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Which two Transport protocols can be used for the S6a interface? (Choose two.)
Which statement describes what occurs during an inter-MME tracking area update procedure?
A. The old MME does the integrity check of the context request by using the old GUTI in the context request message.
B. The SGW change indication is conveyed to the old MME in the context ack message.
C. The SGW change indication is conveyed to the old MME in the context request message.
D. The old MME does the integrity check of the context request by using the PTMSI signature in the context request message.
A. MNC 002 MCC 262
B. MNC 020 MCC 262
C. MNC 012 MCC 262
D. MNC 120 MCC 622
Which two APN names are recommended by GSMA IR.88 / IR.92 in the Voice over LTE solution? (Choose two.)
Which option describes how PCRF knows the amount of QoS that is needed for a Voice over LTE call?
A. PCRF obtains the bandwidth information over the Sy interface.
B. PCRF obtains the bandwidth information over the Rx interface from P-CSCF.
C. PCRF obtains bandwidth information from the TAS.
D. PCRF has the all the bandwidth information always hard-coded in its configuration.