全国计算机软考网管英语试题及答案(1)Heterogeneous network environments consist of computer systems from(1)vendors that run(2)operating systems and communication protocolsAn organization that(3)its computer resources is usually(4)the task of integrating its heterogeneous systemsTypically，each deparlment or division has defined its own network needs(5)0S，LAN topology，communication protocols，applications，and other components(1)AsameBsimilarCdifferentDdifference(2)AsameBsimilar
