Which three of the following characteristics are network fundamentals that provide WAN and LAN connectivity in the Integrated Services layer of the branch office design model?

Which three of the following characteristics are network fundamentals that provide WAN and LAN connectivity in the Integrated Services layer of the branch office design model? (Choose three.)

A.
scalability

B.
performance

C.
management

D.
high availability

E.
quality of service

F.
IP addressing and routing