单项选择题 Which statement about IDS/IPS design is correct?（）

单项选择题 Users at the Charleville Company began experiencing high network delays when Internet connectivity was enabled for all users. After investigating the traffic flow, you determine that peerto-peer traffic from a music download site is consuming a large amount of bandwidth. Which QoS mechanism can you implement to improve the network response time?（）

单项选择题 Which design topology incurs a performance penalty since there are two encryption-decryption cycles between any two remote sites?（）