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2021 Dec 4A0-M02 exam cost

Q61. How many S11 GTP-C tunnels are established for a UE having: 

-

One default bearer to APN1, and 

-One dedicated bearer to APN1, and 

-One default bearer to APN2, and 

-Two dedicated bearers to APN2? 

A. One 

B. Two 

C. Three 

D. Four 

E. Five 

Answer: A 


Q62. Based on the information shown in the exhibit, which of the following is the MBR/GBR value for Bearer 6 in the DL direction? 

A. 15000/10000 kbps 

B. 30000/20000 kbps 

C. 45000/30000 kbps 

D. 60000/40000 kbps 

E. None of the above answers are correct. 

Answer: C 


Q63. 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. 

Answer: C 


Q64. Assume that dynamic PCC rules are used on the PGW. When the UE sends a request to establish a dedicated bearer, which of the following messages are exchanged between the PCRF and the PCEF? 

A. The RAR/RAA messages. 

B. The CSR/CSResp messages. 

C. The CCR/CCA messages. 

D. The CSR/CSResp and the CCR/CCA messages. 

E. The CSR/CSResp and the RAR/RAA messages 

Answer: C 


Q65. A UE needs to get an IP address before it can communicate to any PDN over the LTE network. Which of the following statements most accurately describes the process of the IP address allocation? 

A. A UE may obtain an IP address during the PDN connection setup. 

B. A PGW may assign the IP address from its local address pools. 

C. A PGW may obtain an IP address from a RADIUS server and assign it to the UE. 

D. A PGW may obtain an IP address from a DHCP server and assign it to the UE. 

E. All of the above answers are correct. 

Answer: E 


Most up-to-date 4A0-M02 exam answers:

Q66. Based on the information shown in the exhibit, and assuming this is the only bearer present, what is the action taken by the SGW when: 

-

The SGW receives a GTP packet over its S5 interface, and 

-

The TEID value in the GTP header is set to 0x802d25? 

A. 

The packet is forwarded to the eNodeB 

B. 

The packet is buffered. 

C. 

The packet is dropped. 

D. 

The packet is forwarded to the MME. 

Answer: C 

Explanation: 


Q67. On Alcatel-Lucent 7750 SGW, which of the following CLI commands can be used to check the connectivity to the GTP peer? 

A. oam gtp-ping s5c destination 10.10.7.2 port 2122 gateway 1 

B. oam gtp-ping s5c destination 10.10.7.2 port 2123 gateway 1 

C. oam gtp-ping s5u destination 10.10.7.2 port 2153 gateway 1 

D. oam gtp-ping s5u destination 10.10.7.2 port 2154 gateway 1 

E. Answers B and D are both correct. 

Answer: B 


Q68. On the Alcatel-Lucent 7750 SGW, which of the following is the CLI command to check the "UP / IDLE" state for the GTP path to a PGW? 

A. Show mobile-gateway serving ref-point-peers s5 

B. Show mobile-gateway serving ref-point-stats s5 

C. Show mobile-gateway serving ref-point-peers s1u 

D. Show mobile-gateway serving path-mgmt s5 

E. None of the above answers are correct. 

Answer: A 


Q69. Which of the following statements most accurately describes the Diameter protocol? 

A. The Diameter is a peer-to-peer protocol that uses the TCP or SCTP as the transport protocol. 

B. A Diameter peer could act as a Diameter client or a Diameter server to its remote peer. 

C. The Alcatel-Lucent 7750 PGW acts as a Diameter client to the PCRF server via the Gx interface. 

D. The Diameter protocol uses TCP and SCTP port number 3868. 

E. All of the above answers are correct. 

F. Only answers A and B are correct. 

Answer: E 


Q70. Which of the following statements are TRUE regarding the Predefined PCC rules? (Choose two) 

A. The Predefined PCC rules are preconfigured on the PCRF. 

B. The Predefined PCC rules are preconfigured on the PCEF. 

C. The Predefined PCC rules are preconfigured on the MME. 

D. The Predefined PCC rules areactivatedor deactivatedby the PCEF at any time. 

E. The Predefined PCC rules areactivatedor deactivatedby the PCRF at anytime. 

Answer: B,E