●Heterogeneous network environments consist of computer systems from (66) vendor

●Heterogeneous network environments consist of computer systems from (66) vendors that run (67) operating systems and communication protocols. An organization that (68) its computer resources is usually (69) the task of integrating its heterogeneous systems. Typically, each department or pision has defined its own network needs (70) OS, LAN topology, communication protocols, applications, and other components.

(66) A．same

B．similar

C．different

D．difference

(67) A．same

B．similar

C．different

D．difference

(68) A．consolidates

B．consists

C．considerate

D．consoles

(69) A．faced on

B．faced with

D．faced about

D．faced up to

(70) A．in general

B．in any term

C．in set terms

D．in terms of

C,C,A,B,D【解析】不同种类的网络环境由不同的厂家且运行不同的操作系统的电脑系统和通信协议组成。一个团体合并它的电脑资源通常要面临整合不同种类系统的任务。比如每个部门或者已经定义了自己网络的分组需要按照操作系统，局域网拓扑，通信协议，应用软件和其他成分。