The VoLTE terminal needs to establish a default bearer carrying the QCI1 service when registering in the EPC network.

• A.True
• B.False

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In which of the following process, MME use DNS parse function based on GUTI to select new MME? (Multiple Choice)

• A.Service Request
• B.Handover
• C.TAU
• D.Attach

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When the UE is powered on or enters the coverage area from the uncovered area, which of the following PLMNs is selected for registration?

• A.Last registered PLMN (RPLMN)
• B.EHPLMN
• C.HPLMN
• D.According to PLMN in the file "the User Controlled PLMN Selector with Access Technology" which saved in USIM card

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Which of the following scenarios will release the NAS signaling connection after the TAU is completed?

• A.TAU initiated under CONNECTED, Active flag=0
• B.TAU initiated in the IDLE state, Active flag=0
• C.TAU initiated under CONNECTED, Active flag=1
• D.TAU initiated in IDLE state, Active flag=1

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Which control signaling can the uplink PUCCH send back? (Multiple Choice)

• A.RI
• B.PMI
• C.CQI
• D.QoS

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