A. Core network may be EPC or next-generation core
B. eNB has both control plane and data plane connections to the core
C. There is an X2 interface between eNB and gNB
D. There is a data plane interface between eNB and EPC
A. One of the radio nodes serving the UE is the anchor point for control plane.
B. It requires a direct interface between the two radio nodes serving the UE.
C. Only one serving radio node can receive data plane traffic from the core network.
D. One serving radio node acts as master node and the other as secondary node.
A. Egress user plane traffic is sent directly from MG-VM to an external gateway
B. Ingress control plane traffic is received directly from an external gateway to OAM-VM
C. Ingress user plane traffic is received directly from an external gateway to LB-VM
D. Egress control plane traffic is sent directly from MG-VM to an external gateway
A. A data switch fabric for carrying 3G data plane traffic between IPDS and IPPS.
B. An OAM network for CMM management
C. An external network for communication with external entities.
D. An internal network for inter-VM communication
A. S1-U
B. S5
C. Gn
D. SGi
A. The transaction layer processes 3G user plane.
B. The load balancer layer terminates external logical interfaces.
C. The CMM VNF consists of multiple virtual machines that run on top of a cloud infrastructure.
D. The CMM VNF follows a multi-tier architecture where each tier can scale independently.
