中兴通用认证模拟试题

1、单选：通信机房承重应不小于（A）： 450600kg/m2 400550kg/m2 550600kg/m2 450650kg/m2 空调室外机必须安装在高于地面 以上的铁架上，机壳宜采用 平方毫米以上的接地线就近与地网作可靠连接 （C）： 200mm，14 250mm，15 300mm，16 350mm，17 B328最大支持（B）个载扇 71 72 73 74 天线避雷针已安装到位且，能满足天线在避雷针保护范围之内，保护角：平原地区（B） 30 45 60 65 在收到UE的Up消息后,NodeB在哪个信道发送确定发射功率更新和定时调整的指令?(C) FACH RACH FPACH PCCP

2、CH 安装GPS要满足净空(A) 120 45 60 90 关于CLKG板下列描述正确的是：（ A ） CLKG板为主备配置，固定配置在1号机柜控制框的13、14两个槽位，其他机柜不配； CLKG板为主备配置，固定配置在1号机柜控制框的9、10两个槽位，其他机柜不配； CLKG板为主备配置，可配置在任何机柜，但固定配置在9、10两个槽位； CLKG板为主备配置，可配置在任何机柜，但固定配置在13、14两个槽位； RNC与MGW/MSCS之间的接口是： （ A ）. IuCS接口；IuCS interface IuPS接口；IuPS interface IuPS和IuPS接口；IuPS and

3、IuPS interfaces Iub接口；Iub interface 下列那些线缆不需要通过LPM室内防雷盒：（D ） Which cable should not go through the LPM indoor lightning protection box? ( ) 天线馈线；Antenna feeder GPS馈线；GPS feeder TMB控制线；TMB control line 主机柜供电电源线；Power supply cable of the main cabinet 电源线标签分别贴在各线缆的两端，粘贴位置距离线鼻（ B）处： Labels of power cabl

4、es should be stuck to two ends of each cable. The label is ( ) apart from the lug. 1cm 2cm 4cm 紧贴，不要距离；Very close. There is no distance 控制框的背板是 （ B ） The backplane of the control shelf is ( ) BPSN BCTC BUSN 下列哪种单板可以装配在控制框 （ A ） Which of the following boards can be assembled in the control shelf? ( )

5、 通用控制接口板UIMC；Universal control interface board UIMC 通用媒体接口板UIMU；Universal media interface board UIMU ATM处理板APBE；ATM processing board APBE RNC用户面处理板RUB；RNC user plane processing board RUB 下列选择中,那一项的列表不属于RNC (C ) RGUB,UIMU,RMPB OMP , VTCD,RGIM BII ,TBPA,TCCB APBE,CLK,BUSN 以下对TMB目前的安装方式描述正确的是 （ A ） Whi

6、ch statement about the TMB installation is correct ( ) 抱杆安装和靠墙安装；Installation on a pole or mounted against a wall 抱杆安装和水平安装；Installation on a pole or horizontal installation 铁塔安装或水平安装；Installation on a tower or horizontal installation 可以任意安装在安全牢固的位置，并注意防水处理；It can be installed in any safe position.

7、The waterproof should be processed. OMCR网管与RNC连接网线接入那块后插板 ( C ) RMINC RGIM RMPB RUIM 资源框的背板是 （ C ） The backplane of the resource shelf is ( ) BPSN BCTC BUSN 交换框的背板是 （ A ） The backplane of the switching shelf is ( ). BPSN BCTC BUSN 在TD系统中，GPS的作用是（ D ） In the TD-SCDMA system, the function of the GPS i

8、s ( ) 提供NODEB时钟基准；Provide the NodeB clock reference 提供NODEB频率基准；Provide the NodeB frequency reference 提供NODEB地理位置信息、时钟基准、频率基准；Provide NodeB geographic position information, clock reference, frequency reference 提供NODEB时钟基准、频率基准；Provide NodeB clock reference and frequency reference 塔顶跳线的默认配置长度为 （ D） T

9、he default length of the tower jumper is ( ) 1m 2m 3m 5m 一个DTB单板 ，最大可以提供（ C ）路E1接入和ATM终结功能。( ) One DTB board can provide at most ( )-channel E1 access and ATM termination functions. 8 16 32 64 一个O3站需要几个TMB （ B ） How many TMBs is needed in one O3 site? （ ） 1 2 3 4 NODE B机柜顶部2M传输电路输入的接头类型是：( D ) The c

10、onnector type of 2M transmission circuit input on the top of the cabinet in the NodeB is ( ) BNC L9 CC4Y SC 有关AAL2和AAL5的说法不正确的是（C） 在Iur接口中，控制面的AAL类型是AAL5，用户面为AAL类型是AAL2；在Iu_PS接口中，控制面的AAL类型是AAL5，用户面为AAL类型是AAL5；在Iu_CS接口中，控制面的AAL类型是AAL5，用户面为AAL类型是AAL2；在Iub接口中，控制面的AAL类型是AAL5，用户面为AAL类型是AAL2。In the Iur in

11、terface, the AAL type of the control plane is AAL5 and the AAL type of the user plane is AAL2. In the Iu_PS interface, the AAL types of the control plane and user plane are both AAL5; In the Iu_CS interface, the AAL type of the control plane is AAL5 and the AAL type of the user plane is AAL2. In the

12、 Iub interface, the AAL type of the control plane is AAL5 and the AAL type of the user plane is AAL2. AAL2常见业务是面向连接的压缩的分组语音通讯和压缩的视频传输。AAL5常见业务是面向非连接和面向连接的数据业务。The common services of AAL2 are connection-oriented compressed packet voice communication and compressed video transmission. The common servi

13、ces of AAL5 are the connectionless-oriented and connection-oriented data services. AAL2的服务质量是QoS4，AAL5的服务质量是QoS2。The QoS of AAL2 is QoS4 and the QoS of AAL5 is QoS2 AAL2的定时原理是：AAL2信元能够定期地向远方对等的AAL2会聚子层发送源时钟频率和网络参照时钟之间的差别指示，这样接收方就能在很精确的范围内保持输出时钟同步，保证了语音这样的实时数据流的传送。The timing mechanism of AAL2 is: The

14、 AAL cell can periodically transmit the difference indication between the source clock frequency and network reference clock to the peer AAL2 convergence sublayer in the remote, so the receiver can maintain the synchronization of outputted clock within an exact range and ensure the transmission of r

15、eal-time data flow (such as the voice) TBPA单板满负荷处理能力为8天线（ D ）载波数据。（ ） The TBPA processing capability in the case of the full load is eight-antenna _ carrier data（ ） 1 2 6 3 在TD系统中，按照工程规范，下面（ D ）说法是正确的。 In the TD-SCDMA system, which statement about the engineering specification is correct? ( ) 如果基站设备

16、安装在机房内，在馈线进入机房时，没必要安装馈线窗。If the BTS device is installed in the equipment room, the feeder window is not required for the feeder cable entering the equipment room. 通常将GPS天线没有必要安装在铁塔45避雷区域内。Generally, it is not necessary to install the GPS antenna in the 45 lightning arrester area of the iron tower. 室

17、内接地和室外接地，可接在一起。The indoor and outdoor ground cables can be connected together 以上都不对。All of the above 用于信道估计的码是（ D ） The code that is used in channel estimation is ( ) 同步码SYNC_DL；Synchronization code SYNC_DL 同步码SYNC_UL；Synchronization code SYNC_UL scrambling码；scrambling code midamble训练序列码；midamble tr

18、aining sequence code TMB 采用的供电方式为（ A ） The power supply mode of the TMB is _ ? （ ） -48V直流；-48V DC 220V交流；220V AC 110V交流；110V AC 24V交流；-24V AC 一个IMAB单板和两个DTB单板组成一组，最大可以提供（ C ）路E1接入和ATM终结功能。( ) One IMAB board and two DTB boards form a group and can provide at most ( )-channel E1 access and ATM termina

19、tion functions. 16 32 64 128 TD-SCDMA系统中7个常规时隙固定用于上行的时隙是（B） In the TD-SCDMA system, which of the seven normal timeslots is fixedly used in the uplink? （） TS0 TS1 TS2 TS3 （ D ）单板是控制框的信令交换中心，用以完成各模块间的信息交换，并提供对外连接资源框的控制以太网通道； （） Which of the following board is the signaling exchanging center of the con

20、trol shelf and implements the information exchanging between each module and provides the control Ethernet channel connecting resource shelves externally? ( ) ROMB RCB CHUB UIMC TD-SCDMA的单载波带宽和码片速率是多少：（ B ） The bandwidth and chip rate of the single carrier of TD-SCDMA are ( ) 5M*2 ，3.84Mc/S 1.6M ， 1

21、.28Mc/s 1.25*2 ， 1.2288Mc/S 1.6M*2 ， 1.28Mc/S 2002年10月23日，中国信息产业部为我国划分的无线频率带宽为（B） The radio frequency bandwidth allocated for TD-SCDMA by the Ministry of Information Industry in October 23, 2002 is ( ) 40M 155M 55M 200M 在RNC安装工程中,下列哪种安装不正确 ( C ) Which statement about the RNC installation is incorrec

22、t?（） 走线架平直，无明显扭曲和歪斜；The cabling rack should well placed. 各种标志正确、清晰、齐全；Labels are correct, clear, and complete. 接地母线固定在走线架上，存在在空中飞线；The grounding bus is fixed on the cabling rack. There is a jumper. 布放槽道电缆时电缆不溢出槽道；The cable should not be overflowed in the case of cable distribution in the trough TD-S

23、CDMA系统中共有多少个长度为144码片的基本midamble码。（ B ） How many basic midamble codes with the length of 144 chips are there in the TD-SCDMA system in total? ( ) 64 128 256 160 在制作馈线接头时，要始终把至少（ C ）的馈线拉直 When you are making the feeder connector, at least ( ) feeder should be 100mm 50mm 150mm 200mm 理论上，TD-SCDMA覆盖半径主要取

24、决于：（C） Theoretically, the coverage radius of TD-SCDMA mainly depends on ( ) UpPTS（UL）时隙的大小；The UpPTS (UL) timeslot DwPTS（DL）时隙的大小；The DwPTS (DL) timeslot UpPTS（UL）和DwPTS（DL）间干扰的Gp保护时隙的大小；The UpPTS (UL)-DwPTS (DL) interference Gp protection timeslot TS0时隙的大小；The size of the TS0 timeslot RNC室内联合接地电阻 (

25、 A ) 小于1 欧 小于2欧 小于3 欧 小于4欧 在TD系统中，目前中兴公司使用的天线的频段是（B） In the TD-SCDMA system, the antenna band used by the ZTE is ( ) 18801920MHz； 20102025MHz； 23002400MHz； 以上都可；All of the above （ C ） 作为控制流汇接中心，实现交换框、资源框和控制框的控制流汇接； （） Which of the following boards is the tandem center of the control flow and impleme

26、nts the control flow tandem of the switching shelf, resource shelf and control shelf? ( ) ROMB RCB CHUB UIMC 一个S333站需要配置几个TMB （C） How many TMBs are configured in one S333 site? （） 2 4 6 8 多选： 下列关于TDD技术的描述正确的是:（ABCD）Which of the following statements about the TDD technology are correct? ( ) 易于使用非对称频段

27、, 无需具有特定双工间隔的成对频段；The asymmetrical frequency bands are very easy to be used in the TDD technology and the paired frequency band with specified duplex interval is not necessary 适应用户业务需求，灵活配置时隙，优化频谱效率；The TDD technology adapts to the requirements of user services and can flexibly configure the timeslo

28、t and optimize the spectral efficiency 上行和下行使用同个载频，故无线传播是对称的，有利于智能天线技术的实现 ；The uplink and downlink use the same carrier frequency, so the radio transmission is symmetrical, which is beneficial for the realization of the smart antenna technology 需笨重的射频双工器，小巧的基站，降低成本；The Node B is small and heavy radi

29、o frequency duplexer is not necessary, so the cost is reduced ZXTR B30机柜机頂电源盒的主要功能是（ ABC ）。 The main function of the power box on the top of the ZXTR B30 cabinet is （ ） 用于-48V电源的输入；Input of -48V power 对输入的电源进行滤波处理；Filtering processing for the input power 避雷器提供电源雷击保护；Arrester provides lightning prote

30、ction of the power 提供-48V到220V的转换；Providing the conversion from -48V to 220V 接力切换的优点有：（ ABCD ） The advantages of baton handover include ( ). 高成功率；High success ratio 低掉话率；Low call-drop ratio 高资源利用率；High resource utilization ratio 简单的切换算法；Simple handover algorithm 下列技术属于TD-SCDMA关键技术的是：（ ABC ） Which of

31、 the following technologies belong to the key technologies of TD-SCDMA? ( ) 智能天线；Smart antenna 联合检测；Joint detection TDD技术；TDD technology 软切换技术；Soft handover technology 下列码长固定的码是（ BCD ）。 Which of the following codes have fixed code length? ( ) OVSF码；OVSF code scrambling码；scrambling code midamble训练序列码

32、；midamble training sequence code 同步码SYNC_DL；Synchronization code SYNC_DL 下列属于无线层机框的单板和模块有： （ACD） Boards and modules that are installed in the wireless layer shelf include （ ） TTRX模块；TTRX Module BCCS板；BCCS Board TBPA板；TBPA Board TFR背板；TFR Backplane 下列说法属于联合检测作用的是：（ABCD ） Which of the followings belon

33、g to the joint detection effect? ( ) 降低干扰；Reduce interferences 提高系统容量；Improve the system capacity 降低功控要求；Reduce the power control requirements 削弱远近效应；Weaken the near-far effect 控制框的功能是（AB） The functions of the control shelf include ( ). ZXTR RNC的控制核心，完成对整个系统的管理和控制It is the control core of ZXTR RNC a

34、nd it manages and controls the whole system 完成控制面信令和无线协议处理It processes the control plane signaling and radio protocol 完成控制面信令和用户面信令处理It processes the control plane signaling and user plane signaling 完成各种方式的接入处理It processes the accesses of various modes 下列描述的属于第三代移动通信系统标准的有:（ ）。 Which of the followin

35、g standards belong to the third generation mobile communication system? ( ABC ) CDMA2000 UMTS WCDMA TD-SCDMA CDMA IS95 对于物理层信令，下列描述正确的是（ AD ） Which of the following statements about the physical layer signaling are correct? ( ) 在TD-SCDMA系统中，存在着3种类型的物理层信令：TFCI、TPC和SS ；In the TD-SCDMA system, there ar

36、e three kinds of physical layer signaling: TFCI, TPC and SS 所有的物理信道中都包含3种类型的物理层信令；All physical channels include three kinds of physical layer signaling 所有的物理信道中至少包含包含3种类型的物理层信令中的1个；All physical channels include at least one of the three kinds of physical layer signaling 有的物理信道可以不包含物理层信令；All physical

37、 channels may not include the physical layer signaling 填空：RGUB单板对应的后插板为 。 RMNICTD-SCDMA系统中共有 个长度为 码片的基本midamble码。128 144单个TMB最大功耗 W，平均功耗 W左右。 150 100TD-SCDMA突发的数据部分由信道码和_ 共同扩频。信道码是一个 码，扩频因子可以取 。 扰码 OVSF 1、2、4、8或16在TD-SCMDA的帧结构中，固定地用作来发送系统广播信息时隙是 ，为避免UpPTS和DwPTS间干扰而设置的时隙是 ，训练序列码位于 TS0 保护时隙（GP） 数据域的中间

38、位置按阵元排列方式分，智能天线可分为 和 。 圆阵 线阵专用传输信道DCH映射到 ，广播信道BCH映射到 ，寻呼信道PCH和前向接入信道FACH映射到 专用物理信道 (DPCH) 主公共控制物理信道 (P-CCPCH) 辅助公共控制物理信道 (S-CCPCH)TBPA单板有 片DSP； 12智能天线可以解决或大大改善 、 。 多址干扰 呼吸效应单选：关于ROMB板下列描述正确的是：（B） Which of the following statements about the ROMB board is correct? () ROMB板为主备配置，固定配置在1号机柜控制框的9、10两个槽位，其

39、他机柜不配The active/standby ROMB boards are fixedly configured in slot 9 and slot 10 of the control shelf of the No. 1 cabinet and are not configured in other cabinets ROMB板为主备配置，固定配置在1号机柜控制框的11、12两个槽位，其他机柜不配The active/standby ROMB boards are fixedly configured in slot 11 and slot 12 of the control shel

40、f of the No. 1 cabinet and are not configured in other cabinets ROMB板为主备配置，可配置在任何机柜，但固定配置在9、10两个槽位The active/standby ROMB boards can be configured in any cabinets but are fixedly configured in slot 9 and slot 10 ROMB板为主备配置，可配置在任何机柜，但固定配置在11、12两个槽位The active/standby CLKG boards can be configured in a

41、ny cabinets but are fixedly configured in slot 11 and slot 12 用于随机接入过程的码是（ B ） The code that is used in the random access process is ( ) 同步码SYNC_DL；Synchronization code SYNC_DL 同步码SYNC_UL；Synchronization code SYNC_UL scrambling码；scrambling code midamble训练序列码；midamble training sequence code 资源框的功能，下列

42、描述错误的是（D ） Which of the following statements about the resource shelf is incorrect? ( ) 提供ZXTR RNC的对外接口，完成各种方式的接入处理It provides the external interface of ZXTR RNC and processes accesses of various modes 完成各相关底层协议的处理It processes each related lower layer protocol 提供各种资源处理模块，完成用户面协议处理It provides various

43、 resource processing module and processes the user plane protocol 完成控制面信令和无线协议处理It processes the control plane signaling and radio protocol 有关ATM技术特点的说明，正确的是（ D ） Which of the following statements about the ATM technology features is correct? ( ) ATM使用可变信元长度的分组交换。ATM adopts the packet switching of v

44、ariable cell length ATM采用同步传输方式。ATM adopts the synchronous transfer mode ATM不兼容技术。ATM is incompatible with the IP technology ATM采用异步传输方式。ATM adopts the asynchronous transfer mode 用于信道估计的码是（ D ） The code that is used in channel estimation is ( ) 同步码SYNC_DL；Synchronization code SYNC_DL 同步码SYNC_UL；Sync

45、hronization code SYNC_UL scrambling码；scrambling code midamble训练序列码；midamble training sequence code 提供E1接口的单板是（ D ） Which of the following boards provides the E1 interface? ( ) IMAB DTB APBE IMAB + DTB 单框配置UIMU单板插槽位置 ( A ) 9槽(或10槽) 7槽(或8槽) 11槽(或12槽) 15槽(或16槽) 在TD系统中，在铁塔平台上安装抱杆时，抱杆与铁塔平台的最小距离是（ B ）。 In

46、 the TD-SCDMA system, the minimum distance between the pole and tower platform is ( ) when a pole is installed on the tower platform 1 m 1.5 m 2 m 0.5 m 多选： 下列关于TDD技术的描述正确的是:（ABCD）。 Which of the following statements about the TDD technology are correct? ( ) 易于使用非对称频段, 无需具有特定双工间隔的成对频段；The asymmetrica

47、l frequency bands are very easy to be used in the TDD technology and the paired frequency band with specified duplex interval is not necessary 适应用户业务需求，灵活配置时隙，优化频谱效率；The TDD technology adapts to the requirements of user services and can flexibly configure the timeslot and optimize the spectral effic

48、iency 上行和下行使用同个载频，故无线传播是对称的，有利于智能天线技术的实现 ；The uplink and downlink use the same carrier frequency, so the radio transmission is symmetrical, which is beneficial for the realization of the smart antenna technology 需笨重的射频双工器，小巧的基站，降低成本；The Node B is small and heavy radio frequency duplexer is not neces

49、sary, so the cost is reduced 三代无线通信系统的无线接口从协议结构上可以划分为（ABC ）三层 According to the protocol structure, the radio interface of the third generation mobile communication system can be divided into three layers, they are ( ) 物理层；Physical layer 数据链路层；Data link layer 网络层；Network layer 媒体层；Media layer 下列叙述中正确

50、的是（ BC ） Which of the following statements are correct? ( ) 在TD-SCDMA系统中每20MS为一个无线帧；In the TD-SCDMA system, every 20ms forms a radio frame 在TD-SCDMA系统中每10MS为一个无线帧；In the TD-SCDMA system, every 10ms forms a radio frame 每个无线帧可以分成2个子帧；Each radio frame is divided into 2 subframes 每个无线帧可以分成4个子帧；Each radi

51、o frame is divided into 4 subframes 下列码长固定的码是（ BCD ）。 Which of the following codes have fixed code length? ( ) OVSF码；OVSF code scrambling码；scrambling code midamble训练序列码；midamble training sequence code 同步码SYNC_DL；Synchronization code SYNC_DL 对于物理层信令，下列描述正确的是（AD ） Which of the following statements abo

52、ut the physical layer signaling are correct? ( ) 在TD-SCDMA系统中，存在着3种类型的物理层信令：TFCI、TPC和SS ；In the TD-SCDMA system, there are three kinds of physical layer signaling: TFCI, TPC and SS 所有的物理信道中都包含3种类型的物理层信令；All physical channels include three kinds of physical layer signaling 所有的物理信道中至少包含包含3种类型的物理层信令中的1

53、个；All physical channels include at least one of the three kinds of physical layer signaling 有的物理信道可以不包含物理层信令；All physical channels may not include the physical layer signaling 下列说法属于联合检测作用的是：( ABCD ） Which of the followings belong to the joint detection effect? ( ) 降低干扰；Reduce interferences 提高系统容量；I

54、mprove the system capacity 降低功控要求；Reduce the power control requirements 削弱远近效应；Weaken the near-far effect 填空： 板，完成无线参数的配置、控制，基带IQ数据的接收和传送，上下行信号的中频接收发送、上下变频，射频系统告警状态的管理等功能； 无线接口板（TWIM） IMSI由 、 、 组成。 移动国家号码（MCC） 移动网号（MNC） 移动用户识别号码（MSIN） 在TD-SCDMA系统中，存在的3种类型的物理层信令是 、 和 。 TFCI TPC SSATM用户网络接口的ATM信元的信头包括 。 VPI、 VCI 、PTI、CLP单选：下列那些线缆不需要通过LPM室内防雷盒：（ D ） Which cable should not go through the LPM indoor lightning protection box? ( ) 天线馈线；Antenna feeder GPS馈线；GPS feeder TMB控制线；TMB cont