Which of the following statements are correct about the availability of this network?

A certain local area network has been in operation for 1 year (8,760 hours), but it was stopped for 8 hours due to equipment failure. Later, after the network was expanded and new equipment was added, it ran for another year and stopped for another 3 hours due to a software failure.

Which of the following statements are correct about the availability of this network? (Multiple choice)
A . Availability after network expansion is better than before expansion
B. Availability after network expansion is worse than before expansion
C. Before the expansion, the network availability was 99.91%
D. The availability of the network is 99.96% from the time it started running until now

Answer: AC

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