300-910 Free Practice Test

What are two reasons a Docker golden image should be updated? (Choose two.)

1. A. when there is a change to a username or password in the Docker secrets
2. B. when the application has a new release
3. C. when a fix for a security vulnerability is released
4. D. when a change is needed to an environment variable in the Dockerfile
5. E. when the base image is nearing the end of life

Correct Answer: BC

Which step must be taken to enable centralized logging in a Kubernetes environment?

1. A. No steps need to be take
2. B. The master node automatically aggregates logs from all worker nodes and stores them on the specified persistent volume.
3. C. Create a CustomResourceDefinition in each deployment that specifies the IP or names the log collector.
4. D. Deploy a sidecar node that aggregates logs from the entire cluster.
5. E. Create a DaemonSet that deploys a container with a logging agent on every node in the cluster.

Correct Answer: C

Refer to the exhibit. What is the user doing with Drone in this automated test?

1. A. testing Alpine Linux versus Ubuntu Linux
2. B. testing a PostgreSQL DB against multiple architectures
3. C. testing only the amd64 architecture
4. D. testing PostgreSQL deployment in an Alpine Linux VM

Correct Answer: D

Which two elements help to secure your API keys? (Choose two.)

1. A. ramdomness
2. B. SHA1
3. C. triple AES
4. D. rotation
5. E. dictionary

Correct Answer: AC

Which Kubernetes object is used to create a ClusterIP or NodePort?

1. A. service
2. B. pod
3. C. deployment
4. D. loadbalancer

Correct Answer: A