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| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Cloud Native Architecture | 16% | - Cloud Native Landscape
|
| Topic 2: Kubernetes Fundamentals | 46% | - Containers
|
| Topic 3: Container Orchestration | 22% | - Orchestration Fundamentals
|
| Topic 4: Cloud Native Observability | 8% | - Tracing
|
| Topic 5: Cloud Native Application Delivery | 8% | - CI/CD
|
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NEW QUESTION # 30
Which of the following options includes valid API versions?
Answer: D
Explanation:
Kubernetes API versions follow a consistent naming pattern that indicates stability level and versioning. The valid forms include stable versions like v1, and pre-release versions such as v1alpha1, v1beta1, etc. Option C contains valid-looking Kubernetes version strings-v1alpha1, v2beta3, v2-so C is correct.
In Kubernetes, the "v" prefix is part of the standard for API versions. A stable API uses v1, v2, etc. Pre-release APIs include a stability marker: alpha (earliest, most changeable) and beta (more stable but still may change). The numeric suffix (e.g., alpha1, beta3) indicates iteration within that stability stage.
Option A is invalid because strings like alpha1v1 and beta3v3 do not match Kubernetes conventions (the v comes first, and alpha/beta are qualifiers after the version: v1alpha1). Option B is invalid because alpha1 and beta3 are missing the leading version prefix; Kubernetes API versions are not just "alpha1." Option D includes 2.0, which looks like semantic versioning but is not the Kubernetes API version format. Kubernetes uses v2, not 2.0, for API versions.
Understanding this matters because API versions signal compatibility guarantees. Stable APIs are supported for a defined deprecation window, while alpha/beta APIs may change in incompatible ways and can be removed more easily. When authoring manifests, selecting the correct apiVersion ensures the API server accepts your resource and that controllers interpret fields correctly.
Therefore, among the choices, C is the only option comprised of valid Kubernetes-style API version strings.
NEW QUESTION # 31
What is the primary role of a Service in a Kubernetes cluster?
Answer: B
Explanation:
A Service provides a stable network endpoint and abstracts a set of Pods, enabling consistent access to an application regardless of individual Pod lifecycle changes.
NEW QUESTION # 32
What is the resource type used to package sets of containers for scheduling in a cluster?
Answer: D
Explanation:
The Kubernetes resource used to package one or more containers into a schedulable unit is the Pod, so A is correct. Kubernetes schedules Pods onto nodes; it does not schedule individual containers. A Pod represents a single "instance" of an application component and includes one or more containers that share key runtime properties, including the same network namespace (same IP and port space) and the ability to share volumes.
Pods enable common patterns beyond "one container per Pod." For example, a Pod may include a main application container plus a sidecar container for logging, proxying, or configuration reload. Because these containers share localhost networking and volume mounts, they can coordinate efficiently without requiring external service calls. Kubernetes manages the Pod lifecycle as a unit: the containers in a Pod are started according to container lifecycle rules and are co-located on the same node.
Option B (ContainerSet) is not a standard Kubernetes workload resource. Option C (ReplicaSet) manages a set of Pod replicas, ensuring a desired count is running, but it is not the packaging unit itself. Option D (Deployment) is a higher-level controller that manages ReplicaSets and provides rollout/rollback behavior, again operating on Pods rather than being the container-packaging unit.
From the scheduling perspective, the PodSpec defines container images, commands, resources, volumes, security context, and placement constraints. The scheduler evaluates these constraints and assigns the Pod to a node. This "Pod as the atomic scheduling unit" is fundamental to Kubernetes architecture and explains why Kubernetes-native concepts (Services, selectors, readiness, autoscaling) all revolve around Pods.
NEW QUESTION # 33
In Kubernetes. which command is the most efficient way to check the progress of a Deployment rollout and confirm if it has completed successfully?
Answer: D
Explanation:
The kubectl rollout status command is specifically designed to monitor the progress of a Deployment rollout and report whether it is still in progress or has completed successfully.
NEW QUESTION # 34
How does cert-manager integrate with Kubernetes resources to provide TLS certificates for an application?
Answer: C
Explanation:
cert-manager integrates with Kubernetes by managing Certificate resources and automatically provisioning and renewing TLS certificates, storing them in Secrets that can be referenced by resources such as Ingress to enable TLS for applications.
NEW QUESTION # 35
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