Which of the following is the correct statement about the number of signatures and update frequency of the AV signature library of USG6000E series products?

Which of the following is the correct statement about the number of signatures and update frequency of the AV signature library of USG6000E series products?
A . 5 million + once a day
B . 10 million+ once a week
C . 5 million+ once a week
D . 10 million + once a day

Answer: A