Enterprise JavaBeans (EJB) technology is the (1) component architecture for the Java 2 Plat- form, Enterprise Edition (J2EE) platform. EJB technology enables rapid and simplified development of(2),(3), secure and portable applications based on Java technology. In EJB 2. x, there are three kinds of enterprise beans : (4), ( 5 ) ,message - driver bean.

　　( 1 ) A. client - side

　　B. server - side

　　C. database - side

　　D. HTTFP - side

　　(2), ( 3 ) A. distributed

　　B. integration

　　C. transactional

　　D. international

　　(4) ,(5)A. instance bean

　　B. entity bean

　　C. transaction bean

　　D. session bean

　　答案:(1)B (2)A (3)C (4)B (5)D

　　解析：企業(yè)級(jí)JavaBeans(EJB)技術(shù)是Jaya 2平臺(tái)上服務(wù)器端的組建架構(gòu)體系。即J2EE平臺(tái)。EJB技術(shù)使企業(yè)能夠快速、簡(jiǎn)便地開發(fā)出基于Java技術(shù)的分布式的、事務(wù)完整的、安全和輕便的企業(yè)級(jí)應(yīng)用。在EJB2·x中，共有3種企業(yè)級(jí)bean：實(shí)體bean、會(huì)話bean、消息驅(qū)動(dòng)bean。