[单选题]ZXUN xAGCF容灾功能异常,需要检查节点相关信息,本端配置的容灾节点不包括()。
If the disaster-tolerance function on the ZXUN xAGCF does not work normally, we need to check node-related information. The disaster-tolerance nodes configured on the local end do not include: ( ). A.ICSCF B.SCSCF C.对端xAGCF节点
xAGCF node on the opposite end D.本端自环AGCF节点
Self-loop AGCF node on the local end