CCSK Question #216: Real Exam Question with Answer & Explanation

The correct answer is A. VM communications may use a virtual network on the same hardware host. For example, if two virtual machines are located on the same physical machine there is no reason to route network traffic off the box and onto the network.Thus, they can communicate directly, and monitoring and filtering tools inline on the network (orattached to the routing/swit

Question

How can virtual machine communications bypass network security controls?

Options

AVM communications may use a virtual network on the same hardware host
BThe guest OS can invoke stealth mode
CHypervisors depend upon multiple network interfaces
DVM images can contain rootkits programmed to bypass firewalls
EMost network security systems do not recognize encrypted VM traffic

Explanation

For example, if two virtual machines are located on the same physical machine there is no reason to route network traffic off the box and onto the network.Thus, they can communicate directly, and monitoring and filtering tools inline on the network (orattached to the routing/switching hardware) will never see the traffic.

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