Google Cloud Professional Cloud Security Engineer Practice Exam

What is the function of the Binary Authorization policy in Google Cloud?

1. To restrict all network access for containers

2. To allow only signed images from trusted authorities for deployment

3. To create ephemeral instances only

4. To provide dynamic scaling of container resources

The correct answer is: To allow only signed images from trusted authorities for deployment

The function of the Binary Authorization policy in Google Cloud is to allow only signed images from trusted authorities for deployment. This security feature ensures that only containers that have been verified and signed by trusted signers are permitted to run in your environments, effectively preventing the deployment of unauthorized or potentially harmful images. By requiring images to be signed, organizations can enforce their security policies and maintain control over the software that is being deployed. This helps mitigate risks associated with vulnerabilities in container images, ensuring a more secure application lifecycle. The other choices do not accurately describe the primary purpose of Binary Authorization. Options regarding restricting all network access or creating ephemeral instances do not align with the scope of Binary Authorization, which specifically focuses on validating images before they are deployed. Similarly, while dynamic scaling is a feature available in container orchestration, it does not pertain to the signing and validation of container images, which is the core function of Binary Authorization.