CompTIA Server+ Exam SK0-004: Answer to Subnet Configuration Question

The Impact of Misconfigured Subnet on Small Business Server

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Question

A host server in a small business environment does not have virtual switching configured.

The NIC on a guest is configured with an IP address that is on a different subnet from the host server.

Which of the following would MOST likely happen in this case?

Answers

Explanations

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A. B. C. D.

A.

In a virtualized environment, the virtual switch acts as a layer 2 switch that connects virtual machines to each other and to the physical network. If the host server does not have virtual switching configured, the virtual machines will not be able to communicate with each other or the physical network.

If a guest machine is configured with an IP address on a different subnet from the host server, communication between the guest machine and the host server will not be possible without some form of routing or network address translation (NAT).

Therefore, the most likely outcome in this scenario is that option A is correct: the guest machine will not have network access to the host or network resources.

Option B, which suggests that the guest machine would have access to all network resources, is incorrect because the guest machine would not be able to communicate with the host server or any other devices on the host's subnet.

Option C, which suggests that the guest machine would have network access to everything but the host, is also incorrect because the guest machine would not be able to communicate with any devices on the host's subnet without some form of routing or NAT.

Option D, which suggests that the guest machine would have network access to the host server, is also incorrect because the guest machine would not be able to communicate with the host server without some form of routing or NAT.