You work as a network consultant at YourDomain .com. One of your clients wants to improve the handling of network problems at the regional offices. In particular they want to simply and automate this task.
What should you tell them?

A.
Use Virtual Private Network (VPN).

B.
Use Network management.

C.
Use Frame Relay.

D.
Use Content delivery network (CDN).

E.
Use High-speed access.