Certificate of Cloud Security Knowledge (CCSK) Practice Test 2025 - Free CCSK Practice Questions and Study Guide

Virtual machines can indeed communicate over a hardware backplane, which is an accurate medium for data exchange in virtualization environments. The hardware backplane functions as a foundational layer of interconnectivity, allowing multiple virtual machines (VMs) to communicate directly with each other through physical hardware, bypassing traditional networking protocols.

This method of communication tends to be very efficient, as it can reduce latency and improve throughput since data doesn’t have to traverse external network layers. In environments like data centers where virtualization is heavily used, VMs can utilize the physical infrastructure’s backplane to facilitate faster data transfers.

While options like wireless connections, virtual private networks, and shared storage access serve important roles in networking and data management, they do not represent the same direct communication pathway that a hardware backplane offers. Wireless connections generally face higher latencies and security challenges, VPNs are primarily used for secure connections over the internet, and shared storage access deals more with data storage than direct communication between virtual machines. Thus, the hardware backplane is the correct answer as it directly supports internal VM communication within a virtual infrastructure.