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| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Cloud Native Architecture | 16% | - Cloud Native Principles
|
| Topic 2: Container Orchestration | 22% | - Networking & Storage
|
| Topic 3: Cloud Native Application Delivery | 8% | - Deployment Strategies
|
| Topic 4: Cloud Native Observability | 8% | - Logging & Tracing
|
| Topic 5: Kubernetes Fundamentals | 46% | - Scheduling and Administration
|
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NEW QUESTION # 41
Which group of container runtimes provides additional sandboxed isolation and elevated security?
Answer: D
Explanation:
The runtimes most associated with sandboxed isolation are gVisor's runsc and Kata Containers, making C correct. Standard container runtimes (like containerd with runc) rely primarily on Linux namespaces and cgroups for isolation. That isolation is strong for many use cases, but it shares the host kernel, which can be a concern for multi-tenant or high-risk workloads.
gVisor (runsc) provides a user-space kernel-like layer that intercepts and mediates system calls, reducing the container's direct interaction with the host kernel. Kata Containers takes a different approach: it runs containers inside lightweight virtual machines, providing hardware-virtualization boundaries (or VM-like isolation) while still integrating into container workflows. Both are used to increase isolation compared to traditional containers, and both can be integrated with Kubernetes through compatible CRI/runtime configurations.
The other options are incorrect for the question's intent. "rune, cgroups" is not a meaningful pairing here (cgroups is a Linux resource mechanism, not a runtime). "docker, containerd" are commonly used container platforms/runtimes but are not specifically the "sandboxed isolation" category (containerd typically uses runc for standard isolation). "crun, cri-o" represents a low-level OCI runtime (crun) and a CRI implementation (CRI-O), again not specifically a sandboxed-isolation grouping.
So, when the question asks for the group that provides additional sandboxing and elevated security, the correct, well-established answer is runsc + Kata.
NEW QUESTION # 42
Which of the following actions is supported when working with Pods in Kubernetes?
Answer: B
Explanation:
Pods are commonly created and managed indirectly through higher-level workload resources such as Deployments, which handle Pod creation, scaling, and lifecycle management in a declarative and resilient manner.
NEW QUESTION # 43
What helps an organization to deliver software more securely at a higher velocity?
Answer: B
NEW QUESTION # 44
What is the main role of CNCF Ambassadors in the cloud native ecosystem?
Answer: D
Explanation:
CNCF Ambassadors are community leaders who advocate for cloud native technologies, support local communities, organize events, and help drive adoption of CNCF projects.
NEW QUESTION # 45
Which tool is used to streamline installing and managing Kubernetes applications?
Answer: B
Explanation:
Helm is the Kubernetes package manager used to streamline installing and managing applications, so B is correct. Helm packages Kubernetes resources into charts, which contain templates, default values, and metadata. When you install a chart, Helm renders templates into concrete manifests and applies them to the cluster. Helm also tracks a "release," enabling upgrades, rollbacks, and consistent lifecycle operations across environments.
This is why Helm is widely used for complex applications that require multiple Kubernetes objects (Deployments/StatefulSets, Services, Ingresses, ConfigMaps, RBAC, CRDs). Rather than manually maintaining many YAML files per environment, teams can parameterize configuration with values and reuse the same chart across dev/stage/prod with different overrides.
Option A (apt) and option D (brew) are OS package managers (Debian/Ubuntu and macOS/Linuxbrew respectively), not Kubernetes application managers. Option C (service) is a Linux service manager command pattern and not relevant here.
In cloud-native delivery pipelines, Helm often integrates with GitOps and CI/CD: the pipeline builds an image, updates chart values (image tag/digest), and deploys via Helm or via GitOps controllers that render
/apply Helm charts. Helm also supports chart repositories and versioning, making it easier to standardize deployments and manage dependencies.
So, the verified tool for streamlined Kubernetes app install/management is Helm (B).
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NEW QUESTION # 46
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