You work as an account manager at YourDomain .com. YourDomain plan to migrate to an advanced IP telephony solution. However, they are concerned about maintaining staff productivity during the migration process.
What Cisco service and support portfolio should you recommend? Also motivate the selection. (Select two.)

A.
Usage of Advanced Services….

B.
Usage of Technical Service and Support….

C.
Usage of Advisory Services….

D.
Because a key component provides software upgrades that maximize network reliability.

E.
Because a key component helps organization align business requirements with network availability.

F.
Because of the portfolio’s focus on providing customers with Cisco IP expertise.

G.
Because a key component provides online tools and support.