Certified Information Systems Security Professional (CISSP) — Question 151

Which of the following is a MUST for creating a new custom-built, cloud-native application designed to be horizontally scalable?

Answer options

• A. Network as a Service (NaaS)
• B. Platform as a Service (PaaS)
• C. Infrastructure as a Service (IaaS)
• D. Software as a Service (SaaS)

Correct answer: C

Explanation

The correct answer is C, Infrastructure as a Service (IaaS), as it provides the necessary resources and flexibility for creating scalable applications. Options A, B, and D do not offer the same level of control over the infrastructure, which is critical for achieving horizontal scalability.