The chapter also covers automation tools and
introduces the popular configuration management
tools Ansible, Puppet, and Chef. This chapter discusses
Ansible concepts such as control nodes, playbooks,
and modules; Puppet concepts such as Puppet Master,
manifests, and Puppet modules; and Chef concepts
such as Chef Infra Server and cookbooks. This chapter
also covers Cisco NSO, including the architecture of
the platform, common use cases, the network
simulation feature, and using tools such as curl and
Postman. Finally, the chapter provides overviews of
Cisco CML/VIRL and pyATS.
“DO I KNOW THIS ALREADY?” QUIZ
The “Do I Know This Already?” quiz allows you to assess
whether you should read this entire chapter thoroughly
or jump to the “Exam Preparation Tasks” section. If you
are in doubt about your answers to these questions or
your own assessment of your knowledge of the topics,
read the entire chapter. Table 15-1 lists the major
headings in this chapter and their corresponding “Do I
Know This Already?” quiz questions. You can find the
answers in Appendix A, “Answers to the ‘Do I Know This
Already?’ Quiz Questions.”
Table 15-1 “Do I Know This Already?” Section-to-
Question Mapping
Foundation Topics SectionQuestions
Controller Versus Device-Level Management 1,
2
Infrastructure as Code 3,
4
Continuous Integration/Continuous Delivery Pipelines 5,
6