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1、- 1 -交换部分考题第一部分：客观题1、 自动 DUMP 备份到_AA、 RELFSW0B、 RELFSW1C、 RELFSW2D、 RELFSW32、 关于系统再启动下面说法不正确的是：BA、 系统小启动对已经在通话的用户没有影响B、 系统大启动清除所有的呼叫，包括半永久性连接C、 再启动+大启动清除所有的呼叫，包括半永久性连接，并重装系统软件D、 系统再启动可由硬件故障、软件故障或人机命令引起3、 备份文件 RELFSWn 由子文件构成，其中用于存储 PS 和 RS 的内容的是：DA、 R0B、 R1 和 R2C、 R3 和 R4D、 R54、 RE 功能块是：AA、 只有中央软件的功能
2、块B、 既有硬件也有软件的功能块C、 是 TCS 中用于呼叫监视和协调的功能块5、 电缆信息在什么文件中可找到：DA、B-MODULEB、E-MODULEC、H-MODULED、C-MODULE6、 主 CLM 的标准控制值是多少？BA、 4096B、 2048C、 512D、 10247、 Which of the ISUP messages acknowledges the reception of all addressin information,required for routing a call?BA、 IAMB、 ACMC、 ANM8、 Which of the followi
3、ng is never a part of the SCCP address?CA、 GLOBAL TITLEB、 DESTINATION POINT CODEC、 ORIGINATING TRANSACTON IDENTIFIER9、 What is the name of a functional entity that contains the CAMELservice logic to implement the operator specific services?AA、 gsmSCFB、 gsmSRFC、 gsmSSF10、 What is used to inform the g
4、smSCF about the service logic it should apply for a call?CA、 MSISDNB、 IMSI C、 SERVICE KEY- 2 -11、 What is the name of the operation ,generated by gsmSSF when a trigger is detected in the Basic Call State Model ,to request instructions from the gsmSCF？AA、 INITIAL DPB、 CONNECTC、 SEND CHARGING INFORMAT
5、ION12、 During location updating of a new subscriber in the MSC/VLR,which information is not sent from the HLR? cA、 the HLR addressB、 the MSISDNC、 the AUC address13、 What is the maximum number of signalling links that can be simultaneously handled by one Ericsson SIGNALING TERMINAL(ST-7) in RPG? CA、
6、1B、 2C、 414、 In which part of the signal unit are ISUP messages sent? AA、 MSUB、 LSSUC、 FISU15、 Which layer in the OSI reference model is responsible for error-free point-to point communication?bA、 physical layerB、 data link layerC、 transport layer16、 What is the name of the common part of signalling
7、 System No.7 used by all User Parts?aA、 Message Transfer PartB、 Mobile Application PartC、 Common Channel Signalling Subsystem17、 Which of the following provide routing functions for incoming calls to a GSM network?ca) EIRb) AUCc) GMSC18、 The _ temporarily stores information about the MS currently vi
8、siting its Service Area.aa) VLRb) HLRc) EIR19、 What is the interface between the MSC and BSC known as?aa) A-interfaceb) Abis-interfacec) B-interface20、 Which of this information is included in Bearer Capabilities (BC)?ca) Information on the type of service, such as speech or data transmission, requi
9、red by a user.b) Authentication Parameters, including IMSI numberc) Ciphering codes- 3 -21、 How many basic service groups are there in GSM?aa) 6b) 12c) 922、 In which network element is the IMSI Detach and IMSI Attach information stored?ca) BSCb) HLRc) MSC/VLR23、 The Mobile Global Title (MGT) is devi
10、rated from _?ba) MSRNb) IMSIc) Destination Point Code (DPC)24、 Which of the following contains a Type Approval Code (TAC)?ca) TMSIb) IMSIc) IMEI25、 Which three security functions are initiated during call set-up? aa) Authentication, IMEI Check Functions and Cipher-mode Set-upb) Authentication, IMSI
11、Check and Subscription Checkc) Cipher-mode Set-up, IMEI Check Functions and Subscription Check26、 What is checked during the Authentication process?aa) SIMb) IMEIc) MSISDN27、 Why is TMSI used?ba) As a temporary personal code to activate the MSb) For security reasonsc) For use with a rented mobile te
12、lephone28、 Timers are used for Periodic Location Updating. Where are these timers located?aa) In the MS and MSCb) In the MS and BSCc) In the BSC and MSC29、 When a mobile subscriber wants to change a supplementary service, for example, call forwarding unconditional, the MS has to signal to the_.ba) M
13、SC/VLRb) HLRc) BSC- 4 -30、 In line with your knowledge, what are two main functional levels named under AXE platform?ca) ANZ&ANTb) AXD&ANXc) APZ&APT31、 What is the highest user rate supported by combining 14.4kbps Data Channel Coding with HSCSD in ERICSSON Exchange?ba) 38.4kbit/sb) 57.6kbit/sc) 64kb
14、it/s32、 OSS is the Ericsson product for the centralized control of the GSM Network. OSS is based on the Ericsson family of management products:_ba) SMASb) TMOSc) GAS33、 What is the interface between the MSC/VLR and SGSN?aa) Gsb) Gnc) Gp34、 Which of the following is not part of the Switching System?b
15、a) EIRb) BSCc) HLR35、 What information is checked by the EIR?ba) The subscriptionb) The telephonec) The subscriber category36、 Which of the following statements is true?aa) One LA can belong to several BSCsb) One LA can belong to several MSC/VLRsc) One LA is always handled by only one BSC37、 What is
16、 the name of the node calculating the encryption parameters?ba) Encryption Centerb) Authentication centerc) Ciphering Center38、 Which of the following is performed in the MSC/VLR?a- 5 -a) Number analysisb) Locating and handoverc) Ciphering39、 Which of the following identity numbers is dialed when making a call to an MS?aa) MSISDNb) IMEIc) IMSI40、 When is IMEI used?ba) When the subscription belongs to a rental phoneb) When it is necessary to identif
