Which of the following statements is true regarding SGSN when serving a 2G network?
A.
RNC are tasked to the SGSN in the 2G environment.
B.
The SGSN communicates with RNC when serving a 2G network.
C.
In the 2G environment, the SGSN must connect to the BSS via a “physical” circuit.
D.
Less is required of the SGSN when it is serving a 2G network.
E.
None of the management tasks that are handled in the 3G environment by the
Explanation: