The KCNA Book

Appendix A: Chapter quiz answers

This appendix lists the answers to all the in-chapter quizzes. See Appendix B for the answers to the Sample Test.

Chapter 1: Setting the scene

Question 1, answers A, B, D

Answer C is not correct because containers are less secure than virtual machines. This is due to the shared kernel model.

Question 2, answer B

Every virtual machine has its own kernel and is therefore more secure than a container. However, this makes them bigger, slower to start, and not a good fit for microservices architectures.

Question 3, answer D

Each container is a virtual operating system with its own root filesystem, its own process tree, and its own eth0 network interface.

Question 4, answers A, D

Containers virtualise operating system ...