User backup client resources abundant, the production of network resources more nervous, plan once a week for the perfect amount of data between 1 to 2T, backup window 3 hours, the source also delete, delete ratio of 3, bandwidth utilization value of 0.8.
Which of the following network to meet the backup business needs and put in the minimum?
A . GE LAN-Free
B . 10 GE LAN-Base
C . FC LAN-Free
D . Server-Free
Answer: A