Nutanix NCP-CI-AWS Nutanix Certified Professional - Cloud Integration - AWS (NCP-CI-AWS6.7) Exam Exam Practice Test

To ensure that only application servers from the source subnet 10.79.1.0/24 can access the SQL databases running on the NC2 cluster in the subnet 10.78.1.0/24, the administrator can take the following actions:

Option A: Create a custom Security Group with the following rules:

Key = tag:nutanix:clusters

Key = tag:nutanix:clusters:external

and value = the clusters' UUID

Key = tag:nutanix:clusters:external

and value = 10.78.1.0/24

Option D: Create a custom Security Group with the following:

Key = nutanix:clusters

Key = nutanix:clusters:external

and value = the clusters' UUID

Key = nutanix:clusters:external

and value = 10.79.1.0/24

These actions help create security rules that restrict access to the databases only from the specified source subnet, ensuring secure and controlled access.

References:

Nutanix Cloud Clusters on AWS Administration

AWS Security Groups Documentation

To control network traffic at the individual User VM (UVM) subnet level, creating a custom security group is the appropriate action. This approach allows for fine-grained control over inbound and outbound traffic rules that can be applied to specific subnets or individual instances within those subnets.

Custom Security Group:

Custom security groups enable administrators to define specific traffic rules tailored to the needs of individual subnets or VMs. This includes specifying allowed IP ranges, ports, and protocols.

By applying these custom security groups to the UVMs, the organization can control access and enhance security according to their policies and requirements.

Steps to Create a Custom Security Group:

Navigate to the AWS Management Console and go to the VPC service.

Select "Security Groups" under the "Security" section.

Click on "Create Security Group" and define the name, description, and VPC.

Add inbound and outbound rules according to the desired traffic control policies.

Attach the custom security group to the UVMs or subnets in question.

References:

Nutanix Cloud Clusters on AWS Administration Guide

AWS Security Group Documentation

Nutanix Best Practices for Security Groups

For issues related to cloud hardware support such as EC2 instances, VPC, etc., the public cloud vendor (AWS in this case) should be contacted. AWS provides support and documentation for their infrastructure and services, ensuring that users can get assistance for any hardware or cloud-specific queries.

References:

Nutanix Support & Insights

The administrator has not created the necessary Security Group:

The error message indicates that the creation of network interfaces in a shared subnet requires specifying a security group. This means that the necessary security group has not been created or assigned to the network interfaces.

Creating the appropriate security group and ensuring it is associated with the network interfaces during cluster deployment should resolve this issue.

References:Refer to AWS documentation on security groups and network interface configuration and Nutanix documentation on prerequisites for deploying NC2 clusters in an existing AWS VPC.

When performing a migration from an NC2 environment to a Nutanix on-premises environment, the task should be performed using the NC2 Prism Central. This is because NC2 Prism Central provides a centralized management interface that allows administrators to manage and migrate workloads between cloud and on-premises environments seamlessly.

References:

Nutanix Cloud Clusters (NC2) Documentation

Nutanix Community Guide

The error message in the image indicates that the cluster creation failed due to reaching the maximum retries for provisioning cluster nodes. Here are two possible scenarios that could lead to this issue:

Insufficient Permissions (Answer B):

If the AWS user or role used to create the cluster does not have sufficient permissions, it can result in failures during the provisioning process. Proper IAM policies must be attached to ensure that the necessary actions can be performed, such as launching instances, creating VPCs, or managing networking components.

AWS Quota Exceeded/Instance Limit Exceeded (Answer D):

AWS imposes quotas and limits on the number of instances and other resources that can be created within an account. If these quotas are exceeded, new instances cannot be provisioned, causing the cluster creation to fail. This can be resolved by requesting a quota increase from AWS.

References:

Nutanix Knowledge Base Article 9774

AWS Service Quotas

Nutanix NC2 on AWS Documentation

The exhibit indicates a replication operation with specific details about the protection domain, remote site, and snapshot. Key points to note are:

Bytes Completed: 0 bytes completed.

Complete Percent: 0.0%

Paused: false

Aborted: false

Given these details:

No ongoing replication: The operation has started, but there is no progress in terms of bytes completed or percentage completed. Since the status shows 0 bytes and 0 percent completed, it indicates that no data has been replicated yet.

References:

Nutanix Protection Domain and Replication Documentation

Nutanix Best Practices for Monitoring Replication

The 192.168.5.0/24 range is often reserved for internal cluster communication within Nutanix deployments.

Using this CIDR range for other purposes could lead to network conflicts and connectivity issues, as it might interfere with the internal operations and communication channels of the Nutanix cluster.

Ensuring that the CIDR range is not overlapping with any reserved ranges is crucial for maintaining proper network connectivity and cluster functionality.

References:Refer to the Nutanix documentation on network configuration and best practices for NC2 deployments to confirm reserved IP ranges and their appropriate use.

For a VM deployed in an NC2 cluster on AWS to be accessed by resources within the on-premises datacenter, the security group associated with the User VM (UVM) subnet must allow inbound traffic on the specific ports required by the application.

If the security group rules do not permit inbound traffic on these ports, the communication will fail, even if other network configurations are correct.

The administrator should ensure that the UVM Security Group includes rules to allow inbound traffic for the application's required ports, facilitating proper communication between the VM and on-premises resources.

References:Refer to the AWS documentation on security group configurations and Nutanix NC2 documentation for details on configuring network access and security group rules.

When configuring a syslog server in the Prism Central Admin Center for Nutanix, one of the available log modules is Acropolis.

The Acropolis module logs system events related to the Nutanix Acropolis operating system, which is critical for monitoring and auditing system activities and performance.

Configuring syslog with the Acropolis module ensures that important events and issues related to the Acropolis environment are captured and can be forwarded to an external syslog server for centralized logging and analysis.

References:Refer to the Nutanix documentation on Prism Central and syslog configuration for the full list of available log modules and detailed steps for configuration.

AWS Direct Connect allows companies to create private, dedicated connections between their data centers and AWS. This bypasses the internet and provides a more reliable and faster network connection directly to AWS services, including S3.

References:

AWS Direct Connect Documentation

AWS S3 Access over Direct Connect

When planning to leverage NC2 on AWS for an elastic DR scenario where the initial cluster is using 13en.metal, the following additional node types are supported for cluster expansion:

I3.metal: These instances provide high IOPS and low latency with NVMe SSDs, making them suitable for storage-intensive applications.

i4i.metal: These instances offer higher performance with AWS Nitro SSDs, improved network bandwidth, and better compute performance compared to the I3.metal instances.

References:

Nutanix Cloud Clusters on AWS Documentation

Amazon EC2 I4i Instances – AWS

Amazon EC2 I3 Instances – AWS

To manually hibernate an NC2 on AWS cluster, the administrator can use the following methods:

Select the cluster under NC2 console and Select Hibernate/Resume on the cluster sur page: Navigate to the specific cluster in the NC2 console and use the provided Hibernate/Resume option.

Log into NC2 console, find the cluster name and select Hibernate/Resume from the ellipses: Access the NC2 console, locate the cluster name, and select the Hibernate/Resume option from the ellipses (three dots) menu.

These options allow for the manual control of the cluster's hibernation state directly within the NC2 console interface.

References:

Nutanix Cloud Clusters on AWS Administration

Nutanix Support & Insights

Cluster Protect in an NC2 environment can protect and recover the following services and their associated metadata:

VM Templates: Ensures that templates used for creating virtual machines are backed up and recoverable.

Files: Protects data stored in Nutanix Files, ensuring that file services are backed up and can be restored as needed.

References:

Nutanix Support & Insights

Nutanix Cloud Clusters on AWS Administration

Traffic from the on-premises network is not permitted by VM and Management security groups:

Ensure that the security groups assigned to the VMs and management interfaces in AWS allow inbound traffic from the on-premises network. Without appropriate security group rules, the traffic will be blocked.

The AWS VPC traffic is blocked by a firewall in the on-premises network:

Check if the firewall on the on-premises network is configured to allow traffic from the AWS VPC. Firewalls may have restrictive rules that block incoming traffic, preventing communication.

References:Refer to AWS documentation on security groups and firewalls and Nutanix documentation on configuring networking for NC2 clusters.

AWS supports EC2 bare-metal instances in regions with at least 3 partitions. Partitions in AWS provide high availability and fault tolerance by distributing instances across different hardware to minimize the impact of hardware failures.

References:

AWS EC2 Bare Metal Instances Documentation

AWS Regions and Availability Zones

To avoid IP address conflicts and ensure there are no configuration issues when reusing an existing AWS subnet, the administrator should take the following actions:

aCLI > net.add_to_ip_blacklist 10.79.4.200 aCLI > net.add_to_ip_blacklist 10.79.4.201 (Answer A):

This command adds the specified IP addresses to the blacklist, preventing AHV IPAM from assigning these addresses to any VMs. This ensures that the existing EC2 instances with IPs 10.79.4.200 and 10.79.4.201 are not allocated to other VMs in the NC2 cluster.

Configure the AHV IPAM to use DHCP range 10.79.4.2 -10.79.4.253 (Answer D):

By configuring the AHV IPAM to use a specific DHCP range, you ensure that the IP addresses assigned to the EC2 instances (10.79.4.200 and 10.79.4.201) are not included in the DHCP pool. This prevents IP address conflicts within the subnet.

References:

Nutanix aCLI Reference

Nutanix NC2 on AWS Documentation

AWS VPC and Subnet Basics

For AOS software support related to NC2, the appropriate entity to contact is Nutanix. Nutanix provides comprehensive support for their software, including the Acropolis Operating System (AOS) used in NC2 deployments.

Support Scope:

Nutanix offers support for the deployment, configuration, and management of NC2 clusters, including any issues related to AOS software.

This includes troubleshooting, updates, and technical assistance.

Why Not Other Options:

Internal IT Operations team: Typically handles internal issues but does not have the specialized knowledge or resources for AOS software support.

Partner: May provide support but would ultimately escalate issues to Nutanix for software-specific concerns.

Public Cloud Vendor: Manages infrastructure-related issues but does not provide support for Nutanix AOS software.

References:

Nutanix Support Documentation

Nutanix Cloud Clusters on AWS Administration Guide

Nutanix Best Practices for AOS Support

The role of "Customer Administrator" in Nutanix Cloud Integration with AWS (NC2) is designed to meet the requirements of creating and managing multiple organizations and clusters, as well as managing user access for the entire company.

Roles and Permissions:

Customer Administrator: This role has the broadest set of permissions, allowing the user to create and manage organizations, clusters, and user access across the entire company. It encompasses administrative control over multiple aspects of the NC2 environment.

Capabilities:

Organization Management: Ability to create and manage multiple organizations.

Cluster Management: Full control over creating, configuring, and managing clusters.

User Access Management: Manage user roles and permissions, ensuring that the right individuals have access to the necessary resources.

Why Not Other Roles:

Organization Administrator: Limited to managing organizations but not clusters and user access at the company level.

Customer Security Administrator: Focuses on security aspects, lacking broader administrative capabilities.

Cluster Administrator: Limited to managing clusters without the ability to manage organizations and user access comprehensively.

References:

Nutanix Cloud Clusters on AWS Administration Guide

Nutanix Role-Based Access Control Documentation

Gateway Endpoint:

A Gateway Endpoint in AWS allows you to connect to supported AWS services privately without going through the public internet. This setup provides secure and efficient connectivity directly from the corporate VPC to the required AWS services.

Gateway Endpoints support services such as Amazon S3 and DynamoDB and are ideal for scenarios where private connectivity to these services is needed.

References:Refer to the AWS documentation on VPC endpoints, specifically Gateway Endpoints, and the Nutanix documentation on configuring private connectivity for NC2 deployments.

Amazon CloudWatch is the service that enables the monitoring of key metrics on various AWS services, including EC2, EBS, and VPC, for NC2 cluster deployments.

Amazon CloudWatch:

Amazon CloudWatch provides monitoring for AWS cloud resources and applications. It collects and tracks metrics, collects and monitors log files, and sets alarms.

Specifically, for NC2 deployments, CloudWatch can be used to monitor key metrics such as CPU utilization, disk I/O, network I/O for EC2 instances, EBS volume performance, and VPC network traffic.

Features:

Metrics Monitoring: Collects and visualizes operational data in the form of metrics, including utilization, performance, and health.

Logs Monitoring: Collects log data, monitors it in real-time, and triggers alarms based on predefined thresholds.

Alarms: Notifies when operational performance thresholds are breached.

Integration with NC2:

By setting up CloudWatch, administrators can ensure they have visibility into the performance and health of their Nutanix clusters on AWS, aiding in proactive management and troubleshooting.

References:

Amazon CloudWatch Documentation

Nutanix Cloud Clusters on AWS Administration Guide

AWS Monitoring Best Practices

The Cluster Protect feature, which provides data protection and disaster recovery capabilities for Nutanix clusters, requires either the AOS Ultimate or NCI Ultimate license. These licenses include the necessary features to leverage Cluster Protect for ensuring data resilience and recovery.

References:

Nutanix Documentation - Cluster Protection Features

Nutanix AOS 6.7 New Features