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| Section | Objectives |
|---|---|
| Topic 1: Cloud Native Architecture | - Microservices and distributed systems
|
| Topic 2: Cloud Native Application Delivery | - CI/CD and deployment strategies
|
| Topic 3: Kubernetes Fundamentals | - Core Kubernetes concepts
|
| Topic 4: Cloud Native Observability | - Monitoring and logging
|
| Topic 5: Container Orchestration | - Container lifecycle and scheduling
|
| Topic 6: Cloud Security and Governance | - Security fundamentals in cloud native systems
|
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NEW QUESTION # 105
You have a Kubernetes cluster running on AWS. You want to configure a persistent volume claim (PVC) that uses an AWS EBS volume for storage. Which annotation can be used to specify the EBS volume type?
Answer: E
Explanation:
The annotation •volume.beta.kubernetes.io/aws-ebs-volume-type• is used to specify the EBS volume type (e.g., 'gp2 , 701', 'standard') when using an AWS EBS volume for persistent storage. Option 'A' is used to specify the storage class for the PVC. Option 'B' specifies the storage provisioner, which is responsible for creating the volume. Option 'D' is used to specify the size of the EBS volume. Option 'E' is for specifying whether the EBS volume should be encrypted.
NEW QUESTION # 106
Which two elements are shared between containers in the same pod?
Answer: C
Explanation:
The correct answer is C: Storage and network resources. In Kubernetes, a Pod is the smallest schedulable unit and acts like a "logical host" for its containers. Containers inside the same Pod share a number of namespaces and resources, most notably:
Network: all containers in a Pod share the same network namespace, which means they share a single Pod IP address and the same port space. They can talk to each other via localhost and coordinate tightly without exposing separate network endpoints.
Storage: containers in a Pod can share data through Pod volumes. Volumes (like emptyDir, ConfigMap/Secret volumes, or PVC-backed volumes) are defined at the Pod level and can be mounted into multiple containers within the Pod. This enables common patterns like a sidecar writing logs to a shared volume that the main container generates, or an init/sidecar container producing configuration or certificates for the main container.
Why other options are wrong: liveness probes (A) are defined per container (or per Pod template) but are not a "shared" resource between containers. A container image registry (B) is an external system and not a shared in-Pod element. Dockerfiles (D) are build-time artifacts, irrelevant at runtime, and not shared resources.
This question is a classic test of Pod fundamentals: multi-container Pods work precisely because they share networking and volumes. This is also why the sidecar pattern is feasible-sidecars can intercept traffic on localhost, export metrics, or ship logs while sharing the same lifecycle boundary and scheduling placement.
Therefore, the verified correct choice is C.
NEW QUESTION # 107
You are running a service in Kubernetes that uses a persistent volume. You need to ensure that the volume is automatically cleaned up when the service is deleted. Which of the following approaches would you use?
Answer: C
Explanation:
Setting the 'persistentVolumeReclaimPolicy' to 'Delete' in the PersistentVolumeClaim ensures that the volume is automatically deleted when the PVC is deleted. This is the most straightforward and recommended approach for cleaning up persistent volumes in Kubernetes.
NEW QUESTION # 108
You are running a microservices application in Kubernetes. Each microservice has its own Deployment and Service. You want to ensure that communication between these microservices is secure. Which Kubernetes feature would be most appropriate for this purpose?
Answer: C
Explanation:
NetworkPolicy is a Kubernetes feature that allows you to define network security rules for Pods. You can use NetworkPolicies to control which Pods can communicate with each other, as well as which external networks they can access. This helps you secure communication between microservices within your application, preventing unauthorized access.
NEW QUESTION # 109
What does the livenessProbe in Kubernetes help detect?
Answer: B
Explanation:
The livenessProbe is used to detect whether a running container has become unresponsive or is in a failed state, allowing Kubernetes to automatically restart the container to recover from the failure.
NEW QUESTION # 110
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