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CV0-003 · Question #14

A cloud administrator has finished building a virtual server template in a public cloud environment. The administrator is now cloning six servers from that template. Each server is configured with…

The correct answer is D. The two servers do not have enough virtual network adapters attached. Two of six cloned servers lack public IP addresses because they do not have enough virtual network adapters to support the additional IP assignment.

Troubleshooting

Question

A cloud administrator has finished building a virtual server template in a public cloud environment. The administrator is now cloning six servers from that template. Each server is configured with one private IP address and one public IP address. After starting the server instances, the cloud administrator notices that two of the servers do not have a public IP address. Which of the following is the MOST likely cause?

Options

  • AThe maximum number of public IP addresses has already been reached.
  • BThe two servers are not attached to the correct public subnet.
  • CThere is no Internet gateway configured in the cloud environment.
  • DThe two servers do not have enough virtual network adapters attached.

How the community answered

(57 responses)
  • A
    4% (2)
  • B
    7% (4)
  • C
    12% (7)
  • D
    77% (44)

Why each option

Two of six cloned servers lack public IP addresses because they do not have enough virtual network adapters to support the additional IP assignment.

AThe maximum number of public IP addresses has already been reached.

Reaching the maximum public IP limit would prevent all six servers from receiving a public IP, not selectively affect only two of them.

BThe two servers are not attached to the correct public subnet.

An incorrect subnet attachment would affect general network connectivity and private IP assignment, not specifically the presence or absence of a public IP address.

CThere is no Internet gateway configured in the cloud environment.

A missing Internet gateway would prevent outbound internet routing for all servers but would not stop the cloud platform from assigning public IP addresses at the instance level.

DThe two servers do not have enough virtual network adapters attached.Correct

In cloud environments, each IP address must be associated with a virtual network interface (vNIC). If the two servers were not configured with a sufficient number of virtual network adapters, the cloud platform cannot bind a public IP address to them, leaving those servers with only a private IP address assigned to the single available adapter.

Concept tested: Virtual network adapter requirements for public IP assignment

Topics

#public IP address#virtual NIC#IP exhaustion#cloud networking

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