Kubernetes and Cloud Native Associate (KCNA) — Question 98

Which of the following best describes horizontally scaling an application deployment?

Answer options

• A. The act of adding/removing node instances to the cluster to meet demand.
• B. The act of adding/removing applications to meet demand.
• C. The act of adding/removing application instances of the same application to meet demand.
• D. The act of adding/removing resources to application instances to meet demand.

Correct answer: C

Explanation

The correct answer, C, accurately reflects the concept of horizontal scaling, which involves increasing or decreasing the number of instances of the same application to handle varying loads. Option A refers to scaling at the node level, which is not specific to applications, while B discusses adding/removing applications, and D focuses on resource allocation within instances, which is related to vertical scaling.