Nokia 4A0-M02 Online Practice Questions and Exam Preparation

Nokia 4A0-M02 Online Questions & Answers

• Question 11:

  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.
  C. The SGW and the target eNodeB.

• Question 12:

  An Alcatel-Lucent SGW is only connected to an Alcatel-Lucent PGW. Based on the information shown in the exhibit, how many GTP-C tunnels are established between the SGW and the PGW?

  

  A. 1
  B. 2
  C. 3
  D. 4
  E. 6
  E. 6

• Question 13:

  Which of the following statements is TRUE regarding the IP connectivity between a UE and a PDN?

  A. A UE gets an IPv4 address and/or an IPv6 prefix per APN.
  B. A PGW forwards the UE's IP packets to the PDN based on the address of the PDN server.
  C. When a UE sends an IP packet to a PDN over the EPC core, the eNodeB forwards the encapsulated packet to the SGW by looking into its IP routing table to determine how to reach the PDN server.
  D. The SGW forwards the UE's IP packets to the PGW based on the address of the PDN server.
  E. Only answers C and D are correct.
  F. Only answers A and B are correct.
  F. Only answers A and B are correct.

• Question 14:

  Which of the following statements is FALSE regarding the SGW handling of an incoming GTP packet with a TEID value of zero?

  A. The ingress IOM card forwards the received packet to the active CPM card.
  B. After processing the received packet, the MG-ISM card creates a response and sends it to the active CPM card
  C. The CPM card forwards the packet to an active MG-ISM card.
  D. The MG-ISM card creates the proper contexts and assigns the required TED values.
  E. None of the above statements are false.
  B. After processing the received packet, the MG-ISM card creates a response and sends it to the active CPM card

• Question 15:

  Which of the following statements are FALSE regarding the SGW? (Choose two)

  A. The SGW is connected to the E-UTRAN via the S1-u interface.
  B. At a given time, a single SGW handles all the connections for a given UE.
  C. The SGW provides downlink data buffering and paging for an idle UE.
  D. The SGW can connect to only one PGW.
  E. The SGW acts as a common anchor point during handovers between LTE and Release 8 UMTS networks.
  F. The SGW may provide data plane connectivity between two eNodeBs.
  C. The SGW provides downlink data buffering and paging for an idle UE.
  D. The SGW can connect to only one PGW.

• Question 16:

  Based on the information shown in the exhibit, which of the following is TRUE when the PGW receives a "Create Session Request" with the "PDNTYPE" set to IPv4?

  

  A. The PGW tries to allocate an IP address from the subnet "5.5.0.0/16" and assigns it to the UE.
  B. The PGW tries to allocate an IP address from the subnet "3FFE::/48" and assigns it to the UE.
  C. The "Create Session Request" is rejected by the PGW.
  D. There is insufficient information to answer this question.
  C. The "Create Session Request" is rejected by the PGW.

• Question 17:

  On the Alcatel-Lucent 7750 PGW, which of the following CLI commands Is used to check the APN-AMBR enforced on the PGW for a particular UE?

  A. Show mobile-gateway pdn pdn-context
  B. Show mobile-gateway pdn pdn-context imsi detail
  C. Show mobile-gateway pdn bearer-context
  D. Show mobile-gateway pdn bearer-context imsi detail
  E. Show mobile-gateway pdn ue-context
  F. Show mobile-gateway pdn ue-context imsi detail
  B. Show mobile-gateway pdn pdn-context imsi detail

• Question 18:

  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
  B. Credit Control Request Terminate/Credit Control Answer Terminate

• Question 19:

  Which of the following statements is FALSE regarding the EPS bearers?

  A. An EPS bearer is either a GBR bearer or a Non-GBR bearer.
  B. An EPS bearer is either a default bearer or a dedicated bearer.
  C. A dedicated bearer can be a GBR or a Non-GBR bearer.
  D. A default bearer can be a GBR or a Non-GBR bearer.
  E. A UE can have multiple GBR or Non-GBR bearers.
  D. A default bearer can be a GBR or a Non-GBR bearer.

• Question 20:

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