Questions

Answer the following questions to test your knowledge of this chapter:

1. You should use overlay2 for CentOS and RHEL 7 and below. (True/False)
2. Which of the following statements is true? (Choose four)

   A. Volumes increase IOPS.

   B. Volumes decrease IOPS.

   C. tmpfs mounts use system memory.

   D. You can use bind mounts to mount host files to containers.

   E. You can use volume mounts for a multi-instance active-active configuration.

3. Changing the storage driver removes existing containers from the host. (True/False)
4. devicemapper is a better option than overlay2 for write-intensive containers. (True/False)
5. Which of the following logging drivers are supported by Docker? (Choose four)

   A. journald

   B. Splunk

   C. JSON files

   D. Syslog

   E. Logstash

6. Docker Compose is an imperative approach to managing containers. (True/False)
7. Which of the following docker run configurations are correct? (Choose three)

   A. docker run nginx

   B. docker run --name nginx nginx:1.17.3

   C. docker run ...