Nokia Nokia Certifications 4A0-M02 Questions & Answers

• Question 71:

  Which of the following statements is TRUE when the Alcatel-Lucent 7750 MG receives a GTP packet that has a valid TEID?

  A. The ingress IOM forwards the packet directly to the MG-ISM module for further processing.

  B. The ingress IOM drops the packet.

  C. The ingress IOM forwards the packet to the CPM for further processing.

  D. The Alcatel-Lucent 7750 MG forwards the packet to its IP destination by looking into the local IP routing table.

  E. None of the above answers are correct.

  Correct Answer: A

• Question 72:

  Based on the information shown in the exhibit, which of the following is the time interval used by the SGW to retransmit a GTP signaling message?

  

  A. 3 seconds

  B. 5 seconds

  C. 6 seconds

  D. 60 seconds

  E. 90 seconds

  Correct Answer: B

• Question 73:

  A PGW may use various methods to assign an IP address to a UE. Which of the following methods is supported on Alcatel-Lucent 7750 PGW? (Choose the best answer)

  A. local-pool

  B. hss-static

  C. Radius / Diameter server.

  D. PCRF server

  E. All of the above answers are correct

  F. Only answers A, B and C are correct

  Correct Answer: F

• Question 74:

  Which of the following is used to carry the GTP Path Management message "Echo Request"?

  A. TheGTPv1 protocol.

  B. The GTPv2 protocol.

  C. The TCP protocol.

  D. TheGTPv1 protocol or the GTPv2 protocol.

  E. None of the above answers are correct.

  Correct Answer: D

• Question 75:

  Which of the following are Diameter-based interfaces?

  A. The RF and the S10 interfaces.

  B. The RF and the Gx interfaces.

  C. The Rx and the S4 interfaces.

  D. The Rx and the SGi interfaces.

  E. The S9 and the S11 interfaces.

  Correct Answer: B

• Question 76:

  Based on the information shown in the exhibit, how many mobile subscribers is the PGW currently serving?

  

  A. 1

  B. 2

  C. 3

  D. 5

  E. 6

  F. Unable to determine based on the provided information.

  Correct Answer: C

• Question 77:

  Based on the information shown in the exhibit, when the SGW sends an uplink user IP packet to the PGW, which of the following is the GTP TEID value expected in the GTP packet header?

  

  A. 0xd05425

  B. 0x4f00805

  C. 0x21

  D. 0x4f00825

  E. None of the above answers are correct

  Correct Answer: A

• Question 78:

  In a 3G network, which of the following statements most accurately describes the user data plane between a UE and the GGSN when a direct tunnel is not used?

  A. A Radio Access Bearer between the UE and the NodeB, a GTP tunnel between the NodeB and the SGSN, and another GTP tunnel between the SGSN and the GGSN.

  B. A Radio Access Bearer between the UE and the SGSN and a GTP tunnel between the SGSN and the GGSN.

  C. A GTP tunnel between the UE and the GGSN.

  D. A Radio Access Bearer between the UE and the RNC, a GTP tunnel between the RNC and the SGSN, and another GTP tunnel between the SGSN and the GGSN.

  E. None of the above answers are correct.

  Correct Answer: B

• Question 79:

  Which of the following LTE interfaces are used for the communication of control messages? (Choose one best answer)

  A. The S1-MME interface and the S11 interface.

  B. The S5 interface.

  C. The Gx interface.

  D. The LTE-Uu interface and the Rx interface.

  E. All of the above answers are correct.

  F. Only answers A, B and C are correct.

  Correct Answer: E

• Question 80:

  The S1-MME is the interface used for the communication between the eNodeB and the MME. Which of the following transport protocols is used by this interface?

  A. The Transmission Control Protocol (TCP)

  B. The User Datagram Protocol (UDP)

  C. The TCP or the UDP

  D. The Stream Control Transmission Protocol (SCTP)

  E. None of the above answers are correct

  Correct Answer: D