About 50 percent of the installed base of Cisco routers are reaching end of service or end of life. As a result, about 4 million units are expected to be replaced. What are the four strongest arguments to pre-empt competitive attacks? (Choose four.)
A. Price per unit
B. Ability to meet local service provider requirements
C. Transparency of solutions
D. Quality of Cisco software and support
E. Service integration
F. Long investment cycles
