Which of the following should the company deploy to ensure excellent TV and telephone service?

A national cable company providing TV, telephone, and Internet service to home users over its IP
network, has been tracking a large increase of network bandwidth due to P2P file sharing. Which of
the following should the company deploy to ensure excellent TV and telephone service?

A.
QoS

B.
Load balancing

C.
High availability

D.
Fiber optics