Heterogeneous network environments consist of computer systems from(1)vendors that run(2)operating systems and communication protocols.An organization that(3)its computer resources is usually(4)the task of integrating its heterogeneous systems.Typically，each deparlment or division has defined its own network needs(5)0S，LAN topology，communication protocols，applications，and other components.

　　(1)A.same

　　B.similar

　　C.different

　　D.difference

　　(2)A.same

　　B.similar

　　C.different

　　D.difference

　　(3)A.consolidates

　　B.consists

　　C.considerate

　　D.consoles

　　(4)A.faced on

　　B.faced with

　　C.faced about

　　D.faced up to

　　(5)A.in general

　　B.in any term

　　C.in set terms

　　D.in terms of

　　答案：(1)C (2)C (3)A (4)B (5)D

　　解析：異構網絡環境由不同制造商生產的計算機系統組成，這些計算機運行不同的操作系統和通信協議。任何一個想統計計算機資源的組織通常會面臨整合異構系統的任務。典型地，每一個部門或分部已經規定了自己的網絡需要，根據操作系統、局域網拓撲結構、通信協議、應用程序及其它因素。