多选题以下有关IuFlex（“Intra-do main connection of RAN nodestomultipleCNnodes”）的正确的描述有（）A表示同一个域（CS/PS）内一个RAN节点可以和多个CN节点连接的组网方式B多个CN节点负荷分担RAN节点，提高CN节点的使用率和网络容灾能力C单个CN节点的服务区域扩大，减少跨CN节点切换的次数和漫游过程中CN节点更新的次数，从而减少核心网的信令流量D可以做为多运营商RAN共享的一种有效方式
多选题
以下有关IuFlex（“Intra-do main connection of RAN nodestomultipleCNnodes”）的正确的描述有（）
A
表示同一个域（CS/PS）内一个RAN节点可以和多个CN节点连接的组网方式
B
多个CN节点负荷分担RAN节点，提高CN节点的使用率和网络容灾能力
C
单个CN节点的服务区域扩大，减少跨CN节点切换的次数和漫游过程中CN节点更新的次数，从而减少核心网的信令流量
D
可以做为多运营商RAN共享的一种有效方式
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