CompTIA CASP+ Practice Test

What is the BEST method to protect data on virtual machines hosted on a Linux server?

1. Install the web application in a virtual environment

2. Implement TLS for all application traffic

3. Install the third-party web application in a chroot environment

4. Use a hardware firewall to guard the server

The correct answer is: Install the third-party web application in a chroot environment

The best method to protect data on virtual machines hosted on a Linux server is to install the third-party web application in a chroot environment. A chroot environment essentially changes the apparent root directory for the application, creating a confined space where the application operates. This containment prevents the application from accessing files and directories outside of its designated environment, thereby reducing the risk of data breaches and unauthorized access to crucial parts of the system. Using a chroot environment adds a layer of security by isolating the application, which can significantly mitigate the consequences of vulnerabilities that may exist within the application itself. If the application were to be compromised, the attacker would be limited to the resources available within the chroot environment, making it tougher to impact the entire server ecosystem or access sensitive data stored elsewhere on the host machine. While other options provide various security measures, they do not offer the same level of data protection for virtual machines. For instance, implementing TLS is crucial for securing communication but does not inherently protect the data stored on the virtual machine itself. Installing the web application in a virtual environment, while helpful, may not specifically address the risk of malicious actions inside the guest OS. Utilizing a hardware firewall is beneficial for network-level protection but does not safeguard data at the application or