151. The three typical opentelemetry data is?
A. Metrics
B. Traces
C. Logs
D. All of the options
Answer
D
152. What is the use of labels in Kubernetes?
A. All of the options
B. It is used to assign annotation to an object
C. It is used to assign key-value pair to an object
D. It is used to assign a name to an object.
Answer
C
153. What framework allows developers to write code without worrying about the servers and operating systems they will run on?
A. Serverless
B. Docker
C. Kubernetes
D. Virtualization
Answer
A
154. Which project is not a dominant CNCF project in the storage landscape?
A. Envoy
B. Vitess
C. Rook
D. TiKV
Answer
A
155. Which project in this list is a leading project in the observability space?
A. Jaeger
B. Vitess
C. Argo
D. Kubernetes
Answer
A
156. A new Pod is created. Then, the Pod is assigned to a Node. Which Kubernetes component was re-sponsible for determining which Node to assign the Pod to?
A. kubelet
B. Scheduler
C. API Server
D. Controller manager
Answer
B
157. What is etcd used for in Kubernetes?
A. Integration with cloud platforms
B. Network routing for the cluster
C. Kubernetes API security
D. Backend object storage for the Kubernetes API
Answer
D
158. Which of the following factors does scheduling take into account when selecting a Node?
A. How many replicas there are in a Deployment
B. Services
C. Resource requirements
D. The number of existing Pods on a Node
Answer
C
159. Which style of operations are preferred for kubernetes and cloud-native applications?
A. Imperative
B. None of the above
C. Declarative
Answer
C
160. How to get the logs of the previously terminated nginx container from the web pod?
A. kubectl logs -p -c nginx web
B. kubectl logs nginx
C. kubectl logs -p -c web nginx
D. kubectl logs -f -c nginx web
Answer
A
161. You might need to run a stateless application in kubernetes, and you want to be able to scale easily and perform rolling updates. What kubernetes resource type can you use to do this
A. Dameon set
B. Replica set
C. Deployment
D. pod
E. service
F. Stateful set
Answer
C
162. Which prometheus metric type represents a single number value that can increase and decrease over time?
A. Gauge
B. Histogram
C. Summary
D. Counter
Answer
A
163. Which of the following best describes a cloud-native app?
A. An application where all logic is coded into a single large binary.
B. An application that publishes an HTTPS web front-end.
C. An application that takes advantages of cloud computing fromworks and their loosely coupled cloud services.
D. An application that leverages services that are native to public cloud platforms such as Azure, GCP, and/or AWS.
Answer
C
164. There are three Nodes in a cluster, and want to run exactly one replica of a Pod on each Node. Pre-fer to automatically create a replica on any new Nodes when they are added. Which Kubernetes re-source should you use?
A. DaemonSet
B. ReplicaSet
C. NodeSet
D. StatefulSet
E. Deployment
Answer
A