Which of the following are the virtualization risks?

The correct choice highlights significant virtualization risks: isolation control failure and snapshot and image security.

Isolation control failure refers to a scenario where a malicious actor could potentially access data or resources from different virtual machines (VMs) that should be segregated. This risk undermines the security promise of virtualization, where each VM ideally operates in isolation from others to prevent data leakage or unauthorized access.

Snapshot and image security involves risks associated with storing snapshots or images of virtual machines. These snapshots can contain sensitive data, including configurations and state information that could be exploited if not properly secured. If an attacker gains access to these files, they may extract sensitive information or even replicate the VM for malicious purposes. This risk is particularly pertinent in cloud environments where multiple users may have access to shared resources.

Although the other options mention relevant issues in virtualization, they do not encompass the full range of defined risks that directly impact the management of virtual environments, particularly in the context of security breaches and data integrity. For example, while guest breakout and resource exhaustion are important concerns, they may not carry the same weight or definition in every virtualization context compared to the risks related to isolation and snapshots. Therefore, the selected answer accurately reflects critical aspects of virtualization risks, particularly in managing cloud security.