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[简答题]某航空公司的主要业务系统(如订票系统、航班调度系统等)始建于二十世纪七八十年代,之后随着信息化的进展,陆续积累了许多异构的遗产信息系统。这些系统部分采用了J2EE、.NET等技术进行开发,分布在不同的地理位置,采用不同的协议进行数据传输。近年来,该公司在企业集成方面也是煞费苦心,已经在几个主要的核心系统之间构建了用于信息集成的信息Hub (Information Hub),其他业务应用之间也有不少点到点的集成。尽管这些企业集成技术在一定程度上增进了系统问的信息共享,但是面对历史异构的遗产信息系统,企业的业务整合、功能整合仍是困难重重,主要表现如下。
(1)由于大部分核心应用构建在主机之上,因此Information Hub是基于主机技术开发,很难被开放系统使用。
(2)Information Hub对事件支持不强,被集成的系统问的事件以点到点流转为主,被集成系统间耦合性强。
(3)牵扯到多个系统间的业务协作以硬编码为主,将业务活动自动化的成本高,周期长,被开发的业务活动模块重用性差。
某软件开发公司承接了该航空公司应用系统的集成任务,项目组经过多方讨论和论证之后,决定采用以面向服务为中心的企业集成技术,一步步解决该公司所面临的企业集成问题。
若项目组采用Web Service作为基于SOA集成方法的实现技术,请根据该航空公司目前的实际情况,用300字以内的文字说明系统应该分为哪几个层次,并简要说明每个层次的功能。

热门试题:

[判断题]《铁路旅客运输规程》中规定,乘坐普通旅客列车,每件物品外部尺寸长、宽、高之和不超过160cm。()
A.正确
B.错误
[填空题]凡有防水要求的房间应有(  )试验记录或(  )试验记录。
[多项选择]异养微生物碳源的是()
A. 牛肉膏
B. 含碳有机物
C. 石油
D. 含碳无机物
[单选题]峭壁、陡坡的工作场地或人行道上,冰雪、碎石、泥土应经常清理,靠外面一侧应设1050~1200mm高的栏杆,栏杆内侧设()高的侧板。
A.180mm
B.150mm
C.120mm
D.210mm
[简答题]热力管道支吊架制作及安装有哪些要求?
[单选题]在NetNumenN31策略管理中,下列说法错误的是()
A.策略管理可以删除网管系统中存在的大量告警、日志等
B.策略管理分为周期策略和定时策略
C.对于周期策略可以根据需求和实际情况来设置周期长短
D.创建一个策略后一般不可以立即执行该策略
[单项选择]装拆接地线的导线端时,要与()保持足够的安全距离,防止触电。
A. 构架
B. 瓷质部分
C. 带电部分
D. 导线之间
[单选题](467485)某实验室温度恒定,但比方法要求偏高,使测定结果不准确,所引起的误差是( )。(1.0分)
A.系统误差
B.偶然误差
C.过失误差
D.随机误差
[单选题]功率放大器处于多级放大器的( )
A.输入级
B.第二级
C.中间级
D.输出级
[简答题] 工作许可人的安全责任有哪些?
[单项选择]Chickens kept in this way are not only tasteless as food, they also produce eggs which ______.
A. lack important fibres
B. lack important protein
C. lack important minerals
D. lack important vitamins
[多项选择]下列事项中,应当办理会计手续并进行会计核算的有( )。
A. 签订采购合同
B. 资本的增减
C. 财务成果的计算和处理
D. 财物的收发
[单选题]再循环风扇位于什么位置?
A.前货舱后壁板
B.后货舱后壁板
C.电子舱
D.客舱里
[单选题]生产经营单位的主要负责人未履行《安全生产法》规定的安全生产管理职责,导致发生发生一般事故,由应急管理部门 ( )。
A. 处上一年年收入百分之三十的罚款
B. 处上一年年收入百分之四十的罚款
C. 处上一年年收入百分之五十的罚款
D. 处上一年年收入百分之六十的罚款
[单选题]严重歪曲测量结果的误差叫( )。
A.偶然误差
B.系统误差
C.疏失误差
D.绝对误差
[判断题]现场上常用的压力表校对方法是换新法、落零法、用标准压力表核对法。( )
A.正确
B.错误
[判断题]市级以上地方人民政府应当将重污染天气应对纳入突发事件应急管理体系。( )
A.正确
B.错误
[不定项选择题]共用题干 Staying Active in Old Age Keeps People Mobile

People over 70 who aren't active are more likely to develop problems walking or climbing stairs within a few years,according to a new study.
These findings suggest that it's very important to stay________(1)in old age, study author Dr. Marjolein Visser told Reuters Health.
"Physical activity in old age is as important_________(2)taking your medications
(药物),"Visser noted. "You do not need to join an expensive,fancy sports club with high-
tech(高科技的)equipment. Your body will already_______ ( 3 ) from regular
walking."
Visser , a Dutch(荷兰的)scholar, explained that________ ( 4 ) active helps
prevent people from becoming breathless during simple activities,increase muscle mass and
strength,and maintain the balance people need to walk up stairs,for instance.
To investigate how important exercise is to older adults,Visser's team interviewed
3,075 men and_________(5)between the ages of 70 and 79,all of whom said they
had no problems walking one-quarter of a mile or climbing_________(6).The
investigators followed the subjects for 4 1 /2 years,noting who developed problems
________(7)and climbing stairs.
During the study,34 percent of men and 47________(8)of women said they
began to struggle with walking and climbing stairs.People________(9)were inactive
were twice as likely to report these problems as people who said they got regular exercise.
People who didn't exercise but had active lifestyles appeared to be at a somewhat
higher risk of developing__________(10)walking and climbing stairs,relative to people
who exercised__________(11).Still,leading an active lifestyle appeared to protect
people___________(12)problems better than being generally inactive,the researchers
report in the Journal of the American Geriatrics(老年医学)Society.
Among people who were inactive,__________(13)who walked even a little bit-such as
brisk(轻快的)walking for a little over an hour per week-were at a lower________(14) of
mobility(可动性)problems.
"If you do not like to exercise or you cannot exercise__________(15)of serious
health problems or functional limitations,do try to be as active as possible,"Visser advised. _________(2)
A.than
B.so
C.as
D.to
[判断题]GIS线路型电压互感器现场检验,每个开断点至少有一个非同样原理或非同源的指示发生对应变化,且所有这些确定的指示均已同时发生对应变化。
A.正确
B.错误
[单项选择]高通货膨胀下的GDP增长必将导致证券价格的()。
A. 上涨
B. 剧烈波动
C. 下跌
D. 不确定
[判断题]将油样倒入1000mL透明量筒后,量筒内应保留10mm剩余空间。
[单选题]以下应急预案中,制定部门不是国务院应急管理部的是( )。
A.矿山事故灾难应急预案;
B.危险化学品事故灾难应急预案;
C.城市供气系统重大事故应急预案;
D.海洋石油天然气作业事故灾难应急预案
[单选题]( )在纪念中华人民共和国宪法公布实行30周年大会上的讲话指出:宪法的生命在于实施,宪法的权威也在于实施。
A.
B.李克强
C.胡锦涛
D.温家宝
[单选题]在超过( )坡度的线路上停留车辆应采取安全的防溜措施。
A.1.5‰
B.2.0‰
C.2.5‰
D.4‰
[单项选择]当国家公务员认为自己受到单位的不公平待遇时,可以向哪些部门提出申诉()。
A. 人民法院
B. 人民代表大会及其常委会
C. 人民检察院
D. 行政监察机关
[简答题]问题同上
[单项选择]微生物限度检查法针对的药物制剂是()。
A. 粉末片剂
B. 颗粒制剂
C. 中草药
D. 丸剂
E. 以上都是
[单项选择]Most of the people who appear most often and most gloriously in the history books are great conquerors and generals and soldiers, whereas the people who really helped civilization forward are often never mentioned at all. We do not know who first set a broken leg, or launched a seaworthy boat, or calculated the length of the year, or manured a field; but we know all about the killers and destroyers. People think a great deal of them, so much so that on all the highest pillars in the great cities of the world you will find the figure of a conqueror or a general or a soldier. And I think most people believe that the greatest countries are those that have beaten in battle the greatest number of other countries and ruled over them as conquerors. It is just possible they are, but they are not the most civilized. Animals fight; so do savages; hence to be good at fighting is to be good in the way in which an animal or a savage is good, but it is not to be civilized. Even being good at getting
A. those who have fought and bullied cannot be considered civilized.
B. there is nothing wrong if civilized people do some fighting and bullying.
C. even civilized people have done some fighting and bullying.
D. civilized people have never done any fighting and bullying.
[单选题]客运服务人员严禁在岗位上使用( )(除工作需要外)。
A.手机
B.对讲机
C.计算器
D.计算机
[单选题]以下哪种不属于李总讲述的安全管理理念( )。
A.安全是企业最大的效益,安全高于一切
B.安全是聘用的条件
C.风险就是事故,事故等于损失
D.现场监护人是最重要的安全守护神
[单选题]38、多层建筑灭火救援,人员搜救应贯穿于灭火救援全过程,搜救顺序为:( )。
A.A、着火层—着火层上层—着火层下层
B.B、着火层—着火层下层—着火层上层
C.C、着火层下层—着火层—着火层上层
D.D、着火层上层—着火层—着火层下层
[多选题]企业纪律处分:包括()、()、()、()、留用察看、开除。
A.警告
B.记过
C.记大过
D.撤职
[单项选择]阴燃是()的燃烧特点。
A. 固体
B. 液体
C. 气体
D. 固体、液体、气体
[简答题]春花现象是什么?
[单项选择](In an effort to) produce the largest, fastest, most luxurious ship afloat, the British built the Titanic. It was so superior to (anything) (on the seas) that it (was dubbed) "unsinkable".
A. In an effort to
B. anything
C. on the seas
D. was dubbed
[单项选择]在我国,下列属于成长期的行业是( )。
A. 个人用计算机
B. 遗传工程
C. 纺织
D. 超级市场
[多项选择]社会主义市场经济中按劳分配的“劳”是指
A. 通过价值形式来实现的劳动
B. 不同形式的具体劳动
C. 直接的社会劳动
D. 公有制企业的局部劳动

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