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2021 Dec 4A0-M02 actual exam
Q41. Which of the following parameters best describes the rate-limiting associated with a Non-GBR bearer?
A. The GBR and the MBR
B. The APN-AMBR
C. The MBR
D. The UE-AMBR
E. The APN-AMBR and the UE-AMBR
Answer: E
Q42. Which of the following statements is FALSE regarding the Gx interface?
A. It is a Diameter-based interface between the PCRF and the PCEF.
B. The PCEF can act as a client or as a server for the Diameter connection depending on which application is running over the Gx interface.
C. The PCEF receives the QoS information for a bearer from the PCRF over the Gx interface.
D. It runs a vendor specific application identified by an application ID value of 16777238.
E. It is never used to transport user data packets.
Answer: B
Q43. Based on the information shown in the exhibit, how many mobile subscribers is the PGW currently serving?
A. 1
B. 2
C. 3
D. 5
E. 6
F. Unable to determine based on the provided information.
Answer: C
Q44. Which of the following messages are exchanged between the MME and the SGW during the UE attachment procedure? (Choose two)
A. Create Session Request / Create Session Response
B. Credit Control Request / Credit Control Answer
C. Attach Request/Attach Accept
D. Update Bearer Request / Update Bearer Response
E. Modify Bearer Request / Modify Bearer Response
Answer: A,E
Q45. Which of the following most accurately identifies a GTP tunnel on the Alcatel-Lucent 7750 MG by default?
A. ATEID
B. The System IP address
C. A UDP port number
D. ATEIDand the System IP address
E. ATEID, the System IP address and a UDP port number
Answer: E
Renew 4A0-M02 test question:
Q46. Based on the information shown in the exhibit, which of the following statements is FALSE?
A. Gx commands are not being exchanged with the PCRF peer.
B. EPS bearers can be successfully established to this PGW.
C. The TCP connection to the PCRF peer is not established.
D. Watchdog messages are not being exchanged with the PCRF peer.
E. None of the above statements are false.
Answer: E
Q47. Based on the information shown in the exhibit, what type of handover is performed when the UE moves from eNodeB2 to eNodeB4?
A. X2-based handover without SGW relocation
B. X2-based handover with SGW relocation
C. X2-based handover with MME relocation
D. S1-based handover with SGW relocation
E. S1-based handover with MME relocation
Answer: B
Q48. During a UE detach procedure, which commands are exchanged over the S5 interface?
A. Delete Session Request / Delete Session Response
B. Terminate Session Request/Terminate Session Response
C. Release Session Request / Release Session Response
D. Delete Bearer Request/Delete Bearer Response
Answer: A
Q49. Which of the following statements is TRUE when a UE is in the EMM_DEREGISTERED/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 is released 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 are released 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.
Answer: A
Q50. On Alcatel-Lucent 7750 PGW, which of the following CLI commands is used to verify the EPS procedures being performed on the mobile gateway?
A. Show mobile-gateway pdn call-flow-statistics
B. Show mobile gateway pdn call-flows
C. Show mobile-gateway pdn call-flow-stats
D. Show mobile-gateway pdn 1 call-flow-statistics
Answer: C