Chapter 14, “Application Security”: This chapter introduces
application security issues, the methods of how to secure applications
via modern networking components, and various tools used.
Additionally, this chapter also discusses the Open Web Application
Security Project (OWASP)’s top ten.
Chapter 15, “Infrastructure Automation”: This chapter
introduces several infrastructure automation concepts including
controller versus device-level management, infrastructure as code,
continuous integration/continuous delivery pipelines, and automation
tools such as Ansible, Puppet, and Chef. An overview of Cisco-related
products such as Cisco NSO, Cisco VIRL, and pyATS is also presented.
Chapter 16, “Network Fundamentals”: This chapter presents
several key networking concepts including networking reference
models, switching, and routing concepts. OSI and TCP/IP reference
models, Ethernet, MAC addresses, and VLANs—as well as IPv4 and
IPv6 addressing concepts—are discussed in this chapter.
Chapter 17, “Networking Components”: This chapter introduces
some basic networking concepts, including network definitions, types,
and elements such as hubs, switches, and routers. Further, it presents
and differentiates between process, fast, and CEF switching. It also
introduces software-defined networking discussing management, data,
and control planes.
Chapter 18, “IP Services”: This chapter starts by covering several
protocols and technologies that are critical to networking: DHCP, DNS,
NAT, SNMP, and NTP. The chapter continues with an overview of
Layer 2 versus Layer 3 network diagrams and ends with a look at how
to troubleshoot application connectivity issues.CERTIFICATION EXAM TOPICS AND THIS BOOK
The questions for each certification exam are a closely
guarded secret. However, we do know which topics you
must know to successfully complete this exam. Cisco
publishes them as an exam blueprint for DevNet
Associate DEVASC 200-901 exam. Table I-1 lists each
exam topic listed in the blueprint along with a reference
to the book chapter that covers the topic. These are the
same topics you should be proficient in when working
with network programmability and automation in the
real world.
Table I-1 DEVASC Exam 200-901 Topics and
Chapter References