600-210 Exam Dumps | Through which two procedures does a direct tunnel session change to a two-tunnel session? (Choose two.)

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Through which two procedures does a direct tunnel session change to a two-tunnel session? (Choose two.)

A. successful UE-initiated PDP modification procedure

B. UE-initiated secondary PDP context activation

C. Iu-release request procedure initiated by RNC

D. periodic RAU procedure triggered by the UE

E. successful GGSN-initiated PDP modification procedure

F. GTPU-error indication by the RNC to the GGSN

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