Chapter 22
Evolution of Intelligent Networks

THE FOLLOWING ICND2 EXAM TOPICS ARE COVERED IN THIS CHAPTER:

1. 1.6 Describe the benefits of switch stacking and chassis aggregation
2. 4.2 Describe the effects of cloud resources on enterprise network architecture
   1. 4.2.a Traffic path to internal and external cloud services
   2. 4.2.b Virtual services
   3. 4.2.c Basic virtual network infrastructure
3. 4.3 Describe basic QoS concepts
   1. 4.3.a Marking
   2. 4.3.b Device trust
   3. 4.3.c Prioritization
   4. 4.3.c.
   5. (i) Voice 4.3.c.
   6. (ii) Video 4.3.c.
   7. (iii) Data
   8. 4.3.d Shaping
   9. 4.3.e Policing
   10. 4.3.f Congestion management
4. 4.5 Verify ACLs using the APIC-EM Path Trace ACL analysis tool
5. 5.5 Describe network programmability in enterprise network architecture
   1. 5.5.a Function of a controller
   2. 5.5.b Separation of control plane and data plane
   3. 5.5.c Northbound and southbound APIs

This all-new chapter is totally focused on the CCNA objectives for intelligent networks. I’ll start by covering switch stacking using...