ITGSS Certified DevOps Engineer Practice Test

What defines privilege and access control settings for a Pod or Container in Kubernetes?

1. Secret context

2. Access configuration

3. Security context

4. Role binding

The correct answer is: Security context

In Kubernetes, the security context is a crucial aspect that defines privilege and access control settings for a Pod or Container. The security context is a set of security-related settings that can be applied to a Pod or Container, enabling administrators to manage permissions effectively. It includes configurations that dictate how a container operates in terms of security policies, such as which user ID (UID) the container runs as, whether the container can run with elevated permissions (like running as root), and whether certain Linux capabilities should be added or dropped. Furthermore, it can define settings that determine if and how a Pod can use AppArmor, SELinux, or Seccomp profiles to enhance security. This granularity in defining permissions helps ensure that each container has the right level of access to the resources it needs, minimizing the risk of security breaches. For instance, by configuring a Pod to run as a non-root user, the attack surface is reduced, and the potential impact of a compromised container is lessened. In contrast, other options like secret context deal with managing sensitive information, access configuration relates more to broader access rights across systems rather than at the individual Pod level, and role binding pertains to the assignment of roles to users or groups for accessing Kubernetes resources, rather than to the