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| Section | Objectives |
|---|---|
| Implement and Manage Security and Compliance | - Compliance frameworks - Security hardening - Access control and authentication |
| Troubleshoot and Resolve Complex Issues | - Log analysis and diagnostics - Failure recovery procedures - Cluster health management |
| Configure and Manage Nutanix Networking | - Network segmentation and microsegmentation - AHV networking configuration - Advanced networking scenarios |
| Manage and Configure Nutanix Virtual Infrastructure | - Resource scheduling and optimization - VM management and operations - AHV cluster configuration |
| Manage and Optimize Nutanix Storage | - Storage container and VDisk management - Storage optimization and efficiency - Data protection and disaster recovery |
| Deploy and Upgrade Nutanix Environments | - Foundation processes - Software and firmware upgrades - Cluster installation and configuration |
| Analyze and Remediate Performance Issues | - Troubleshooting network performance - Performance monitoring and metrics - Troubleshooting storage performance |
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NEW QUESTION # 28
An administrator is working to create a VM using Nutanix V3 API calls with the following specifications.
VM specifications:
* vCPUs: 2
* Memory: 8Gb
* Disk Size: 50Gb
* Cluster: Cluster 1
* Network: default-net
* Branding must be disabled on the VM
The API call is failing, indicating an issue with the payload:
"": [
"'metadata' is a required property",
"'spec' is a required property"
],
"message": "Request could not be processed.",
"reason": "INVALID_REQUEST"
The body is saved in desktop\API_Create_VM.txt.
Correct any issues in the text file that would prevent it from creating the VM. Also ensure the VM will be created as specified and make sure it is saved for re-use using that filename.
Deploy the VM through the API.
Note: Do not power on the VM.
Answer:
Explanation:
See the Explanation below for detailed answer.
Explanation:
Here is the step-by-step solution to correct the API payload and deploy the VM.
This task is performed using the REST API Explorer within Prism Central.
1. Get Required UUIDs
To create a VM, you first need the unique IDs (UUIDs) for the target cluster and network.
* From the Prism Central dashboard, click the question mark (?) icon in the top-right corner and select REST API Explorer.
* Find Cluster 1 UUID:
* In the API Explorer, search for and select the clusters/list (POST) endpoint.
* In the Body field, paste a simple filter: { "kind": "cluster" }
* Click Send.
* In the "Response" body, find the entry for Cluster 1 and copy its metadata.uuid value.
* Find default-net UUID:
* Search for and select the subnets/list (POST) endpoint.
* In the Body field, paste: { "kind": "subnet" }
* Click Send.
* In the "Response" body, find the entry where spec.name is default-net and copy its metadata.uuid value.
2. Correct the API Payload File
The error message "'metadata' is a required property" and "'spec' is a required property" indicates the JSON in the file is malformed and missing the required root-level objects. The file content also does not match the VM specifications.
* On the desktop, open API_Create_VM.txt in Notepad.
* Delete all existing text in the file (including the POST Call and Body: lines).
* Paste the following corrected and complete JSON payload into the file.
* Replace <UUID_for_Cluster_1> and <UUID_for_default-net> with the actual UUIDs you copied in the previous step.
JSON
{
"spec": {
"name": "API_VM_Task15",
"resources": {
"power_state": "OFF",
"num_sockets": 2,
"num_vcpus_per_socket": 1,
"memory_size_mib": 8192,
"disk_list": [
{
"disk_size_mib": 51200,
"device_properties": {
"device_type": "DISK"
}
}
],
"nic_list": [
{
"subnet_reference": {
"kind": "subnet",
"uuid": "<UUID_for_default-net>"
}
}
],
"guest_customization": {
"is_overridable": true,
"override_branding": true
}
},
"cluster_reference": {
"kind": "cluster",
"uuid": "<UUID_for_Cluster_1>"
}
},
"metadata": {
"kind": "vm"
}
}
* Save and close the API_Create_VM.txt file.
Correction Summary:
* JSON Structure: The original file was malformed. The new payload provides the required spec and metadata objects at the root level.
* vCPUs: Set to 2 sockets (2 vCPUs total).
* Memory: Set to 8192 MiB (8 GB).
* Disk: Set to 51200 MiB (50 GB) and removed the unneeded CDROM.
* Cluster/Network: Placeholders are added for the required UUIDs.
* Branding: guest_customization.override_branding: true is added to disable branding for the VM.
3. Deploy the VM via API
* Return to the REST API Explorer.
* Search for and select the vms (POST) endpoint (the one with the description "Create a new vm").
* Open the corrected API_Create_VM.txt file, copy its entire contents (which now includes your specific UUIDs).
* Paste the complete JSON payload into the Body field of the vms (POST) endpoint.
* Click Send.
The API will return a 202 Accepted response, and the VM will be created (and remain powered off) on Cluster 1.
NEW QUESTION # 29
The Database team is reporting performance degradation for a business-critical application on Saturdays.
The team is requesting monitoring of processor, memory and storage utilization for the cluster for the application: SQL01, SQL02.
The report should contain views for the following:
* At the cluster level, only for the Cluster 1: The maximum percentage of CPU used
* At the VM level, including any future VM with the prefix SQL: The maximum time taken, maximum percentage of time a VM waits to use the physical CPU, out of the total CPU The report should run on Sundays at 12:00 AM for the previous 7 days. The report should show when completed.
Create a report named SQL_Batch_Saturday that meets these requirements.
Generate an instance of the report named SQL_Batch_Saturday as a CSV and save the file.
Note: You must name the report SQL_Batch_Saturday to receive any credit. Any other name will not be accepted. SMTP is not configured.
Answer:
Explanation:
See the Explanation below for detailed answer.
Explanation:
Here is the step-by-step solution to create and run the report, performed entirely within Prism Central.
1. Create the Analysis Session
First, we will build the charts and entities for the report using the Analysis tool.
* From the Prism Central main menu, navigate to Operations > Analysis.
* Click the + New Session button.
* Add the required entities:
* In the "Entities" search box, type Cluster 1 and select Cluster: Cluster 1.
* In the "Entities" search box, type SQL01 and select VM: SQL01.
* In the "Entities" search box, type SQL02 and select VM: SQL02.
* Click Add Charts > New Chart to add the Cluster CPU chart:
* Title: Cluster 1 Max CPU Usage
* Entity Type: Cluster
* Metric: Cluster CPU Usage %
* Aggregation: Select Maximum.
* Click Add.
* Click Add Charts > New Chart to add the VM CPU Ready Time chart:
* Title: VM Max CPU Ready Time
* Entity Type: VM
* Metric: CPU Ready Time %
* Aggregation: Select Maximum.
* Click Add.
2. Save and Configure the Report
Now, save the session as a report and configure it to dynamically include all VMs with the SQL prefix.
* Click the Save as Report icon (the bookmark icon in the upper right).
* Name the report SQL_Batch_Saturday and click Save.
* Navigate to Operations > Reports.
* Find the SQL_Batch_Saturday report you just created and click its name to open the report editor.
* In the Entities tile, click the Edit (pencil) icon.
* By default, it will list "Cluster 1", "SQL01", and "SQL02".
* Change the VM selection:
* Select the radio button for All VMs prefixed with.
* In the text box, enter SQL.
* Ensure "Cluster 1" is still listed under "Clusters".
* Click Save.
3. Schedule the Report
* While still in the report editor for SQL_Batch_Saturday, click the Schedule button.
* Configure the schedule:
* Recurrence: Weekly
* Repeat on: Sunday
* Start Time: 12:00 AM
* Time Range: Previous 7 Days
* Configure the notification (as SMTP is not available):
* Expand the Notification Settings section.
* Check the box for Notify when ready (this enables the bell icon notification).
* Ensure "Email Report" is not checked.
* Click Save.
4. Generate and Save the CSV Instance
Finally, run the report now and download the CSV as requested.
* Navigate back to the main Operations > Reports list.
* Select the checkbox next to SQL_Batch_Saturday.
* Click the Actions dropdown and select Run Now.
* In the dialog, confirm the time range (e.g., "Last 7 Days") and click Run.
* Click the Report Instances tab.
* Wait for the report instance "SQL_Batch_Saturday" to finish running (the status will change from
"Running" to Succeeded).
* Once it has succeeded, click the Download (arrow) icon for that instance.
* Select the CSV format.
* Save the file to the desktop.
NEW QUESTION # 30
Task 10
An administrator will be deploying Flow Networking and needs to validate that the environment, specifically switch vs1, is appropriately configured. Only VPC traffic should be carried by the switch.
Four versions each of two possible commands have been placed in Desktop\Files\Network\flow.txt. Remove the hash mark (#) from the front of correct First command and correct Second command and save the file.
Only one hash mark should be removed from each section. Do not delete or copy lines, do not add additional lines. Any changes other than removing two hash marks (#) will result in no credit.
Also, SSH directly to any AHV node (not a CVM) in the cluster and from the command line display an overview of the Open vSwitch configuration. Copy and paste this to a new text file named Desktop\Files\Network\AHVswitch.txt.
Note: You will not be able to use the 192.168.5.0 network in this environment.
First command
#net.update_vpc_traffic_config virtual_switch=vs0
net.update_vpc_traffic_config virtual_switch=vs1
#net.update_vpc_east_west_traffic_config virtual_switch=vs0
#net.update_vpc_east_west_traffic_config virtual_switch=vs1
Second command
#net.update_vpc_east_west_traffic_config permit_all_traffic=true
net.update_vpc_east_west_traffic_config permit_vpc_traffic=true
#net.update_vpc_east_west_traffic_config permit_all_traffic=false
#net.update_vpc_east_west_traffic_config permit_vpc_traffic=false
Answer:
Explanation:
First, you need to open the Prism Central CLI from the Windows Server 2019 workstation. You can do this by clicking on the Start menu and typing "Prism Central CLI". Then, you need to log in with the credentials provided to you.
Second, you need to run the two commands that I have already given you in Desktop\Files\Network\flow.txt.
These commands are:
net.update_vpc_traffic_config virtual_switch=vs1 net.update_vpc_east_west_traffic_config permit_vpc_traffic=true These commands will update the virtual switch that carries the VPC traffic to vs1, and update the VPC east- west traffic configuration to allow only VPC traffic. You can verify that these commands have been executed successfully by running the command:
net.get_vpc_traffic_config
This command will show you the current settings of the virtual switch and the VPC east-west traffic configuration.
Third, you need to SSH directly to any AHV node (not a CVM) in the cluster and run the command:
ovs-vsctl show
This command will display an overview of the Open vSwitch configuration on the AHV node. You can copy and paste the output of this command to a new text file named Desktop\Files\Network\AHVswitch.txt.
You can use any SSH client such as PuTTY or Windows PowerShell to connect to the AHV node. You will need the IP address and the credentials of the AHV node, which you can find in Prism Element or Prism Central.
remove # from greens
On AHV execute:
sudo ovs-vsctl show
CVM access AHV access command
nutanix@NTNX-A-CVM:192.168.10.5:~$ ssh root@192.168.10.2 "ovs-vsctl show" Open AHVswitch.txt and copy paste output
NEW QUESTION # 31
Due to new security requirements, an administrator has been tasked with updating the security settings for user accounts within Prism Element on Cluster 1.
An SSL Certificate Signing Request with Subject Alternative Name should be generated for submission to the security team's Certificate Authority with the following details:
countryName = US
stateOrProvinceName = North Carolina
localityName = Durham
organizationName = ACME
organizationalUnitName = Infrastructure
commonName = prism_element.ACME.org
emailAddress = administrator@ACME.org
Alternate names = cvm1.ACME.org, cvm2.ACME.org, cvm3.ACME.org
Encryption: RSA 2048, sha256
When the Certificate Signing Request is generated, place a copy of both the .cnf file and the .csr file on the desktop named 'prism_element_acme.cnf' and 'prism_element_acme.csr' Save a copy of the command(s) used for this scenario to a new file on the desktop named "Task 5.txt".
Note: You must copy and paste the command(s) and output from SSH to the "Task 5.txt" file to achieve all points available.
Answer:
Explanation:
See the Explanation below for detailed answer.
Explanation:
Here is the step-by-step solution to generate the Certificate Signing Request (CSR) on Cluster 1.
This entire process is performed from an SSH session connected to a CVM (Controller VM) on Cluster 1.
1. Access Cluster 1 CVM
* From Prism Central, navigate to Hardware > Clusters and click on Cluster 1 to open its Prism Element (PE) interface.
* In the Cluster 1 PE, navigate to Hardware > CVMs to find the IP address of any CVM in the cluster.
* Use an SSH client (like PuTTY) to connect to the CVM's IP address.
* Log in with the admin user and password.
2. Create the Configuration File (.cnf)
To include the Subject Alternative Names (SANs), you must first create a configuration file.
* In the CVM's command line, create the .cnf file using a text editor:
vi prism_element_acme.cnf
* Press i to enter "Insert" mode.
* Paste the following text exactly into the editor:
Ini, TOML
[ req ]
default_bits = 2048
distinguished_name = req_distinguished_name
req_extensions = v3_req
prompt = no
[ req_distinguished_name ]
C = US
ST = North Carolina
L = Durham
O = ACME
OU = Infrastructure
CN = prism_element.ACME.org
emailAddress = administrator@ACME.org
[ v3_req ]
subjectAltName = @alt_names
[ alt_names ]
DNS.1 = cvm1.ACME.org
DNS.2 = cvm2.ACME.org
DNS.3 = cvm3.ACME.org
* Press Esc to exit "Insert" mode, then type :wq and press Enter to save and quit vi.
3. Generate the CSR and Key
* Run the following openssl command. This command uses the .cnf file to generate the new CSR (.csr) and a corresponding private key (.key), applying the sha256 encryption as requested.
Bash
openssl req -new -nodes -out prism_element_acme.csr -keyout prism_element_acme.key -config prism_element_acme.cnf -sha256
* The command will output the following, confirming the key generation:
* Generating a 2048 bit RSA private key
* ...................+++++
* ..................................+++++
* writing new private key to 'prism_element_acme.key'
* -----
4. Save Files to the Desktop
You will now copy the contents of the generated files from the CVM to your desktop.
* For Task 5.txt (Commands and Output):
* Open a new Notepad file on the desktop.
* Copy and paste all the commands you ran in the SSH session and their full output (as shown in steps 2 and 3) into this file.
* Save the file on the desktop as Task 5.txt.
* For prism_element_acme.cnf:
* In the CVM SSH session, display the file's content:
cat prism_element_acme.cnf
* Copy the entire text output (starting from [ req ]).
* Open a new Notepad file on the desktop.
* Paste the content and save the file as prism_element_acme.cnf.
* For prism_element_acme.csr:
* In the CVM SSH session, display the file's content:
cat prism_element_acme.csr
* Copy the entire text output, including the -----BEGIN CERTIFICATE REQUEST----- and ----- END CERTIFICATE REQUEST----- lines.
* Open a new C:\Users\admin\Desktop\Notepad file on the desktop.
* Paste the content and save the file as prism_element_acme.csr.
NEW QUESTION # 32
Task 11
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 # 33
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