Docker Storage MCQ Questions & Answers
Docker Storage MCQs : This section focuses on "Storage" of Docker. These Multiple Choice Questions (MCQ) should be practiced to improve the Docker skills required for various interviews (campus interview, walk-in interview, company interview), placements, entrance exams and other competitive examinations.
1. which of the following is a stable driver; can be used for production-ready applications?
A. AUFS
B. Devicemapper
C. Btrfs
D. Ovelay
View Answer
Ans : A
Explanation: AUFS is a stable driver; can be used for production-ready applications.
2. Which of the following driver is good for testing applications in the lab?
A. AUFS
B. Devicemapper
C. Btrfs
D. Ovelay
View Answer
Ans : B
Explanation: Devicemapper driver is good for testing applications in the lab.
3. Btrfs driver is in line with the main Linux kernel functionality.
A. Yes
B. No
C. Can be yes or no
D. Can not say
View Answer
Ans : A
Explanation: Yes, Btrfs driver is in line with the main Linux kernel functionality.
4. which of the following is true about Ovelay driver?
A. This is a stable driver and it is in line with the main Linux kernel functionality.
B. It has a good memory usage.
C. This driver is good for testing applications in the lab.
D. All of the above
View Answer
Ans : D
Explanation: All of the above are true about Ovelay driver
5. To see the storage driver being used, issue the _________ command.
A. docker volume
B. docker info
C. docker hint
D. docker pretty
View Answer
Ans : C
Explanation: To see the storage driver being used, issue the docker info command.
6. Which of the following are features of data volume?
A. They are initialized when the container is created.
B. They can be shared and also reused amongst many containers.
C. They exist even after the container is deleted.
D. All of the above
View Answer
Ans : D
Explanation: ALl of the above are features of data volume
7. You can also list all the docker volumes on a docker host using ______ command.
A. list
B. ls
C. show
D. use
View Answer
Ans : B
Explanation: You can also list all the docker volumes on a docker host using docker volume ls command.
8. ZFS is a stable driver and it is good for testing applications in the lab.
A. TRUE
B. FALSE
C. Can be true or false
D. Can not say
View Answer
Ans : A
Explanation: True, ZFS is a stable driver and it is good for testing applications in the lab.
9. In Docker, you have a separate volume that can shared across containers. These are known as?
A. data values
B. data storage
C. data volumes
D. None of the above
View Answer
Ans : C
Explanation: In Docker, you have a separate volume that can shared across containers. These are known as data volumes.
10. A volume can be created beforehand using the docker command.
A. Yes
B. No
C. Can be yes or no
D. Can not say
View Answer
Ans : A
Explanation: Yes, A volume can be created beforehand using the docker command.
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