300-910 Question #118: Real Exam Question with Answer & Explanation

Question

A DevOps engineer must deploy several microservice applications with these requirements: - The deployment must be configured to assist with dependencies between the applications. - Each microservice must be deployed, upgraded, scaled, and restarted independently of other services in the application as part of an automated system. - Enable frequent updates to live applications without affecting live services for users. Which component does a cloud native network function provide in the deployment?

Options

• Aresilient services
• Bcontinuous automation
• Cmanaged orchestration
• Ddiscovery mechanisms

Explanation

A cloud native network function (CNF) provides managed orchestration, which handles service dependency management, automated independent lifecycle operations, and rolling updates for microservices without impacting live users.

Common mistakes.

• A. Resilient services refer to fault-tolerance and high-availability design patterns such as circuit breakers and retries, not the orchestration capability needed to manage dependencies and independent lifecycle operations.
• B. Continuous automation describes the CI/CD pipeline practice of building and testing code continuously, which is a broader DevOps toolchain concept rather than a specific CNF deployment component.
• D. Discovery mechanisms refer to service discovery (DNS-based or registry-based) used to locate service endpoints, which is a subset of functionality rather than the overarching component satisfying all three deployment requirements stated.

Concept tested. Cloud native network function managed orchestration for microservices

Reference. https://kubernetes.io/docs/concepts/overview/what-is-kubernetes/

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