1. Which type of Service requires manual creation of Endpoints?
A. LoadBalancer
B. Services without selectors
C. NodePort
D. ClusterIP with selectors
Answer
B
2. Which resource do you use to attach a volume in a Pod?
A. StorageVolume
B. PersistentVolume
C. StorageClass
D. PersistentVolumeClaim
Answer
D
3. Imagine you’re releasing open-source software for the first time. Which of the following is a valid semantic version?
A. 1.0
B. 2021-10-11
C. 0.1.0-rc
D. v1beta1
Answer
C
4. What Linux namespace is shared by default by containers running within a Kubernetes Pod?
A. Host Network
B. Network
C. Process ID
D. Process Name
Answer
B
5. What is Serverless computing?
A. A computing method of providing backend services on an as-used basis.
B. A computing method of providing services for AI and ML operating systems.
C. A computing method of providing services for quantum computing operating systems.
D. A computing method of providing services for cloud computing operating systems.
Answer
A
6. Which of the following options is true about considerations for large Kubernetes clusters?
A. Kubernetes supports up to 1000 nodes and recommends no more than 1000 containers per node.
B. Kubernetes supports up to 5000 nodes and recommends no more than 500 pods per node.
C. Kubernetes supports up to 5000 nodes and recommends no more than 110 pods per node.
D. Kubernetes supports up to 50 nodes and recommends no more than 1000 containers per node.
Answer
C
7. Which component of the node is responsible to run workloads?
A. The kubelet.
B. The kubeproxy.
C. The kube-apiserver.
D. The container runtime.
Answer
D
8. How are ReplicaSets and Deployments related?
A. Deployments manage ReplicaSets and provide declarative updates to Pods.
B. ReplicaSets manage stateful applications, Deployments manage stateless applications.
C. Deployments are runtime instances of ReplicaSets.
D. ReplicaSets are subsets of Jobs and CronJobs which use imperative Deployments.
Answer
A
9. What factors influence the Kubernetes scheduler when it places Pods on nodes?
A. Pod memory requests, node taints, and Pod affinity.
B. Pod labels, node labels, and request labels.
C. Node taints, node level, and Pod priority.
D. Pod priority, container command, and node labels.
Answer
A
10. What is the core metric type in Prometheus used to represent a single numerical value that can go up and down?
A. Summary
B. Counter
C. Histogram
D. Gauge
Answer
D