Linux Foundation Certified Kubernetes Administrator (CKA) – Quiz 1 / 15 Category: Linux Foundation Certified Kubernetes Administrator (CKA) What does a pod represent in a Kubernetes cluster?Choose the Answer: A. A running process B. Conditions under which applications will autoscale C. A set of rules for maintaining high availability D. All the containers in the cluster 2 / 15 Category: Linux Foundation Certified Kubernetes Administrator (CKA) If memory is running low on a running node, which of these keys will return “True”? Choose the Answer: A. OOM B. Warning C. MemoryPressure D. LowMemory 3 / 15 Category: Linux Foundation Certified Kubernetes Administrator (CKA) The connection between the apiserver and nodes, pods and services: Choose the Answer: A. Is unencrypted and therefore unsafe to run over public networks. B. Is always encrypted with IPSec. C. Is always encrypted using the method configured in the .kube file. D. Is currently encrypted with IPSec with plans to allow other encryption plugins later. 4 / 15 Category: Linux Foundation Certified Kubernetes Administrator (CKA) Communications between the apiserver and the kubelet on the cluster nodes are used for all but which of the following? Choose the Answer: A. Providing the kubelet's port-forwarding capability B. Fetching logs for pods C. Keep-alive xml packets D. Attaching (through kubectl) to running pods 5 / 15 Category: Linux Foundation Certified Kubernetes Administrator (CKA) Which of these are not inherently created by Kubernetes? Choose the Answer: A. Services B. Nodes C. Controllers D. Pods 6 / 15 Category: Linux Foundation Certified Kubernetes Administrator (CKA) Usually, when submitting a Kubernetes API call, data is sent in which format? (Select all that apply) A. YAML B. XML C. DOC D. JSON 7 / 15 Category: Linux Foundation Certified Kubernetes Administrator (CKA) Unique IP addresses are assigned to: Choose the Answer: A. NAT is used extensively, so unique IP addresses are irrelevant B. Pods C. Container Hosts D. Containers 8 / 15 Category: Linux Foundation Certified Kubernetes Administrator (CKA) Kubernetes changed the name of cluster members to “Nodes.” What were they called before that? Choose the Answer: A. Workers B. Cogs C. Minions D. Slaves 9 / 15 Category: Linux Foundation Certified Kubernetes Administrator (CKA) Containers are run on which of these? A. Services B. Controllers C. Nodes D. None of these 10 / 15 Category: Linux Foundation Certified Kubernetes Administrator (CKA) Frank is signed in to his Kubernetes cluster and needs a few additional permissions that he does not currently possess to make his application work. How can he accomplish this? Choose the Answer: A. He can add permissions to a role by simply using kubectl update role B. He can create a new RBAC request to be approved by an administrator with the command kubectl create rolebinding request C. He must seek an administrator that has the permissions he needs to get a role created with those permissions. D. He can create a new role with the permissions he needs and bind that to his user and/or application. 11 / 15 Category: Linux Foundation Certified Kubernetes Administrator (CKA) Security context settings for a pod include all of the following except Choose the Answer: A. AppArmor B. Privileged/Unprivileged C. SecureImage D. AllowPrivlegedEscalation 12 / 15 Category: Linux Foundation Certified Kubernetes Administrator (CKA) In Kubernetes, a group of one or more containers is called:Choose the Answer: A. A selector B. A pod C. A swarm D. A minion 13 / 15 Category: Linux Foundation Certified Kubernetes Administrator (CKA) In a typical deployment, the Kubernetes Master listens on what port number? Choose the Answer: A. 22 B. 3001 C. 80 D. 443 14 / 15 Category: Linux Foundation Certified Kubernetes Administrator (CKA) What is the difference between a Docker volume and a Kubernetes volume? Choose the Answer: A. Proximity: In Docker, volumes can reside on the same host with their containers. In Kubernetes, they must reside on separate metal for resiliency. B. Back-end Drivers. Docker supports more block storage types than Kubernetes does. C. Size: Docker volumes are limited to 3TB. Kubernetes volumes are limited to 16TB. D. Volume lifetimes. In Docker, this is loosely defined. In Kubernetes, the volume has the same lifetime as its surrounding pod. 15 / 15 Category: Linux Foundation Certified Kubernetes Administrator (CKA) Which of these components mount volumes to containers? Choose the Answer: A. kube-proxy B. fluentd C. kubelet D. kube-scheduler Your score is 0% Restart quiz Send feedback
