Which of the following statements are FALSE regarding the SDF templates / filters? (Choose two)
A. One dedicated bearer can have more than one SDF template.
B. One SDF template can have only one SDF filter for each direction.
C. One dedicated bearer can have more than one SDF template and multiple SDF filters.
D. One dedicated bearer can have only one SDF template.
E. One SDF template can have multiple SDF filters for each direction.
Which of the following most accurately describes the QCI / ARP?
A. The QCI has 9 classes and the ARP has 15 levels.
B. A default QCI/ARP policy is predefined on the Alcatel-Lucent 7750 MG and cannot be modified.
C. Each EPS bearer is associated with one QCI value.
D. All of the above answers are correct.
E. Only answers A and B are correct.
On the Alcatel-Lucent 7750 PGW, which of the following CLI commands Is used to check the APN-AMBR enforced on the PGW for a particular UE?
A. Show mobile-gateway pdn pdn-context
B. Show mobile-gateway pdn pdn-context imsi
C. Show mobile-gateway pdn bearer-context
D. Show mobile-gateway pdn bearer-context imsi
E. Show mobile-gateway pdn ue-context
F. Show mobile-gateway pdn ue-context imsi
On Alcatel-Lucent 7750 PGW, which of the following CLI commands can be used to check the TEID-C values assigned to an S5 GTP-C tunnel for a particular UE?
A. Show mobile-gateway pdn pdn-context
B. Show mobile-gateway pdn pdn-context imsi
C. Show mobile-gateway pdn ue-context
D. Show mobile-gateway pdn ue-context imsi
E. Show mobile-gateway pdn bearer-context
F. Show mobile-gateway pdn bearer-context imsi
Which of the following statements is TRUE when a registered UE goes idle?
A. All UE resources are freed on the MME.
B. All UE resources are freed on the eNodeB.
C. All UE resources are freed on the SGW.
D. The UE triggers the S1 Release procedure
E. None of the above statements are true.
What is the purpose of indirect data tunnels established for a particular UE?
A. The indirect data tunnels are used during handovers to forward downlink data from the target eNodeB to the source eNodeB.
B. The indirect data tunnels are used during handovers to forward uplink data from the target eNodeB to the source eNodeB.
C. The indirect data tunnels are used during handovers to forward downlink data from the source eNodeB to the target eNodeB.
D. The indirect data tunnels are used during handovers to forward uplink data from the source eNodeB to the target eNodeB.
Which of the following statements is FALSE regarding the S1-U interface?
A. It is the user plane interface used to connect the E-UTRAN and the EPC core.
B. It relies on the GTP-C path to exchange the "Echo Request" / "Echo Response" messages between the eNodeB and the SGW.
C. It may be used to transport user data during the inter-eNodeB handover.
D. It uses the GTP-U protocol.
E. The UDP protocol is used as the transport protocol.
Which of the following statements is TRUE when a UE is in the EMM_REGISTERED/ECM_IDLE state?
A. There is no radio bearer between the UE and the eNodeB. The S1-MME, S1-U, and S5 connections are all released for the UE.
B. There is no radio bearer between the UE and the eNodeB. The S1-MME connection can no longer be used but the S1-U and S5 connections are still available for the UE.
C. There is no radio bearer between the UE and the eNodeB. The S1-MME and the S1-U connections can no longer be used but the S5 connection is still available for the UE.
D. There is no radio bearer between the UE and the eNodeB. The S1-MME, S1-U and S5 connections are still available for the UE.
E. None of the above answers are correct.
Which of the following statements is FALSE regarding the triggers of the Tracking Area Update (TAU) messages?
A. A TAU is sent when an active UE moves into a new TA that is not in the UE's current Tracking Area Identity (TAI) list.
B. A TAU is sent when a UE moves from the 2G/3G network back to the LTE network.
C. A TAU is sent when an idle UE moves into a new TA that is not in the UE's current TAI list.
D. A TAU is required to be sent periodically.
E. A TAU is never required as long as an idle UE stays in the same TA.
Which of the following statements is FALSE regarding the SGW?
A. A UE may be served by more than one SGW at a given time.
B. The SGW is connected to the E-UTRAN via the S1-u interface.
C. The SGW may provide data plane connectivity between two eNodeBs.
D. The SGW connects to the PGW via the S5/S8 interface.
E. The SGW acts as a common anchor point during handovers between LTE and Release 8 UMTS networks.
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