Which of the following statements is FALSE regarding the triggers of the Tracking Area Update (TAU) messages?

Question

Options

• AA TAU is sent when an active UE moves into a new TA that is not in the UE's current
• BA TAU is sent when a UE moves from the 2G/3G network back to the LTE network.
• CA TAU is sent when an idle UE moves into a new TA that is not in the UE's current TAI
• DA TAU is required to be sent periodically.
• EA TAU is never required as long as an idle UE stays in the same TA.

• A
  4% (1)
• B
  11% (3)
• C
  7% (2)
• E
  78% (21)

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