[单选题]xGW GGSN扩容GSU单板时，需要申请的资源不包括（）。 During GSU expansion on the xGW GGSN, we do not need to apply for the following resource: ( ).
A.GTP-C/U IP address
B.CG-agent IP address
C.IP Pool
D.SLB IP address

[单选题]xGW GGSN扩容GSU时，应该把新增GSU放在（）槽位。 During GSU expansion on the xGW GGSN, we should place the new GSU in slot ( ).
A.14-15
B.16-19
C.6-13
D.0-3

[多选题]xGW GGSN扩容GSU单板时，可能需要哪些节点配合修改数据？ While expanding the GSU board on the xGW GGSN, we probably need to modify data on the following nodes: ( ).
A.CG server
B.SGSN
C.Gi firewall
D.HLR

[多选题]xGW GGSN扩容GSU单板时，需要申请的资源包括（）。 While expanding the GSU board on the xGW GGSN, we need to apply for the following resources: ( ).
A.GTP-C/U地址 GTP-C/U address
B.CG-agent地址 CG-agent address
C.IP 地址池 IP pool
D.SLB地址 SLB address

[多选题]xGW GGSN扩容GSU单板时，需要做改动的是（）。 While expanding the GSU board on the xGW GGSN, we need to modify the following configurations: ( ).
A.GSU group 配置 GSU group configuration
B.Diameter链路配置 Diameter link configuration
C.IP 地址池配置 IP pool configuration
D.Loopback接口地址配置 Loopback interface address configuration

[单选题]xGW GGSN扩容GSU时，必须首先进行的步骤是（）。 During GSU expansion on the xGW GGSN, we need to perform the following step first: ( ).
A.拔出备用MPU Remove the standby MPU
B.插上新增GSU Install the new GSU
C.修改GGSN配置数据 Modify GGSN configuration
D.修改CG配置数据 Modify CG configuration

[判断题]扩容xGW GGSN GSU，肯定与计费服务器没有关系，CG无需做修改。 GSU expansion on the xGW GGSN is not related to the CG server, so no modification needs to be made on the CG.
A.正确
B.错误

[判断题]扩容xGW GGSN GSU，肯定与计费服务器没有关系，CG无需做修改。
A.正确
B.错误

[单选题]xGW GGSN扩容前的准备工作不包括（）。 Before xGW GGSN expansion, which of the following items is not included in preparation work?
A.检查新增单板固件版本 Check the firmware version of the new board.
B.配置数据备份 Back up configuration data.
C.基本业务测试 Perform basic service test.
D.检查CG磁阵剩余空间大小 Check the size of remaining space size on the CG disk array.

[判断题]xGW GGSN扩容之前，建议拔出备用MPU，目的是扩容失败时可以迅速倒回。
A.正确
B.错误

[判断题]xGW GGSN扩容之前，建议拔出备用MPU，目的是扩容失败时可以迅速倒回。 Before expansion of the xGW GGSN, it is recommended to remove the standby MPU, so that we can roll back quickly if the expansion fails.
A.正确
B.错误

[判断题]xGW GGSN GSU单板的某个CPU发生硬件故障，需要更换备件，应先将该GSU板上所有CPU倒换为备用状态。 When a hardware fault occurs to the GSU board of the xGW GGSN and we need to replace the GSU board, we should first switch all CPUs on this GSU board to the standby state.
A.正确
B.错误

[判断题]xGW PDSN GSU单板的一个CPU可以支持10万用户数。
A.正确
B.错误

[判断题]xGW GGSN GSU单板正常运行时，RUN灯常亮，ALM灯熄灭。
A.正确
B.错误

[多选题]xGW GGSN单板倒换需要注意的事项有（）。 During switching of xGW GGSN boards, you need to pay attention to the following items: ( ).
A.禁止人工复位或插拔主用MPU或GSU单板 It is forbidden to manually reset or plug out the master MPU or GSU.
B.备用MPU上电后10分钟内禁止进行MPU主备倒换 Within 10 minutes after the slave MPU is powered on, it is forbidden to perform master/slave switchover of the MPU.
C.备用GSU单板或CPU上电后5分钟之内禁止进行该GSU单板或GSU CPU的主备倒换 Within 5 minutes after the slave GSU board or the MPU is powered on, it is forbidden to perform master/slave switchover of this GSU board or the GSU CPU.
D.禁止使用redundancy switch sc force命令强制倒换MPU单板 It is forbidden to switch over the MPU board by force by running the "redundancy switch sc force" command.

[判断题]xGW GGSN更换PFU单板时，原槽位只能插入相同型号的PFU单板，子卡也必须完全相同，否则可能造成配置数据丢失。 During replacement of the PFU board on the xGW GGSN, the original slot can only be installed with a PFU board of the same model with the same sub-card. Otherwise, the configuration data will be lost.
A.正确
B.错误