Nokia Nokia Certifications 4A0-M02 Questions & Answers

• Question 101:

  During a UE detach procedure, which commands are exchanged over the gx interface?

  A. Delete Session Request / Delete Session Answer

  B. Credit Control Request Terminate/Credit Control Answer Terminate

  C. Release Session Request / Release Session Answer

  D. Credit Control Request Release / Credit Control Answer Release

  Correct Answer: B

• Question 102:

  Based on the information shown in the exhibit, what is the TEID value 0x37 used for?

  

  A. This TEID value is used by the source eNodeB when sending downlink data traffic to the target eNodeB.

  B. This TEID value is used by the target eNodeB when sending uplink data traffic to the SGW.

  C. This TEID value is used by the source eNodeB when sending downlink data traffic to the SGW.

  D. This TEID value is used by the SGW when sending downlink data traffic to the source eNodeB.

  E. This TEID value is used by the SGW when sending downlink data traffic to the target eNodeB.

  Correct Answer: E

• Question 103:

  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

  Correct Answer: B

• Question 104:

  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.

  Correct Answer: B

• Question 105:

  Which network entities assign TEIDs to the indirect data tunnel used during an S1-based handover with no SGW relocation?

  A. The source eNodeB and the SGW.

  B. The source eNodeB, the SGW, and the target eNodeB.

  C. The SGW and the target eNodeB.

  D. The source eNodeB and the target eNodeB.

  Correct Answer: C

• Question 106:

  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.

  Correct Answer: C

• Question 107:

  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.

  

  Correct Answer: B

• Question 108:

  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

  Correct Answer: B

• Question 109:

  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 detail

  C. Show mobile-gateway pdn ue-context

  D. Show mobile-gateway pdn ue-context imsi detail

  E. Show mobile-gateway pdn bearer-context

  F. Show mobile-gateway pdn bearer-context imsi detail

  Correct Answer: A

• Question 110:

  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

  Correct Answer: A