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Exam Alcatel-Lucent Mobile Gateways for the LTE Evolved Packet Core
Number 4A0-M02
File Name Alcatel-Lucent.PracticeTest.4A0-M02.2018-03-01.1e.79q.zip
Size 8.57 Mb
Posted March 05, 2018

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Demo Questions

Question 1

On the Alcatel-Lucent 7750 PGW, which of the following is the default setting of the APN "selection-mode"?


  • A: ms-provided-apn
  • B: network-provided-apn
  • C: subscribed-apn
  • D: virtual-apn
  • E: None of the above answers are correct
Question 2

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
Question 3

During the establishment of a default bearer, which of the following statements are TRUE regarding the TEID-U assigned by the eNodeB to the S1-U tunnel? (Choose two)


  • A: The eNodeB includes this TEID-U value in the Create Session Request message sent to the SGW over the S1 interface.
  • B: The eNodeB includes this TEID-U value in the Attach Request message sent to the MME over the S1-MME interface.
  • C: The MME includes this TEID-U value in the Create Session Request message sent to the SGW over the S11 interface.
  • D: The MME includes this TEID-U value in the Modify Bearer Request message sent to the SGW over the S11 interface.
  • E: The eNodeB includes this TEID-U value in the Attach Complete message sent to the MME over the S1-MME interface.
  • F: The eNodeB includes this TEID-U value in the Modify Bearer Request message sent to the SGW over the S1 interface.
Question 4

On Alcatel-Lucent 7750 PGW, which of the following CLI commands can be used to check the IP addresses assigned to a particular UE?


  • A: Show mobile-gateway pdn pdn-context
  • B: Show mobile-gateway serving pdn-context imsi <imsi-number> detail
  • C: Show mobile-gateway pdn ue-context
  • D: Show mobile-gateway pdn ue-context imsi <ims-_nnumber> detail
  • E: Show mobile-gateway pdn bearer-context
  • F: Show mobile-gateway pdn bearer-context imsi <imsi-number> detail
Question 5

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
Question 6

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.
Question 7

Based on the information shown in the exhibit, 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 0xd06c05? 

 


  • 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.
Question 8

Based on the information shown in the exhibit, which procedure has been executed on the SGW? 

 


  • A: UE Triggered Service Request procedure
  • B: Network Triggered Service Request procedure
  • C: UE Initiated Dedicated Bearer Activation procedure
  • D: Network Initiated Dedicated Bearer Activation procedure
Question 9

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
Question 10

Which entity decides when a handover procedure needs to be performed?


  • A: The UE.
  • B: The source eNodeB.
  • C: The target eNodeB.
  • D: The MME.
  • E: The SGW.



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