i need a case study on the below mentioned topic apa format and references are important

I need a case study on the below mentioned topic. APA format and references are important

Cisco Systems: Evolution of Structure (page 612).

After reading the case, answer the following questions:

1.Discuss the organizational structure at Cisco Systems.

2.What design changes were needed?

3.How did globalization affect Cisco’s structure?

4.How has Cisco’s structure continued to evolve?