In which three ways can a GTPv2 tunnel in each node of the UMTS/LTE network be identified? (Choose three.)
In which two ways does SGSN detect and know when GGSN has restarted? (Choose two.)
Which two services require a status check on the Cisco ASR 5000 if no Context Request Message is sent from SGSN to MME over the S3 interface? (Choose two.)
In which two scenarios is a create bearer request sent from the SGW to the SGSN on the S4 interface? (Choose two.)
Which option describes how a PDN connection context is identified at the PGW?
Which organization developed and maintains the Universal Mobile Telecommunications System?