[多选题]SGSN对接BSC只接收流控消息，而不发送响应可能原因是（）。 When the SGSN interconnects with the SBC, if it only receives flow control messages but does not send any response, what are the possible causes: ( ).
A.2G用户板没配置负荷分担 The 2G user board have no load sharing configuration.
B.本端地址错误 The local address is wrong.
C.远端地址错误 The remote address is wrong.
D.静态NSVC模式 The static NSVC mode is set.
E.
F.1234
G.123
H.静态

[单选题]SGSN与CG对接采用单地址对接起始端口号（）。 When the SGSN uses a single address to interconnect with the CG, the starting port number is ( ).
A.15001
B.25001
C.35001
D.45001

[多选题]SGSN与RNC对接时，需要协商的参数包括（）。 When SGSN interconnects with RNC, the following parameters need to be negotiated: ( ).
A.RNC ID
B.LAI
C.RAI
D. CELL ID

[判断题]在SGSN上配置动态NSVC的时候，有几个BSC就需要配置几个本端节点就够了。 When you configure the dynamic NSVC on the SGSN, the amount of existing BSCs should be equal to the amount of local nodes.
A.正确
B.错误

[判断题]下行流控在UE侧做控制节点，上行流控在基站PDCP terminal控制节点
A.正确
B.错误

[多选题]当SGSN开启POOL功能时，需要下面哪些配置RNC和SGSN保持一致？ When SGSN adopts the POOL function, which configuration is consistent between SGSN and RNC?
A.GTP地址 GTP ip address
B.NRI
C.路由区信息 route area information.
D.NRI长度 NRI length.

[多选题]当SGSN割接DT业务时，下面说法正确的是（）。 When SGSN cutover the DT service, which statement is correct?
A.过滤无流量的DT话单，或者过滤所有话单，否则DT产生的巨量话单会占用很多CG磁盘空间。 Need to filter the DT CDR without traffic or filter all CDRs, otherwise huge amount of CDRs generated for DT will occupy the disk space.
B.RNC和GGSN Gn接口之间媒体面要互通，承载网要保证路由双向可达。 Need to make sure the media plane interconnection between RNC and GGSN is OK and the route of bear network should be available in both side.
C.SGSN和xGW GGSN开通DT，在开启APN扩展情况下需要配置ADD DT IP，将xGW GGSN所有SLB和GTP地址配置上。 When the SGSN and xGW GGSN use the DT function ,and the APN extension is also used, [ADD DT IP] should be configured and all the SLB and GTP IP address of xGW GGSN should be configured.
D.SGSN和RNC的媒体面路由要打通，确保媒体流能经过SGSN。 The route of media plane should be through between SGSN and RNC, and make sure the media stream can go through the SGSN.

[单选题]当SGSN开启POOL功能时，下面哪些配置RNC和SGSN不能一致？ When the POOL function is enabled on the SGSN, the following configuration cannot be consistent between the RNC and the SGSN: ( ).
A.GTP地址 GTP IP address
B.NRI
C.路由区信息 route area information
D.NRI长度 NRI length

[多选题]uMAC SGSN采用多框级联时，需要级联的单板包括（）。 When uMAC SGSN adopts multi-shelf cascading, the following boards need to be cascaded: ( ).
A.UIPB
B.UOMP
C.UBSW
D.UFSW

[判断题]V4 SGSN双框级联时，需要在数据配置中配置主交换框。 When the SGSN adopts dual-shelf cascading, we need to configure the main switch shelf in SGSN data configuration.
A.正确
B.错误

[判断题]uMAC SGSN中，开启POOL功能时，必须申请新的License。 When the POOL function is enabled on the uMAC SGSN, we must apply for a new license.
A.正确
B.错误

[判断题]uMAC SGSN中，开启DT功能时，必须申请新的License。 When the DT function is enabled on the uMAC SGSN, we must apply for a new license.
A.正确
B.错误

[单选题]uMAC SGSN开启哪项功能时，不需要申请新的License？ When the ( ) function is enabled on the uMAC SGSN, we do not need to apply for a new license.
A.DT
B.UBAS
C.POOL
D.MOCN

[单选题]在SGSN上面配置APN的时候，指向的GGSN地址是（）。 When we configure APN data on the SGSN, we should direct to the following GGSN address: ( ).
A.GGSN的GTPU地址 GTPU address of GGSN
B.GGSN GN接口地址 Gn-interface address of GGSN
C.GGSN的GSU GTPC地址 GSU GTPC address of GGSN
D.GGSN的SLB虚地址 SLB virtual address of GGSN

[单选题]MS什么状态，SGSN上下文没有有效的MS位置或路由信息？ When the MS is in ( ) state, there's no valid MS location or routing information in the SGSN context?
A.PMM-DETACHED
B.PMM-IDLE
C.PMM-CONNECTED
D.以上都不是 None of the above

[单选题]uMAC SGSN采用独立交换时，UBSW在ECMM上的类型必须配置为（）。 When independent switching is used on the uMAC SGSN, the board type of UBSW must be configured as ( ) on the ECMM.
A.OMM
B.OMP
C.Independent_board
D.PP