无线试题(2)

匿名网友 匿名网友 发布于: 2015-08-30 00:00:00
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、填空
1、  T30T0002 处理短消息中心问题的三个维护工具是{                },{            },{    }。                                                                                                                                                                                 处理短消息中心问题的三个维护工具是{排队机维护终端WS},{短消息维测台},{DEMO}。

2、T30T0004 短消息调度中心的三种调度机制是{                  },{                },{              }。                                                                                                                                                                     短消息调度中心的三种调度机制是{ALERT-SC触发短消息},{周期性重发短消息},{定时触发短消息}。

3、  T30T0015 在短消息中心的的路由配置涉及:{    },{      },{        },{   };                                                                                                                                                                                            在短消息中心的的路由配置涉及:{帐号},{源地址},{目的地址},{PID};

4、T30T0003 在短消息的SCCP层信令的消息类型标签中62为对话开始,{   }为对话结束,{   }为对话继续,{   }为对话出错;ForwarMessage的操作码为{  },取路由消息的操作码是{  },用户不在服务区的错误码为{   }。                                                                    在短消息的SCCP层信令的消息类型标签中62为对话开始,{64}为对话结束,{65}为对话继续,{67}为对话出错;ForwarMessage的操作码为{2E},取路由消息的操作码是{2D},用户不在服务区的错误码为{1B}。

二、选择
T30X0001 短消息中心目前支持的虚拟短消息中心数量为:(  )                                                                                                                                                                                                                 A、2                                                                                                                                                                                                                                                           B、32                                                                                                                                                                                                                                                          C、128                                                                                                                                                                                                                                                         D、256                                                                                                                                                                                                                                                         正确答案:D
T30X0002 一个用户提交短消息到短消息中心时的鉴权顺序是:(  )                                                                                                                                                                                                             A、用户鉴权、号段鉴权、PPS路由表                                                                                                                                                                                                                               B、用户鉴权、PPS路由表、号段鉴权                                                                                                                                                                                                                               C、PPS路由表、号段鉴权、用户鉴权                                                                                                                                                                                                                               D、PPS路由表、用户鉴权、号段鉴权                                                                                                                                                                                                                               正确答案:B
T30X0003 我司短消息调度中心对外SMPP接口的端口号为: (  )                                                                                                                                                                                                                A、7000                                                                                                                                                                                                                                                        B、2000                                                                                                                                                                                                                                                        C、5016                                                                                                                                                                                                                                                        D、5018                                                                                                                                                                                                                                                        正确答案:C
T30X0004 A用户(使用短消息中心A1)发送短消息给B用户(使用短消息中心B1),下面描述正确的是:(      )                                                                                                                                                                    A、由短消息中心A1将短消息转移到短消息中心B1,,然后由B1下发给B用户                                                                                                                                                                                              B、由短消息中心A1经B用户归属的HLR转发给B用户                                                                                                                                                                                                                   C、由短消息中心A1下发给B用户                                                                                                                                                                                                                                   D、由A用户提交到短消息中心B1,然后由短消息中心B1下发给用户B                                                                                                                                                                                                    正确答案:C
T30X0005 短消息中心2.8版本每秒钟可以处理的消息数量是:                                                                                                                                                                                                                     A、300                                                                                                                                                                                                                                                         B、600                                                                                                                                                                                                                                                         C、1200                                                                                                                                                                                                                                                        D、2400                                                                                                                                                                                                                                                        正确答案:C
T30X0006 消息从网关排队机送到短消息中心的过程中最先由(  )处理。                                                                                                                                                                                                         A、CTI Server                                                                                                                                                                                                                                                  B、MTI Server                                                                                                                                                                                                                                                  C、MAP Server                                                                                                                                                                                                                                                  D、MT server                                                                                                                                                                                                                                                   正确答案:A
T30X0007 ScheduleDaemon实现循环日程安排,以下描述正确的是:(    )                                                                                                                                                                                                     A、ScheduleDaemon 在秘书台提交循环日程安排需求时,将所有日程安排短消息提交到短消息中心                                                                                                                                                                         B、ScheduleDaemon每日定时扫描数据库,将需要在当日发送的循环日程安排短消息提交到短消息中心                                                                                                                                                                      C、秘书台系统每日定时将循环日程安排通知ScheduleDaemon,然后由ScheduleDaemon提交短消息到短消息中心                                                                                                                                                              D、以上都不对                                                                                                                                                                                                                                                  正确答案:B
T30X0008 ICD平台各软件模块之间是通过(     )进行通信的,无论以任何方式退出此通信组件将给系统带来危险。                                                                                                                                                                 A、ICDCOMM                                                                                                                                                                                                                                                     B、DCOM                                                                                                                                                                                                                                                        C、PROXY                                                                                                                                                                                                                                                       D、CTI_SERVER                                                                                                                                                                                                                                                  正确答案:A
T30X0009 在PLMN网络中的NSS子系统,短消息业务是通过(     )进行信息传递得。                                                                                                                                                                                             A、话音信道                                                                                                                                                                                                                                                    B、SS#7信令信道                                                                                                                                                                                                                                                C、数据网传输                                                                                                                                                                                                                                                  D、无线寻呼信道                                                                                                                                                                                                                                                正确答案:B
T30X0010 短消息业务被(      )所承载。                                                                                                                                                                                                                                 A、TUP                                                                                                                                                                                                                                                         B、ISUP                                                                                                                                                                                                                                                        C、MAP                                                                                                                                                                                                                                                         D、SCCP                                                                                                                                                                                                                                                        正确答案:C
T30X0011 所有的暂时未下发的短消息都存储在(    )内。                                                                                                                                                                                                                   A、SMS G/IW MSC                                                                                                                                                                                                                                                B、HLR                                                                                                                                                                                                                                                         C、短消息调度中心                                                                                                                                                                                                                                              D、VLR                                                                                                                                                                                                                                                         正确答案:C
T30X0012 我司短消息中心对外提供的业务接口是(  )协议。                                                                                                                                                                                                                   A、SMPP                                                                                                                                                                                                                                                        B、ETSI                                                                                                                                                                                                                                                        C、DCOM                                                                                                                                                                                                                                                        D、SMEI                                                                                                                                                                                                                                                        正确答案:D

T30X0023 HLR向短消息中心提交ALERT-SC消息的条件有: (   )                                                                                                                                                                                                              A、因用户缺席导致HLR中已经置位的手机开机时;                                                                                                                                                                                                                   B、因手机内存溢出导致HLR中已经置位的手机内存可用时;                                                                                                                                                                                                           C、手机发起呼叫时;                                                                                                                                                                                                                                            D、如果目的手机在HLR中已经置位,下发高优先级消息给该手机成功后                                                                                                                                                                                                 正确答案:ABD

T30X0014 我司短消息中心向移动公司短消息监控中心提供的短消息记录文件的必须提供的内容有: (    )                                                                                                                                                                        A、主叫号码                                                                                                                                                                                                                                                   B、被叫号码                                                                                                                                                                                                                                                    C、短消息中心号码                                                                                                                                                                                                                                             D、接收与发送的时间                                                                                                                                                                                                                                            正确答案:ABCD
T30X0015 目前在短消息中心维测服务器上可以维护的功能模块有:(  )                                                                                                                                                                                                         A、MTI SERVER                                                                                                                                                                                                                                                  B、MAP SERVER                                                                                                                                                                                                                                                  C、SMC                                                                                                                                                                                                                                                         D、CTI SERVER                                                                                                                                                                                                                                                  正确答案:ABC

三、简答题
1、请说明MNRF和MCEF标记的英文全称和含义。
答案:
MNRF:Mobile Not Reachable Flag,移动台不可及标记,指基站无法寻呼到移动台,该移动台可能已关机或已离开服务区。
MCEF:Memory Capacity Exceeded Flag,存储能力溢出标记,指移动台的短消息可用内存已被占满,无法接收新的短消息。

2、日常维护中需要检查的系统负荷有。
答案: 网关CPU占用率;
短消息调度中心程序的暂缓实体数、短消息数;
短消息中心服务器CPU、MEM占用率;
数据库服务器CPU、MEM占用率。

3、怎样得到短消息中心向各个接口发送的数据?
打开跟踪窗口,填写所需跟踪的接口号,启动跟踪。

4、短消息中心三个基本维护工具及维护功能。
答案:
1) 排队维护管理台WS
维护排队机正常工作;
监视排队机运行负荷(CPU、链路负荷);
跟踪信令。
2)短消息维测台
查询短消息状态;
维护短消息。
3)DEMO工具
模拟业务程序或手机提交接受短消息 。

5、短消息中心有哪几中重发机制?
答案:
短消息中心系统提供了三种重复转发尝试机制:
(1)Alert_SC 触发短消息:发送短消息时,若HLR检测到用户关机、存储区满等暂不可接受短消息状态时,则此条短消息发送不成功,且HLR登记原因,当HLR重新检测到不可接受短消息的原因解除时(该用户开机、存储区不满等),会主动向短消息中心发Alert_SC命令,短消息中心收到后,进行带MMS标志(如果短消息中心存有此MS的多条短消息)的重复转发;
(2)周期性重发短消息:对于暂时不能发送的SM,短消息中心将设置一个重发尝试的定时值,提供自动重复转发功能。
(3)定时触发短消息:对有定时要求的短消息进行定时触发。

6、描述短消息路由表的概念及配置。
答案:
由短消息中的主叫地址、被叫地址、短消息类型决定一条短消息路由;
通过短消息中心维测台配置路由,添加短消息路由表(输入目的地址和消息类型);添加路由表子项(输入源叫地址和帐号)。

四、论述题
1、单描述短消息调度中心缺省有效期、最大有效期、主叫有效期的含义及相互关系。(4分)
答案:缺省有效期:通过维测态可以在线修改的参数,短消息实体提交的消息中没有设置有效期,那么短消息中心将该消息的有效期设置缺省有效期,一般设置为1到2天;
最大有效期:配置文件中smscconfig.ini中字段MaxExpireTimeDay设置的值,一般设置为30天。短消息实体提交的消息中设置了有效期,如果消息中提供的有效期大于最大有效期,那么系统强行将该消息的有效期修改为最大有效期;如果消息中西提供的有效期小于最大有效期,那么系统不做处理,该消息的有效期为消息自带的有效期。
主叫有效期:为了减少积压消息对系统的影响,短消息系统提供安主叫号码设置有效期的功能,在配置文件中smcsourcetimeout.ini中可以设置主叫号码,比如168,那么对于主叫号码为168的消息的有效期都设置为5分钟。可以设置多个主叫号码,目前主叫有效期只能设置为5分种。
2、以下是移动梦网业务中全球通手机给外省ICP提交MO的正常消息流程,请在图示中箭头处标示各出消息的名称。
答案:

3、在短消息系统中,为什么一定要使用LAP板而不使用NO7板?
答案:
在短消息网关中,对七号信令的处理采用LPN7板,而不是采用NO.7板。这是因为短消息一条信令原码平均为200个字节,LPN7板能处理200字节以上的信令数据,而NO.7板最多只能处理140字节左右的数据,满足不了短消息对信令处理的实际需要,所以短消息必须使用LPN7板来处理信令。

4、试述在M900/M1800 INtess-SMAXII短消息中心中,短消息调度中心(SMSC)和SMS G/IW MSC网关主要的功能是什么。(10分)
答案: 短消息调度中心实现:短消息提交存储,短消息转发,短消息调度重发,用户业务核查,优先级处理,短消息信息编解码等基本功能。
短消息网关即SMS G/IW MSC,在系统中作为交换接入设备和MAP信令处理设备,完成PLMN网的信令接入与处理。

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