21. What are the most important resources to guarantee the performance of an etcd cluster?
A. CPU and disk capacity.
B. Network throughput and disk I/O.
C. CPU and RAM memory.
D. Network throughput and CPU.
Answer
B
22. How do you perform a command in a running container of a Pod?
A. kubectl exec —
B. docker exec
C. kubectl run —
D. kubectl attach -i
Answer
A
23. How does dynamic storage provisioning work?
A. A user requests dynamically provisioned storage by including an existing storage class in their PersistentVolumeClaim.
B. An administrator creates a storage class and includes it in their pod YAML definition file without creating a PersistentVolumeClaim.
C. A pod requests dynamically provisioned storage by including a storage class and the pod name in their PersistentVolumeClaim.
D. An administrator creates a PersistentVolume and includes the name of the PersistentVolume in their pod YAML definition file.
Answer
A
24. Which of the following is a definition of Hybrid Cloud?
A. An architecture that uses a combination of services running in public and private data centers, only including data centers from the same cloud provider.
B. A cloud native architecture that uses a combination of services running in public clouds, excluding data centers in different availability zones.
C. A cloud native architecture that uses a combination of services running in different public and private clouds, including on-premises data centers.
D. An architecture that uses a combination of services running in public and private data centers, excluding serverless functions.
Answer
C
25. What is a Kubernetes Service Endpoint?
A. It is the API Endpoint of our Kubernetes cluster.
B. It is a name of special Pod in kube-system namespace.
C. It is an IP address that we can access from the Internet.
D. It is an object that gets IP addresses of individual Pods assigned to it.
Answer
D
26. Why is Cloud-Native Architecture important?
A. Cloud Native Architecture revolves around containers, microservices and pipelines.
B. Cloud Native Architecture removes constraints to rapid innovation.
C. Cloud Native Architecture is modern for application deployment and pipelines.
D. Cloud Native Architecture is a bleeding edge technology and service.
Answer
B
27. Which kubernetes component is the smallest deployable unit of computing?
A. StatefulSet
B. Deployment
C. Pod
D. Container
Answer
C
28. Which are the two primary modes for Service discovery within a Kubernetes cluster?
A. Environment variables and DNS
B. API Calls and LDAP
C. Labels and Radius
D. Selectors and DHCP
Answer
A
29. Which of the following capabilities are you allowed to add to a container using the Restricted policy?
A. CHOWN
B. SYS_CHROOT
C. SETUID
D. NET_BIND_SERVICE
Answer
D
30. Which of the following options includes valid API versions?
A. alpha1v1, beta3v3, v2
B. alpha1, beta3, v2
C. v1alpha1, v2beta3, v2
D. v1alpha1, v2beta3, 2.0
Answer
C