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| Section | Weight | Objectives |
|---|---|---|
| Container Orchestration | 22% | - Storage
|
| Kubernetes Fundamentals | 46% | - Kubernetes API
|
| Cloud Native Architecture | 16% | - Architecture Concepts
|
| Cloud Native Observability | 8% | - Tracing
|
| Cloud Native Application Delivery | 8% | - Deployment Strategies
|
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NEW QUESTION # 72
Which statement is correct about Role and ClusterRole objects in Kubernetes?
Answer: B
Explanation:
A Role defines permissions that apply only within a specific namespace, limiting its scope to resources in that namespace.
NEW QUESTION # 73
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:
When performing rolling updates in Kubernetes, it is important to have a clear and efficient way to track the progress of a Deployment rollout and determine whether it has completed successfully. The most direct and purpose-built command for this task is kubectl rollout status deployment/my-deployment, making option D the correct answer.
The kubectl rollout status command is specifically designed to monitor the state of rollouts for resources such as Deployments, StatefulSets, and DaemonSets. It provides real-time feedback on the rollout process, including whether new Pods have been created, old Pods are being terminated, and if the desired number of updated replicas has become available. The command blocks until the rollout either completes successfully or fails, which makes it especially useful in automation and CI/CD pipelines.
Option A is incorrect because kubectl get deployments only provides a snapshot view of deployment status fields and does not actively track rollout progress. Option B can provide detailed information and events, but it is verbose and not optimized for quickly confirming rollout completion. Option C is incorrect because Deployment objects themselves do not produce logs; logs are generated by Pods and containers, not higher- level workload resources.
The rollout status command also integrates with Kubernetes' revision history, ensuring that it accurately reflects the current state of the Deployment's update strategy. If a rollout is stuck due to failed Pods, readiness probe failures, or resource constraints, the command will indicate that the rollout is not progressing, helping operators quickly identify issues.
In summary, kubectl rollout status deployment/my-deployment is the most efficient and reliable way to check rollout progress and confirm success. It is purpose-built for rollout tracking, easy to interpret, and widely used in production Kubernetes workflows, making Option D the correct and verified answer.
NEW QUESTION # 74
What is the main purpose of the Ingress in Kubernetes?
Answer: D
Explanation:
D is correct. Ingress is a Kubernetes API object that defines rules for external access to HTTP/HTTPS services in a cluster. The defining capability is Layer 7 routing-commonly host-based and path-based routing-so you can route requests like example.com/app1 to one Service and example.com/app2 to another. While the question mentions "based on their path," that's a classic and correct Ingress use case (and host routing is also common).
Ingress itself is only the specification of routing rules. An Ingress controller (e.g., NGINX Ingress Controller, HAProxy, Traefik, cloud-provider controllers) is what actually implements those rules by configuring a reverse proxy/load balancer. Ingress typically terminates TLS (HTTPS) and forwards traffic to internal Services, giving a more expressive alternative to exposing every service via NodePort/LoadBalancer.
Why the other options are wrong:
A suggests routing by IP address; Ingress is fundamentally about HTTP(S) routing rules (host/path), not direct Service IP access.
B and C describe non-HTTP protocols; Ingress is specifically for HTTP/HTTPS. For TCP/UDP or other protocols, you generally use Services of type LoadBalancer/NodePort, Gateway API implementations, or controller-specific TCP/UDP configuration.
Ingress is a foundational building block for cloud-native application delivery because it centralizes edge routing, enables TLS management, and supports gradual adoption patterns (multiple services under one domain). Therefore, the main purpose described here matches D.
NEW QUESTION # 75
The Kubernetes project work is carried primarily by SIGs. What does SIG stand for?
Answer: C
NEW QUESTION # 76
In which framework do the developers no longer have to deal with capacity, deployments, scaling and fault tolerance, and OS?
Answer: D
Explanation:
Serverless is the model where developers most directly avoid managing server capacity, OS operations, and much of the deployment/scaling/fault-tolerance mechanics, which is why D is correct. In serverless computing (commonly Function-as-a-Service, FaaS, and managed serverless container platforms), the provider abstracts away the underlying servers. You typically deploy code (functions) or a container image, define triggers (HTTP events, queues, schedules), and the platform automatically provisions the required compute, scales it based on demand, and handles much of the availability and fault tolerance behind the scenes.
It's important to compare this to Kubernetes: Kubernetes does automate scheduling, self-healing, rolling updates, and scaling, but it still requires you (or your platform team) to design and operate cluster capacity, node pools, upgrades, runtime configuration, networking, and baseline reliability controls. Even in managed Kubernetes services, you still choose node sizes, scale policies, and operational configuration. Kubernetes reduces toil, but it does not eliminate infrastructure concerns in the same way serverless does.
Docker Swarm and Mesos are orchestration platforms that schedule workloads, but they also require managing the underlying capacity and OS-level aspects. They are not "no longer have to deal with capacity and OS" frameworks.
From a cloud native viewpoint, serverless is about consuming compute as an on-demand utility. Kubernetes can be a foundation for a serverless experience (for example, with event-driven autoscaling or serverless frameworks), but the pure framework that removes the most operational burden from developers is serverless.
NEW QUESTION # 77
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