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| Section | Objectives |
|---|---|
| Multicloud Infrastructure Operations | - Hybrid and multicloud deployment models - Infrastructure lifecycle management (LCM) - Workload mobility and migration |
| Networking and Security | - Microsegmentation and security policies - Traffic flow and network troubleshooting - Virtual networking concepts (VPC, subnetting) |
| Nutanix Platform Architecture | - Prism management components - Cluster design and scalability - AHV hypervisor concepts and architecture |
| Performance and Troubleshooting | - Cluster health analysis - Performance monitoring and optimization - Issue diagnosis and remediation |
| Storage and Data Services | - Replication and disaster recovery - Storage containers and data distribution - Data protection and snapshots |
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NEW QUESTION # 15
Task 16
Running NCC on a cluster prior to an upgrade results in the following output FAIL: CVM System Partition /home usage at 93% (greater than threshold, 90%) Identify the CVM with the issue, remove the fil causing the storage bloat, and check the health again by running the individual disk usage health check only on the problematic CVM do not run NCC health check Note: Make sure only the individual health check is executed from the affected node
Answer:
Explanation:
See the Explanation for step by step solution
Explanation:
To identify the CVM with the issue, remove the file causing the storage bloat, and check the health again, you can follow these steps:
Log in to Prism Central and click on Entities on the left menu.
Select Virtual Machines from the drop-down menu and find the NCC health check output file from the list. You can use the date and time information to locate the file. The file name should be something like ncc-output-YYYY-MM-DD-HH-MM-SS.log.
Open the file and look for the line that says FAIL: CVM System Partition /home usage at 93% (greater than threshold, 90%). Note down the IP address of the CVM that has this issue. It should be something like X.X.X.X.
Log in to the CVM using SSH or console with the username and password provided.
Run the command du -sh /home/* to see the disk usage of each file and directory under /home. Identify the file that is taking up most of the space. It could be a log file, a backup file, or a temporary file. Make sure it is not a system file or a configuration file that is needed by the CVM.
Run the command rm -f /home/<filename> to remove the file causing the storage bloat. Replace <filename> with the actual name of the file.
Run the command ncc health_checks hardware_checks disk_checks disk_usage_check --cvm_list=X.X.X.X to check the health again by running the individual disk usage health check only on the problematic CVM. Replace X.X.X.X with the IP address of the CVM that you noted down earlier.
Verify that the output shows PASS: CVM System Partition /home usage at XX% (less than threshold, 90%). This means that the issue has been resolved.
#access to CVM IP by Putty
allssh df -h #look for the path /dev/sdb3 and select the IP of the CVM
ssh CVM_IP
ls
cd software_downloads
ls
cd nos
ls -l -h
rm files_name
df -h
ncc health_checks hardware_checks disk_checks disk_usage_check
NEW QUESTION # 16
Task 3
An administrator needs to assess performance gains provided by AHV Turbo at the guest level. To perform the test the administrator created a Windows 10 VM named Turbo with the following configuration.
1 vCPU
8 GB RAM
SATA Controller
40 GB vDisk
The stress test application is multi-threaded capable, but the performance is not as expected with AHV Turbo enabled. Configure the VM to better leverage AHV Turbo.
Note: Do not power on the VM. Configure or prepare the VM for configuration as best you can without powering it on.
Answer:
Explanation:
See the Explanation for step by step solution
Explanation:
To configure the VM to better leverage AHV Turbo, you can follow these steps:
Log in to Prism Element of cluster A using the credentials provided.
Go to VM > Table and select the VM named Turbo.
Click on Update and go to Hardware tab.
Increase the number of vCPUs to match the number of multiqueues that you want to enable. For example, if you want to enable 8 multiqueues, set the vCPUs to 8. This will improve the performance of multi-threaded workloads by allowing them to use multiple processors.
Change the SCSI Controller type from SATA to VirtIO. This will enable the use of VirtIO drivers, which are required for AHV Turbo.
Click Save to apply the changes.
Power off the VM if it is running and mount the Nutanix VirtIO ISO image as a CD-ROM device. You can download the ISO image from Nutanix Portal.
Power on the VM and install the latest Nutanix VirtIO drivers for Windows 10. You can follow the instructions from Nutanix Support Portal.
After installing the drivers, power off the VM and unmount the Nutanix VirtIO ISO image.
Power on the VM and log in to Windows 10.
Open a command prompt as administrator and run the following command to enable multiqueue for the VirtIO NIC:
ethtool -L eth0 combined 8
Replace eth0 with the name of your network interface and 8 with the number of multiqueues that you want to enable. You can use ipconfig /all to find out your network interface name.
Restart the VM for the changes to take effect.
You have now configured the VM to better leverage AHV Turbo. You can run your stress test application again and observe the performance gains.
https://portal.nutanix.com/page/documents/kbs/details?targetId=kA00e000000LKPdCAO change vCPU to 2/4 ?
Change SATA Controller to SCSI:
acli vm.get Turbo
Output Example:
Turbo {
config {
agent_vm: False
allow_live_migrate: True
boot {
boot_device_order: "kCdrom"
boot_device_order: "kDisk"
boot_device_order: "kNetwork"
uefi_boot: False
}
cpu_passthrough: False
disable_branding: False
disk_list {
addr {
bus: "ide"
index: 0
}
cdrom: True
device_uuid: "994b7840-dc7b-463e-a9bb-1950d7138671"
empty: True
}
disk_list {
addr {
bus: "sata"
index: 0
}
container_id: 4
container_uuid: "49b3e1a4-4201-4a3a-8abc-447c663a2a3e"
device_uuid: "622550e4-fb91-49dd-8fc7-9e90e89a7b0e"
naa_id: "naa.6506b8dcda1de6e9ce911de7d3a22111"
storage_vdisk_uuid: "7e98a626-4cb3-47df-a1e2-8627cf90eae6"
vmdisk_size: 10737418240
vmdisk_uuid: "17e0413b-9326-4572-942f-68101f2bc716"
}
flash_mode: False
hwclock_timezone: "UTC"
machine_type: "pc"
memory_mb: 2048
name: "Turbo"
nic_list {
connected: True
mac_addr: "50:6b:8d:b2:a5:e4"
network_name: "network"
network_type: "kNativeNetwork"
network_uuid: "86a0d7ca-acfd-48db-b15c-5d654ff39096"
type: "kNormalNic"
uuid: "b9e3e127-966c-43f3-b33c-13608154c8bf"
vlan_mode: "kAccess"
}
num_cores_per_vcpu: 2
num_threads_per_core: 1
num_vcpus: 2
num_vnuma_nodes: 0
vga_console: True
vm_type: "kGuestVM"
}
is_rf1_vm: False
logical_timestamp: 2
state: "Off"
uuid: "9670901f-8c5b-4586-a699-41f0c9ab26c3"
}
acli vm.disk_create Turbo clone_from_vmdisk=17e0413b-9326-4572-942f-68101f2bc716 bus=scsi remove the old disk acli vm.disk_delete 17e0413b-9326-4572-942f-68101f2bc716 disk_addr=sata.0
NEW QUESTION # 17
TASK2
The security team has provided some new security requirements for cluster level security on Cluster 2.
Security requirements:
Update the password for the root user on the Cluster 2 node to match the admin user password.
Note: The 192.168.x.x network is not available. To access a node use the host IP (172.30.0.x) from the CVM.
Output the cluster-wide configuration of the SCMA policy to desktop\output.txt before changes are made.
Enable the Advanced Intrusion Detection Environment (AIDE) to run on a weekly basis for the hypervisor and cvms for Cluster 2.
Enable high-strength password policies for the hypervisor and cluster.
Ensure CVMs require SSH keys for login instead of passwords. (SSH keys are located in the desktop\Files\SSH folder.) Ensure the cluster meets these requirements. Do not reboot any cluster components.
Note: Please ensure you are modifying the correct components.
Answer:
Explanation:
See the Explanation
Explanation:
This task focuses on Security Technical Implementation Guides (STIGs) and general hardening of the Nutanix cluster. Most of these tasks are best performed via the Nutanix Command Line Interface (ncli) on the CVM, though the SSH key requirement is often easier to handle via the Prism GUI.
Here is the step-by-step procedure to complete Task 2.
Prerequisites: Connection
Open PuTTY (or the available terminal) from the provided Windows Desktop.
SSH into the Cluster 2 CVM. (If the Virtual IP is unknown, check Prism Element for the CVM IP).
Log in using the provided credentials (usually nutanix / nutanix/4u or the admin password provided in your instructions).
Step 1: Output SCMA Policy (Do this FIRST)
Requirement: Output the cluster-wide configuration of the SCMA policy to desktop\output.txt before changes are made.
In the SSH session on the CVM, run:
Bash
ncli cluster get-software-config-management-policy
Copy the output from the terminal window.
Open Notepad on the Windows Desktop.
Paste the output.
Save the file as output.txt on the Desktop.
Step 2: Enable AIDE (Weekly)
Requirement: Enable the Advanced Intrusion Detection Environment (AIDE) to run on a weekly basis for the hypervisor and CVMs.
In the same CVM SSH session, run the following command to modify the SCMA policy:
Bash
ncli cluster edit-software-config-management-policy enable-aide=true schedule-interval=WEEKLY (Note: This single command applies the policy to both Hypervisor and CVMs by default in most versions).
Step 3: Enable High-Strength Password Policies
Requirement: Enable high-strength password policies for the hypervisor and cluster.
Run the following command:
Bash
ncli cluster set-high-strength-password-policy enable=true
Step 4: Update Root Password for Cluster Nodes
Requirement: Update the password for the root user on the Cluster 2 node to match the admin user password.
Method A: The Automated Way (Recommended)
Use ncli to set the password for all hypervisor nodes at once without needing to SSH into them individually.
Run:
Bash
ncli cluster set-hypervisor-password
When prompted, enter the current admin password (this becomes the new root password).
Method B: The Manual Way (If NCLI fails or manual access is required)
Note: Use this if the exam specifically wants you to touch the node via the 172.x network.
From the CVM, SSH to the host using the internal IP:
Bash
ssh root@172.30.0.x (Replace x with the host ID, e.g., 4 or 5)
Run the password change command:
Bash
passwd
Enter the admin password twice.
Repeat for other nodes in Cluster 2.
Step 5: Cluster Lockdown (SSH Keys)
Requirement: Ensure CVMs require SSH keys for login instead of passwords.
It is safest to do this via the Prism Element GUI to prevent locking yourself out.
Open Prism Element for Cluster 2 in the browser.
Click the Gear Icon (Settings) -> Cluster Lockdown.
Uncheck the box "Enable Remote Login with Password".
Click New Public Key (or Add Key).
Open the folder Desktop\Files\SSH on the Windows desktop.
Open the public key file (usually ends in .pub) in Notepad and copy the contents.
Paste the key into the Prism "Key" box.
Click Save.
Note: Do not reboot the cluster. The SCMA and Password policies take effect immediately without a reboot.
NEW QUESTION # 18
Task 14
The application team has requested several mission-critical VMs to be configured for disaster recovery. The remote site (when added) will not be managed by Prism Central. As such, this solution should be built using the Web Console.
Disaster Recovery requirements per VM:
Mkt01
RPO: 2 hours
Retention: 5 snapshots
Fin01
RPO: 15 minutes
Retention: 7 days
Dev01
RPO: 1 day
Retention: 2 snapshots
Configure a DR solution that meets the stated requirements.
Any objects created in this item must start with the name of the VM being protected.
Note: the remote site will be added later
Answer:
Explanation:
See the Explanation for step by step solution
Explanation:
To configure a DR solution that meets the stated requirements, you can follow these steps:
Log in to the Web Console of the source cluster where the VMs are running.
Click on Protection Domains on the left menu and click on Create Protection Domain.
Enter a name for the protection domain, such as PD_Mkt01, and a description if required. Click Next.
Select Mkt01 from the list of VMs and click Next.
Select Schedule Based from the drop-down menu and enter 2 hours as the interval. Click Next.
Select Remote Site from the drop-down menu and choose the remote site where you want to replicate the VM. Click Next.
Enter 5 as the number of snapshots to retain on both local and remote sites. Click Next.
Review the protection domain details and click Finish.
Repeat the same steps for Fin01 and Dev01, using PD_Fin01 and PD_Dev01 as the protection domain names, and adjusting the interval and retention values according to the requirements.
NEW QUESTION # 19
Task 2
An administrator needs to configure storage for a Citrix-based Virtual Desktop infrastructure.
Two VDI pools will be created
Non-persistent pool names MCS_Pool for tasks users using MCS Microsoft Windows 10 virtual Delivery Agents (VDAs) Persistent pool named Persist_Pool with full-clone Microsoft Windows 10 VDAs for power users
20 GiB capacity must be guaranteed at the storage container level for all power user VDAs The power user container should not be able to use more than 100 GiB Storage capacity should be optimized for each desktop pool.
Configure the storage to meet these requirements. Any new object created should include the name of the pool(s) (MCS and/or Persist) that will use the object.
Do not include the pool name if the object will not be used by that pool.
Any additional licenses required by the solution will be added later.
Answer:
Explanation:
See the Explanation for step by step solution
Explanation:
To configure the storage for the Citrix-based VDI, you can follow these steps:
Log in to Prism Central using the credentials provided.
Go to Storage > Storage Pools and click on Create Storage Pool.
Enter a name for the new storage pool, such as VDI_Storage_Pool, and select the disks to include in the pool. You can choose any combination of SSDs and HDDs, but for optimal performance, you may prefer to use more SSDs than HDDs.
Click Save to create the storage pool.
Go to Storage > Containers and click on Create Container.
Enter a name for the new container for the non-persistent pool, such as MCS_Pool_Container, and select the storage pool that you just created, VDI_Storage_Pool, as the source.
Under Advanced Settings, enable Deduplication and Compression to reduce the storage footprint of the non-persistent desktops. You can also enable Erasure Coding if you have enough nodes in your cluster and want to save more space. These settings will help you optimize the storage capacity for the non-persistent pool.
Click Save to create the container.
Go to Storage > Containers and click on Create Container again.
Enter a name for the new container for the persistent pool, such as Persist_Pool_Container, and select the same storage pool, VDI_Storage_Pool, as the source.
Under Advanced Settings, enable Capacity Reservation and enter 20 GiB as the reserved capacity. This will guarantee that 20 GiB of space is always available for the persistent desktops. You can also enter 100 GiB as the advertised capacity to limit the maximum space that this container can use. These settings will help you control the storage allocation for the persistent pool.
Click Save to create the container.
Go to Storage > Datastores and click on Create Datastore.
Enter a name for the new datastore for the non-persistent pool, such as MCS_Pool_Datastore, and select NFS as the datastore type. Select the container that you just created, MCS_Pool_Container, as the source.
Click Save to create the datastore.
Go to Storage > Datastores and click on Create Datastore again.
Enter a name for the new datastore for the persistent pool, such as Persist_Pool_Datastore, and select NFS as the datastore type. Select the container that you just created, Persist_Pool_Container, as the source.
Click Save to create the datastore.
The datastores will be automatically mounted on all nodes in the cluster. You can verify this by going to Storage > Datastores and clicking on each datastore. You should see all nodes listed under Hosts.
You can now use Citrix Studio to create your VDI pools using MCS or full clones on these datastores. For more information on how to use Citrix Studio with Nutanix Acropolis, see Citrix Virtual Apps and Desktops on Nutanix or Nutanix virtualization environments.
https://portal.nutanix.com/page/documents/solutions/details?targetId=BP-2079-Citrix-Virtual-Apps-and-Desktops:bp-nutanix-storage-configuration.html
NEW QUESTION # 20
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