Download Nokia Mobile Gateways for the LTE Evolved Packet Core.4A0-M02.PracticeTest.2018-03-01.79q.vcex

Vendor: Nokia
Exam Code: 4A0-M02
Exam Name: Nokia Mobile Gateways for the LTE Evolved Packet Core
Date: Mar 01, 2018
File Size: 5 MB
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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"?
  1. ms-provided-apn
  2. network-provided-apn
  3. subscribed-apn
  4. virtual-apn
  5. None of the above answers are correct
Correct answer: C
Question 2
Which of the following messages are exchanged between the MME and the SGW during the UE attachment procedure? (Choose two)
  1. Create Session Request / Create Session Response
  2. Credit Control Request / Credit Control Answer
  3. Attach Request/Attach Accept
  4. Update Bearer Request / Update Bearer Response
  5. Modify Bearer Request / Modify Bearer Response
Correct answer: AE
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)
  1. The eNodeB includes this TEID-U value in the Create Session Request message sent to the SGW over the S1 interface.
  2. The eNodeB includes this TEID-U value in the Attach Request message sent to the MME over the S1-MME interface.
  3. The MME includes this TEID-U value in the Create Session Request message sent to the SGW over the S11 interface.
  4. The MME includes this TEID-U value in the Modify Bearer Request message sent to the SGW over the S11 interface.
  5. The eNodeB includes this TEID-U value in the Attach Complete message sent to the MME over the S1-MME interface.
  6. The eNodeB includes this TEID-U value in the Modify Bearer Request message sent to the SGW over the S1 interface.
Correct answer: DE
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?
  1. Show mobile-gateway pdn pdn-context
  2. Show mobile-gateway serving pdn-context imsi <imsi-number> detail
  3. Show mobile-gateway pdn ue-context
  4. Show mobile-gateway pdn ue-context imsi <ims-_nnumber> detail
  5. Show mobile-gateway pdn bearer-context
  6. Show mobile-gateway pdn bearer-context imsi <imsi-number> detail
Correct answer: A
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?
  1. One
  2. Two
  3. Three
  4. Four
  5. Five
Correct answer: A
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?
  1. The packet is forwarded to the eNodeB
  2. The packet is buffered.
  3. The packet is dropped.
  4. The packet is forwarded to the MME.
Correct answer: C
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? 
 
  1. The packet is forwarded to the eNodeB.
  2. The packet is buffered.
  3. The packet is dropped.
  4. The packet is forwarded to the MME.
Correct answer: B
Question 8
Based on the information shown in the exhibit, which procedure has been executed on the SGW? 
 
  1. UE Triggered Service Request procedure
  2. Network Triggered Service Request procedure
  3. UE Initiated Dedicated Bearer Activation procedure
  4. Network Initiated Dedicated Bearer Activation procedure
Correct answer: B
Question 9
Based on the information shown in the exhibit, what type of handover is performed when the UE moves from eNodeB2 to eNodeB4?  
 
  1. X2-based handover without SGW relocation
  2. X2-based handover with SGW relocation
  3. X2-based handover with MME relocation
  4. S1-based handover with SGW relocation
  5. S1-based handover with MME relocation
Correct answer: B
Question 10
Which entity decides when a handover procedure needs to be performed?
  1. The UE.
  2. The source eNodeB.
  3. The target eNodeB.
  4. The MME.
  5. The SGW.
Correct answer: B
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