A. finding out what a customer requires from a proposed solution
B. analyzes the customer’s business requirements and recommends the appropriate Cisco technologies to meet business requirements
C. finding out what end-user training a customer requires
D. finding out a customer’s physical requirements

A. by securely deploying new applications with appropriate performance levels
B. by providing security that is based on a multilayer，system-level approach
C. by looking subjectively at network traffic for abnormal flows
D. by requiring a host-based hardware application