Which node is configured with a Network Mode of Operation value of 1 to be able to support combined attach and routing area update procedures?
A. RNC
B. GGSN
C. S4-SGSN
D. SIM
E. HLR
Which node is configured with a Network Mode of Operation value of 1 to be able to support combined attach and routing area update procedures?
A. RNC
B. GGSN
C. S4-SGSN
D. SIM
E. HLR