服务器的部署是网络规划的重要环节。某单位网络拓扑结构如图4-9所示，需要部署VOD服务器、Web服务器、邮件服务器，此外还需要部署流量监控服务器对单位内部网络流量进行监控。VOD服务器应部署在位置 (4) ，Web服务器应部署在位置 (5) ，流量监控服务器应部署在位置 (6) 。上述服务器中，流出流量最大的是 (7) ，流入流量最大的是 (8) 。
A．①
B．②
C．③
D．④
参考答案：B
A．(A) It would be a win-win situation for both of us if we set up an agency for marketing your products.
B．(B) We believe that marketing your products on your behalf in Shanghai would be rather costly in the beginning.
C．(C) It is our firm belief that we will bring a lot of benefit to your agency in Shanghai.
D．(D) We totally agree to market your products in Shanghai if your firm can set up an agency on our behalf.