[多选题]在GGSN的Gn口上配置OSPF，一般需要发布哪些网段？（） Which of the following IP segments need to be distributed when you configure the OSPF for the Gn interface of GGSN?( )
A.GI口接口地址网段. IP segment of the Gi interface
B.IP pool网段 IP pool segment
C.GTP地址网段 GTP's IP address segment
D.GN口地址网段 IP segment of the Gn interface

[多选题]在GGSN的Gn口上配置OSPF，一般需要发布哪些网段？（） Which of the following IP segments need to be distributed when you configure the OSPF for the Gn interface of GGSN?( )
A.GI口接口地址网段. IP segment of the Gi interface
B.IP pool网段 IP pool segment
C.GTP地址网段 GTP's IP address segment
D.GN口地址网段 IP segment of the Gn interface

[多选题]在GGSN的Gi口上配置OSPF，一般需要发布哪些网段？（） Which of the following IP segments need to be distributed when you configure the ospf for the Gi interface of GGSN?( )
A.GI口接口地址网段. IP segment of the Gi interface
B.IP pool网段 IP pool segment
C.GTP地址网段 GTP's IP address segment
D.GN口地址网段 IP segment of the Gn interface

[多选题]V4 GGSN中，需要配置的逻辑接口包括（）。 On V4 GGSN, which logical interfaces need to be configured? ( )
A.Gn
B.Gb
C.Gi
D.Gy

[多选题]若GGSN的 Gn 口使用 OSPF，则Gn口 OSPF实例中需要宣告的网段包括（）。 If the Gn interface in GGSN uses OSPF, the following network segments should be announced in the OSPF instance of the Gn interface: ( ).
A.所有的Gn 物理子接口地址 IP addresses of all physical sub-interfaces on the Gn interface
B.GTPU>PC 地址网段 IP segment of GTU>PC
C.虚拟全局 GTPC 地址 Virtual global GTPC address
D.APN 的 IP 地址池网络 Network segment of the IP pool on the APN

[单选题]关于GGSN system-user的配置，下面说法不正确的是（）。 Which of the following statements is wrong about system-user configuration on the GGSN? ( )
A.需要配置了authentication-template。 The authentication-template needs to be configured.
B.不需要配置了authorization-template。 The authorization-template does not need to be configured.
C.需要配置了default-privilege-level。 The default-privilege-level needs to be configured.
D.需要配置了登录帐户。 The login account needs to be configured.

[单选题]关于GGSN的IP地址、路由配置，下面说法不正确的是（）。 Which of the following statements is wrong about IP address and route configurations on the GGSN? ( )
A.子接口的MAC偏移需要与父接口不能一样。 MAC offset of the sub-interface cannot be the same as that of the parent interface.
B.PFU对外物理接口端口模式需要和互联设备端口模式一致，速率、协商模式双方必须一样。 The port mode, rate, and negotiation mode should be completely the same between the external physical interface of the PFU and the interconnected device.
C.PFU物理端口配置必须有端口描述，便于数据核查和日常维护。 The physical port of the PFU must have the corresponding interface description, to facilitate data checking and daily maintenance.
D.根据组网规划指导要求，设备开局网络规划必须是双平面,不允许有单点故障，开局中要进行组网倒换测试。 According to requirements of networking planning, the network must be a dual-plane network, with no single-point fault. During office commissioning, we should carry out network switchover tests.

[单选题]关于GGSN的CPU配置，下面说法不正确的是（）。 Which of the following statements is incorrect about CPU configurations of the GGSN? ( )
A.CSU 单板CPU0作为SLB模块，CPU2作为CU模块。 CPUO of the CSU board is used as the SLB module and CPU2 is used as the CU module.
B.SLB单板两个CPU禁止配置成处理业务CPU组，只进行信令消息分担转发处理。 The two CPUs on the SLB board are forbidden to be configured as a service processing CPU group, and they only balance and forward signaling messages.
C.GSU和SLB单板的CPU配置1+1备份方式，CU无备份。 CPUs of the GSU board and the SLB board are configured in 1+1 backup mode, and the CU works in no backup mode.
D.GSU/CU组和SLB CPU组查询结果CPU的Appstatus为Master/Slave状态关系。 According to the GSU/CU group and SLB CPU group query results, the Appstatus of the CPU is master/slave.

[单选题]在GGSN的GI VRF OSPF进程中，ospf的最大路径值配置成（）。 In the GGSN Gi VRF OSPF process, the maximum path of OSPF should be set to ( ).
A.6
B.8
C.12
D.16

[单选题]以下关于配置 OSPF Stub 区域需要注意的事项中,描述正确的是哪一选项?
A.Stub 区域可以存在 ASBR
B.虚连接可以穿越 Stub 区域。
C.骨干区域可以配置成为 Stub 区域。
D.如果将一个区域配置成为 Stub 区域,则该区域中的所有路由器都要配置
Stub 区域属性。

[多选题]在一台路由器配置OSPF，必须手动进行的配置有（）
A.配置Router ID
B.开启OSPF 进程
C.创建OSPF 区域
D.指定每个区域中所包含的网段