issue, you will see rx_crc_errors, not on all but one or two nodes.
NEW QUESTION # 99
An administrator needs to migrate workloads from a Nutanix cluster running VMware ESXi to Nutanix AHV.
The migration process needs to be completed in multiple VM groups and support roll back in caseany problems are found during user acceptance testing.
Which action should the administrator perform?
- A. Use Cross Hypervisor DR to replicate VMs from ESXi to AHV
- B. Usestorage live migration
- C. Use Nutanix one-click cluster conversion from ESXi to AHV
- D. Use VMware Converter
Answer: C
Explanation:
Explanation
Ref:https://next.nutanix.com/installation-configuration-23/convert-existing-nutanix-vmware-cluster-to-nutanix-o
NEW QUESTION # 100
A customer needs a 20-node cluster built. The consultant only has a 16-port flat network switch, and the customer is using VLAN tagging for the hosts and CVMs.
How should the consultant create the cluster?
- A. Create a separate four-node cluster.
- B. Connect the cluster to the production network.
- C. Create the Nutanix cluster manually.
- D. Set VLAN tags on all hosts and CVMs.
Answer: C
Explanation:
Given the constraint of a 16-port switch for a 20-node cluster, the consultant cannot physically connect all nodes to the network simultaneously. VLAN tagging allows multiple virtual networks to be carried over the same physical network. However, the challenge here is not about VLANs but the physical limitation of ports.
The practical approach would be to manually create the cluster, potentially in stages, as the full network capacity required for all nodes is not available.References:
* Nutanix University - NCS-Core 6.8 Learning Path
* The Nutanix Bible, Networking chapter (https://www.nutanixbible.com/)
NEW QUESTION # 101
An organizations Nutanix Cluster is based on VMware vSphere. The cluster is configured to download software updates automatically. The administration needs to verify and eventually upgrade VMware hypervisor via Prism Ul.
After logging in to Prism, the administrator receives the message shown:
No available versions for upgrade
What is causing the current state?
- A. The cluster is unable to connect to reIease-api.nutanix-ccm:8D.
- B. The environment is running the latest vSphere version, so no update is required.
- C. VMware support has expired, so downloads are not available.
- D. vSphere binaries need to be manually uploaded.
Answer: B
Explanation:
Explanation
ref:https://portal.nutanix.com/page/documents/details?targetId=Web-Console-Guide-Prism-v510:upg-hypervisor
NEW QUESTION # 102
A consultant is discussing VLAN tagging for a newly deployed Nutanix system. The customer requests that the the vlan dor the CVMs and AHV hosts be placed in the customer's management VLAN 10. The customer also has VLAN 20 for production VM traffic and VLAN 30 for backup/replication traffic.
Which VLAN should the consultant recommend for CVM and host traffic?
- A. VLAN 20
- B. VLAN 20
- C. VLAN 0
- D. VLAN 10
- E. VLAN 30
Answer: D
Explanation:
For a newly deployed Nutanix system where the customer has specified VLAN 10 for management traffic, the consultant should recommend using VLAN 10 for both CVM and AHV host traffic. This VLAN designation ensures that all management, monitoring, and internal cluster communication are on a dedicated network, separate from production VM traffic (VLAN 20) and backup/replication traffic (VLAN 30), thereby enhancing network security and performance.References:
* Nutanix University - NCS-Core 6.8 Learning Path
* The Nutanix Bible, Network Configuration chapter (https://www.nutanixbible.com/)
NEW QUESTION # 103
A customer has Metro Availability configured in Automatic Resume Mode between Site A and Site B What happens to VMs if Primary Site A has full network failure?
- A. VMs continue to run on Site A following an automatic disable of protection domains.
- B. An administrator must unwitness in Site B and promote protection domains in Site B for VMs to restart
- C. An administrator must promote protection domains in Site B for VMs to restart.
- D. Automatic protection domain promotion in Site B. VMs automatically restart in Site B
Answer: D
Explanation:
Ref:
https://support-portal.nutanix.com/page/documents/details/?targetId=Web-Console-Guide-Prism-v55:sto-metro-a
NEW QUESTION # 104
An administrator is deploying a three-tier application on a Nutanix Enterprise Cloud consisting of web, application, and database VMs. Traffic between theservers must be limited to specific services/ports. There is an application layer firewall VM deployed on one host in the cluster.
In which way should the administrator meet this requirement?
- A. Categorize the VMs in Prism Central and utilize Flow to set a security policy
- B. Separate the web. application and database VMs on to dedicated VLANs
- C. Create a network for each type of VM, and use policy-based routing to control the traffic flow
- D. Configure a security policy and service chain redirecting the server traffic through the firewall
Answer: A
NEW QUESTION # 105
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 -s IP_CVM_M, IP_CVM_B, IP_CVM_n create
- B. cluster -c IP_CVM_A, IP_CVM_B, IP_CVM_n
- C. cluster -s IP_CVM_A, IP_CVM_B, IP_CVM_n create_manual
- D. cluster create -s IP_CVM_A, IP_CVM_B, IP_CVM_n
Answer: D
Explanation:
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.
NEW QUESTION # 106
A consultant is preparing to add new nodes into an existing cluster. The current cluster AOS version is 5.8.
The new expansion node is currently running AOS 5.9 code. The cluster must continue to run at its current AOS version.
Which method can be used to successfully add the node?
- A. Use the CLI and enter cluster add-node node-serial="node_serial".
- B. Use Prism Element to Expand the cluster and select the re-image option.
- C. Upgrade the cluster to 5.9 and add the node through Prism Element.
- D. Use Prism Element, which will downgrade the node by default during the node add process.
Answer: B
Explanation:
When adding a new node with a higher AOS version (5.9) into an existing cluster running an older version (5.8), the recommended method is to use Prism Element to expand the cluster and select the re-image option.
This process involves re-imaging the new node to the AOS version currently running in the cluster (5.8), ensuring compatibility and stability across the cluster without requiring an overall upgrade to a newer version.
This approach maintains the cluster's operational integrity while integrating the new hardware.References:
Nutanix Bible, NCS-Core 6.8 official training materials, and Nutanix support documentation on cluster expansion.
NEW QUESTION # 107
An administrator needs to forecast infrastructure requirements for a new program and its associated applications. Prior to the projected start of the new program, all existing applications will be decommissioned.
How should the administrator perform this task?
- A. Check the Disregard Existing Nodes radio button in the Runway scenario.
- B. Add up the recovered workloads and manually remove from the Runway configuration.
- C. Check the Disregard Existing Workloads radio button in the Runway scenario.
- D. Power down the workloads during a maintenance window and run the Capacity Runway.
Answer: C
NEW QUESTION # 108
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. Zero data loss nearsync must be used to support this workload.
- B. The bandwidth must be increased tosupport this workload.
- C. The replication frequency must be less than 60 minutes.
- D. The workload must be configured to read at greater than 12.5MB/S.
Answer: B
Explanation:
Explanation
Ref:
NEW QUESTION # 109
A consultant configures an ESXi cluster which will utilize a vSphere Distributed Switch (vDS). The consultant has just migrated the first host to the dvSwitch when several alerts appear within Prism Element regarding Host-to-CVM connectivity.
What is causing these alerts?
- A. The consultant migrated the CVM Backplane and VM network adapter over to the vDS.
- B. VLAN tags are incorrectly configured on the vDS port groups.
- C. The consultant migrated the CVM Backplane network adapter over to the vDS.
- D. The consultant migrated the CVM svm-iscsi-pg network adapter over to the vDS.
Answer: A
Explanation:
When migrating an ESXi host to a vSphere Distributed Switch (vDS), it's crucial to correctly configure network adapters, including those for the Controller Virtual Machine (CVM). If the consultant migrated both the CVM backplane and the VM network adapter to the vDS, this could disrupt host-to-CVM connectivity if not configured correctly on the vDS. Such a setup requires precise configuration of network settings and VLAN tags to maintain seamless connectivity and avoid communication alerts in Prism Element.
NEW QUESTION # 110
An administrator has two clusters: Site A and Site B.
Async DR is configured between the clusters as follows:
* Site A is the Primary Site
* Site B is the Secondary inactive Site, no VMs running
* Site A is fully in Production
* Site B used as Backup/Disaster Recovery
The customer wants to perform a planned failover between the sites.
How should the administrator accomplish this?
- A. Click Activate on the Secondary site within the Data Protection Dashboard
- B. Choose Migrate on the Secondary site within the Data Protection Dashboard
- C. Click Activate on the Secondary site and run deactive NCLI command on Primary site
- D. Choose Migrate on the Primary site within the Data Protection Dashboard
Answer: D
Explanation:
Ref:
https://portal.nutanix.com/page/documents/details?targetId=Web-Console-Guide-Prism-v510:wc-protection-dom
NEW QUESTION # 111
A consultant wants to expand a Nutanix cluster based on Dell PowerEdge servers and notices the nodes have arrived software-less.
Which two actions should the consultant take to expand the cluster? (Choose two.)
- A. Use Expand cluster to expand duster.
- B. Return nodes to factory for imaging.
- C. Image nodes using Foundation VM/App.
- D. Use Expand cluster to image the nodes.
Answer: A,C
Explanation:
For expanding a Nutanix cluster with software-less Dell PowerEdge servers, the consultant should: A. Image nodes using Foundation VM/App. This tool is designed for initial imaging and configuration of Nutanix nodes, including software installation, which is necessary since the nodes arrived without any software. B. Use the Expand cluster functionality within the existing Nutanix environment once the nodes are imaged. This feature will integrate the newly imaged nodes into the existing cluster, enhancing the cluster's capacity and performance. Options C and D are not applicable as returning nodes to the factory for imaging is unnecessary with the availability of the Foundation tool, and "Expand cluster to image the nodes" is not a correct procedure as imaging must be completed before expansion.References: Nutanix Foundation Tool Documentation, Nutanix Cluster Expansion Guide.
NEW QUESTION # 112
A customer has engaged a Nutanix consultant to deploy a cluster consisting of two NX-3460-G6 blocks. The consultant arrives at the customer site and fines the following:
* One rack with a total of 5U available
* Two ToR switches with 14 total available ports
* Dual PDUs with six available sockets
What will prevent the consultant from successfully installing the cluster?
- A. Insufficient rack space for block installation.
Insufficient sockets for power allocation. - B. Insufficient network ports for communication.
Insufficient sockets for power allocation. - C. Insufficient network ports for communication.
Rack space may not be continuous. - D. Insufficient network ports for communication.
Insufficient sockets for power allocation. - E. Insufficient sockets for power allocation.
Rack space may not be continuous.
Answer: A
Explanation:
To determine the correct answer, you must evaluate the requirements for installing a Nutanix NX-3460-G6 block. Each block typically occupies 2U of rack space. Since the customer has two blocks, a total of 4U is required, which fits within the available 5U rack space. Additionally, each block requires two power sockets (one for each node in the block), totaling four sockets. Since there are six available sockets, there is enough power availability. Therefore, the primary constraints are adequately met in terms of rack space and power sockets. The mention of network ports and their sufficiency is not required here, as it isn't the limiting factor based on the details provided.
References:
* Nutanix Bible (https://www.nutanixbible.com)
* Nutanix University: NCS-Core 6.8 Training (https://university.nutanix.com)
* Nutanix Deployment Guide
* Nutanix Hardware and Installation Guide
NEW QUESTION # 113
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. Create a new scenario based on a new cluster based on a VM Profile and select Recommend.
- 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. In Capacity Runway, select Optimize Resources and select all VMs that must be protected.
Answer: C
NEW QUESTION # 114
An administrator is deploying several new application VMs to a Nutanix cluster. The application is very transactional with a 28/72 random, read/write ratio.
What should the administrator do?
- A. Add one large SSD to each node and enable Flash Mode for the VMs.
- B. Add a minimum of four SSDs to each node to ensure all writes go to the SSDs.
- C. Add a minimum of four virtual disks to each VM, and aggregate them on guest OS level.
- D. Add one large virtual disk to each VM. and use it for all application data.
Answer: C
Explanation:
Ref: https://next.nutanix.com/server-virtualization-27/iops-latency-issue-1168
NEW QUESTION # 115
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Nutanix NCS-Core is a certification exam that validates the skills and knowledge of professionals in the field of core infrastructure services for Nutanix enterprise cloud solutions. NCS-Core exam is designed to test the ability of candidates to deploy, configure, and manage Nutanix core infrastructure services such as storage, networking, and virtualization. Nutanix Certified Services Core Infrastructure Professional certification is intended for those who aspire to become Nutanix Certified Services Core Infrastructure Professionals.
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