Nutanix NCS Core Prep

A customer is deploying Nutanix AHV clusters over hundreds of remote sites worldwide. Prism Central will be used to centrally manage all clusters. Customer security policy requires the use of MS Active Directory (AD) groups to authenticate all network devices. Which method should the consultant use to meet the requirements?

Integrate AD authentication on Prism Central only

A consultant is imaging a Nutanix cluster with VMware ESXi. Foundation returns an error that the media is not a supported ISO. The consultant checks the whitelist file in Foundation and confirms that the version of the ISO is not listed. Which three actions should the consultant take to resolve this issue? (Choose three.)

Obtain the MD5 checksum of the ISO and confirm MD5 checksum of ISO is listed

Replace and save whitelist file in Foundation

Download the iso_whitelist.json from the Support Portal

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 they are unreachable. What is causing this issue?

The host and CVM are incorrectly configured

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 were 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?

Log into CVM and use cluster create command to create the cluster

A consultant is running the Foundation VM using desktop virtualization software. No nodes are discovered. What should the consultant verify first?

Bridged Adapter

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?

Open a console to all nodes and statically assign IP addresses

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.)

Foundation Portable

Foundation Applet

Which Nutanix feature creation is described in the Knowledge Transfer?

Data Protection Domain

A consultant needs to review a customer’s switch port configuration to identify issues. Other customer requirements are as follows:

·         Leverage LACP

·         Native VLAN will not be used

·         Use Multiple Upstream switches

·         Use VLANs 20-25 and 30

·         LACP Fallback has been Enabled

·         VPC or MLAG has been configured

What must be included in a configuration in order to meet these requirements?

Native VLAN set to default

Ports trunked to allow all necessary VLANs

In a 20-node ESXi deployment, the customer needs addition resiliency to survive the loss of two nodes concurrently. Which configuration should the consultant use to ensure that the appropriate resources are available?

Storage reservation for 10%; HA admission control for 10%, cluster RF3

Where in the Support Portal is the Best Practices guide for vSphere Networking located?

Solutions Documentation

A consultant deploys a four-node VMware ESXi cluster and vCenter server. An HA/DRS cluster is configured for all four nodes. The customer deploys five new VMs on the cluster. During the Knowledge Transfer, a network cable on one node is removed to demonstrate HA and migration of the VMs to another host. In the HA/DRS cluster settings, the VM Restart Priority for all CVMs is set to Disabled. The customer observes warnings that the CVM on the ejected host is no longer powered on. Which ESXi HA/DRS cluster setting is missing?

Disable VM Monitoring on all CVMs

After a recent installation using a flat switch, a consultant notices issues migrating the Nutanix nodes to the customer’s network.  The customer states that they are using VLANs on the production switch but not on the dedicated switch for IPMI. The customer does not require a manual configuration of the host and CVM. What network changes need to be made to correct the issues?

Use Native VLANs for the CVM and host and access mode for IPMI

A consultant is deploying a two-node cluster at a remote branch office. Which component must be available to complete cluster configuration?

Witness VM

A consultant needs to verify the make and model of the systems that will be imaged with Foundation. The consultant does not have the Bill of Materials (BOM) available to review.  When should the consultant verify the make and model to prepare for the cluster deployment?

While conducting the Tech Review Call

A customer has a G6 AHV cluster with 4X10GbE NICs on each node and the following configuration:

·         Networking is set to default

·         Only two NICs are connected

The customer receives the following critical message:

The NIC is disconnected from the switch, or the switchport is failing.

What should the consultant verify to resolve the issue?

The other two 10GbE connections are removed from the default bond

During a six-node cluster deployment, one node fails to image successfully and Foundation is unable to automatically configure the cluster. The consultant decides to manually complete cluster formation with the successful nodes. Then expand the cluster with the remaining unconfigured node. Which command should be used to begin the process?

cluster create

After deploying an AHV cluster connected to Cisco Nexus 9k switches, unexpected network behavior is observed. The consultant needs to rule out physical network mis-cabling without returning to the datacenter. Which command from the host should the consultant run?

lldpctl

Which two components must be identified to validate that software compatibility requirements are met for Nutanix Cluster Installation? (Choose two.)

AOS

Hypervisor

A customer wants to use NIC teaming on an ESXi host using a vSphere Standard Switch configured with the Route based on physical NIC load load balancing option. The customer does not see the option with editing the Teaming and Failover settings for the switch.  How should the consultant resolve this issue?

Add a vSphere Distributed Switch

What reference materials should be provided to the customer during the Knowledge Transfer?

As-Built-Guide, technical slides and checklist, links to documentation and resources

A consultant creates a four-node AHV cluster with two 1GbE (eth0,eth1) and two 10GbE (eth2,eth3) NICs per node. The 1 GbE NICs will not be placed into service, but the customer wants the network to be pre-configured for their eventual use.  The consultant removes the 1GbE NIC from the default bond and creates a second bridge(br1), but is unable to add the 1 GbE NIC using the below command:

manage_ovs –bridge_name br1 --interfaces 1g --bond_name br1-up update_uplinks

Which parameter is missing from the command?

--require_link=false

A customer needs to meet the following requirements for their business critical application.

·         SQL Servers must be on specific hosts to lower licensing costs

·         Oracle RAC servers must be on separate hosts for licensing reasons

Which policy or policies should be implemented to meet these requirements?

Configure VM-Host affinity policy

To prepare for a new Nutanix installation, a consultant downloads the Foundation VM, imports the VM to their Desktop Virtualization Solution, and powers on the VM.  The IPv4 static address on the host workstation and the Foundation VM have been configured, but pings between them fail. Which two troubleshooting steps should the consultant perform? (Choose two.)

Verify the virtual NIC in the Foundation VM is bound to the correct physical Host adapter

Confirm the IP address and subnet masks are correct

A consultant creates three storage containers (container-1, container-2, container-3). The customer requires that only container-1, which will be utilized as an NFS datastore, be presented to external hosts.  However, users are able to mount all three containers. What is causing the problem?

A Global whitelist entry was configured

A consultant is installing Nutanix AOS on Cisco UCS. Which method should be used to install AOS on UCS hardware platforms?

Foundation VM

A consultant is onsite with a customer running Foundation VM (FVM) and discovers that there is no connectivity between the FVM and their laptop. The consultant verifies the following:

The consultant's laptop and Nutanix nodes are plugged into a flat switch

The laptop, switch, and nodes are plugged into supported power supplies

The laptop network adapters and FVM are configured with their corresponding IP addresses

What is the cause for the connectivity failure to the FVM?

Desktop Firewall is blocking ping requests

After finishing foundation on an AHV cluster, a consultant is preparing to plug into the customer network given the following set of requirements:

·         All network traffic on trunks is tagged

·         Customer is using LACP

·         A native VLAN is not in use

Which set of commands should the consultant use to ensure cluster connectivity on customer equipment?

change_cvm_vlan 10

ovs-vsctl set port br0 tag=10

ovs-vsctl set port br0-up bond_mode=balance-tcp

After imaging the nodes and creating the cluster successfully, the consultant connects the cluster to the customer network.  When logging into Prism, the events dashboard is full of errors. What is causing this issue?

The cluster was not stopped prior to connecting the customer network

A consultant is planning an installation and needs to collect configuration items to be used during the install.  The data needed from the customer are IP addresses, Gateway, DNS servers, and NTP Servers. Which Cluster Deployment document must be completed with the customer?

Questionnaire

A consultant is preparing to add new nodes into an existing cluster. The current cluster is AOS 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?

Use Prism Element to expand the cluster and select the re-image option

Based on the customer’s technical questionnaire and the nodes that the customer has bought, the consultant must use the standalone Foundation VM. Which platform did the customer buy?

Cisco UCS platform

After a consultant runs Foundation, the imaging process fails.  In which two location can the consultant find the logs? (Choose two.)

On the Foundation VM - /home/nutanix/foundation/logs

Logs link on the Foundation Imaging Screen

Where can a consultant find Nutanix Enablement Starter Packs (ESPs)?

In the Partner Portal

A customer has a new block that must be imaged. The consultant needs to utilize the Foundation Applet. Which software must be installed on the laptop to image the block?

Java

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?

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

A customer would like to re-image an existing cluster. The Foundation Applet and Foundation VM is unavailable to them. How can the consultant access Foundation-as-a-Service (FaaS)?

Through <CVM-IP>:8000

A consultant configures a Nutanix cluster and integrates the hosts into vCenter using VMware best practices. The customer has requested that the Nutanix cluster only have a single datastore.  Upon configuring the cluster per the customer requirements, vCenter displays an alert regarding the heartbeat datastore. The consultant adds the das.ignoreInsufficientHbDatastore value = true rule. The container can be seen from each host, but the alert remains active. What should the consultant do to resolve this issue?

Turn off and then turn back on HA

While trying to upgrade AOS in a cluster, a consultant receives a warning message that there are two powered-on VMs that need to be powered off for the upgrade to proceed. What would cause this warning to be issued?

Upgrading a single-node cluster requires the VMs to be shut down

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.)

Ensure the vNIC is set to bridged adapter

Run the set_foundation_ip_address application on the VM desktop

A consultant is planning a new cluster installation and needs to locate the Shared IPMI port for each of the specific nodes that the customer has bought.  Which Support Portal location contains the document that would identify the port?

Hardware Replacement Documentation

After uploading a hypervisor ISO during the Foundation process, a consultant sees a message that the MD5 sum for the hypervisor is not found in the whitelist file. Which step should the consultant take next to resolve this issue?

Download the latest hypervisor ISO whitelist file from the Nutanix portal

A customer has an ESXi Cluster with two 10GbE NICs on each node with the following requirements:

·         Solution must follow Nutanix Best Practices

·         Network configuration should be redundant

·         A vSphere Standard Switch must be utilized

Which load balancing method should be used?

Route based on originating port ID

During a cluster deployment, a consultant notices that the Health status appears Critical on the Home dashboard of the Prism Web Console. How should the consultant validate the health of the Nutanix cluster?

Health > Actions > Run NCC checks

Refer to the exhibits.

A consultant is trying to test port failover on the node shown in the first exhibit. A continuous ping test is performed to the host. The consultant shuts down one of the links, after which the host ping request times out. The consultant tries to troubleshoot the issue with the customer and sees the information shown in the second exhibit on their Cisco Switches:

What is causing the issue?

The wrong VLAN is tagged on the host

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?

Upload ESXi image to /home/Nutanix/foundation/isos/hypervisor/esx.

A consultant is creating an AOS 5.10.x cluster for a customer with four existing AOS 5.6.x clusters connected to a single Prism Central 5.6.x instance. The customer wants to upgrade their Prism Central version to 5.10.x as part of the process, but does not require the existing clusters to be upgraded. How should the consultant integrate the cluster into the existing environment?

Deploy a second Prism Central instance with 5.10.x and link the new cluster with it.

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?

If using VLANs, confirm the hypervisor/CVM VLAN is set as Native on the switch ports

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?

The consultant migrated the CVM svm-iscsi-pg network adapter over to the vDS

A consultant is deploying a Nutanix cluster at a customer location.  The consultant will be deploying the latest AOS with the latest Nutanix hardware.  Which three references should the consultant review prior to this installation?  (Choose three)

Software Product Interoperability

Release Notes

Field & Security Advisories

A consultant creates a Windows VM after installing a new Nutanix cluster running AHV. The consultant has statically assigned an IP address to the VM but it is unable to communicate on the network.  Which action should the consultant take to resolve this issue?

Confirm that the VM vNIC is tied to the correct VLAN in Prism Element

A consultant is using the Foundation applet to create a cluster. During the process the consultant refreshes the progress bar web page and is concerned when nothing loads. What should the consultant do to verify that Foundation has completed successfully?

Connect to any CVM IP address from the web browser

 A consultant runs the Foundation Applet and discovers all the nodes.  The consultant wants to use the latest version of Foundation for imaging for support purposes and to cover the latest hardware and software hypervisor support. What should the consultant do to upgrade Foundation on a node.

Use the Foundation Applet to upgrade Foundation on a single node

A consultant creates a new cluster using ESXi as the hypervisor. After creating the cluster, the consultant begins to run Life Cycle Manager (LCM) updates. During the LCM pre-checks, and error is returned.  Which configuration is causing the issue?

ESXi cluster admission control is enabled

A consultant is viewing an ESXi host via console without external network connectivity.  Which two IP addresses can be used to connect to the CVM (Choose two)

192.168.5.2

192.168.5.254

During a technical call with a customer, it is identified that this installation will be software only on Dell servers. The out-of-band management interfaces will not be given IP addresses until the consultant is onsite. Which Foundation method should be used for this type of installation?

Bare metal using iDRAC MAC addresses

What is the minimum number of nodes required for a Nutanix Cluster to support Replication Factor 3 (RF3) on a storage container?

5

A consultant is setting up a new vSphere cluster. Customer requirements are as follows:

VMs should automatically failover to another host if the host crashes

Host CPU and Memory resources should be evenly balanced

New VMs should be placed on the host with the most resources available

Which two settings should be turned on to meet the requirements? (Choose two.)

vSphere DRS

vSphere HA

A consultant is setting up a new Hyper-V cluster.  The customer requirements are as follows:

·         VMs should automatically failover to another host if the host crashes

·         Host CPU and Memory resources should be evenly balanced

·         New VMs should be placed on the host with the most resources available

Which two Hyper-V features can be used to meet the requirements?  (Choose two.)

Performance Resource Optimization

Failover Clustering

A consultant has deployed a Nutanix cluster with AOS 5.10.x, then discovers the customer’s environment is running on AOS 5.6.x. The consultant decides to re-image the cluster using the Foundation Java applet. During the Foundation discovery, all cluster nodes display a status of Unavailable. What should the consultant do to resolve the issue?

Destroy the cluster

A consultant notices while assigning VLAN tags to hosts and CVMs in a running cluster, that Prism Element displays alerts indicating a node is down.  What should the consultant do to prevent these alerts?

Stop the Nutanix cluster before changing VLANs

During the Knowledge Transfer, the customer asks where to find the details about the Nutanix environment, such as IP addresses, storage containers, and configuration. Where can the consultant find this information?

As-Built Guide

A consultant is performing a Nutanix Cluster on Dell XC Core hardware. The consultant decides to use Foundation Portable for Mac to perform the installation. When the consultant arrives onsite, Foundation Portable is unable to locate the new nodes. Which log should the consultant check to troubleshoot the issue?

Foundation.app/Contents/Resources/log

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?

manage_ovs show_interfaces

1.       Refer to the exhibit:

A consultant is deploying a cluster using the customer-provided IP addressing information.

Which option in Foundation must be configured to ensure connectivity during the deployment?

Multi-homing

A Nutanix cluster has 10TB usable storage.  The customer wants to create a 10GB datastore for ISO images to eliminate too much storage being consumed by unnecessary images.  Which setting should be used to accomplish this goal?

From Container Advanced Settings, configure 10GB for advertised capacity

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 finds 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?

Insufficient network ports for communication

Rack space may not be continuous

A customer wants to know the details of network validation testing. Where can the consultant find this information?

Test plan

A consultant is onsite and needs to start their Foundation Virtual Machine (FVM) to image Nutanix hardware. The FVM fails to boot. The consultant decides to use a different Foundation method. Assuming the nodes will discover, which Foundation type or configuration option should the consultant select?

Foundation Applet

Refer to the exhibit:

A system administrator is using the Range-Autofill tool to assign IP addresses to set up a multi-block cluster based on the following configuration:

Which additional changes must be made during the Foundation process to configure the cluster correctly?

Reorder blocks

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?

Redundant 208v power

Which subnet is reserved for internal connectivity within a Nutanix Cluster?

192.168.5.0/24

During which part of the Knowledge Transfer should the consultant demonstrate modification of the Storage Container?

Demo of Nutanix features

A consultant is using a customer’s switch for installation.  Although the 10GbE ports for each of the hosts are connected to the switch, the nodes fail to be discovered.  What is causing this issue?

IPv6 is not enabled on the switch

After installation, network ports are properly configured with the default active-backup bonding. One 10GbE port goes to switch1. Another 10GbE port goes to switch2. A consultant tests failover by manually pulling one of the cables and notices it is taking too much time to failover, which is causing excessive packet loss. What should the consultant enable to resolve this issue?

Portfast