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Question 36 - NCP-CI-AWS discussion

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An administrator has deployed NC2 on AWS. The cluster deployment completed successfully.

After deployment, the administrator created a subnet in AWS, added it as a network in Prism Element, deployed Prism Central using the newly-configured network, and registered the cloud cluster with it.

The on-premises network and AWS are connected via a Site-to-Site VPN. Cluster nodes, CVM, and Prism Central can communicate with each other, but cannot be accessed from the on-premises network.

What two issues might be the cause of this problem? (Choose two.)

A.
AWS Direct Connect must be used to establish connection between AWS and on-premises
Answers
A.
AWS Direct Connect must be used to establish connection between AWS and on-premises
B.
Traffic from the on-premises network is not permitted by VM and Management security groups.
Answers
B.
Traffic from the on-premises network is not permitted by VM and Management security groups.
C.
The AHV firewall is blocking traffic from the on-premises network.
Answers
C.
The AHV firewall is blocking traffic from the on-premises network.
D.
The AWS VPC traffic is blocked by a firewall in the on-premises network.
Answers
D.
The AWS VPC traffic is blocked by a firewall in the on-premises network.
Suggested answer: B, D

Explanation:

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.

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

asked 23/09/2024
Jordan Reid
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