4A0-M02 Online Practice Questions and Answers

Which of the following statements is TRUE when the Alcatel-Lucent 7750 MG receives a GTP packet that has a zero 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.

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

A dedicated bearer 6 has a total of six SDF filters. Based on the information shown in the exhibit, which of the following is the right order to apply the filters to the downlink traffic?

A. The filters: 0 (first), 1, 2, 3, 4, 5 (last).

B. The filters: 2 (first), 3, 0, 1, 4, 5 (last).

C. The filters: 0 (first), 2, 4 (last).

D. The filters: 3 (first), 5, 1 (last).

E. The filters: 0 (first), 4, 2 (last).

F. The filters: 2 (first), 4, 0 (last).

Which of the following statements is FALSE regarding the EPC QoS parameters?

A. The Guaranteed Bit Rate (GBR) is the traffic rate expected to be provided by a GBR bearer.

B. The MBR is the maximum bit rate expected to be provided by a GBR bearer.

C. The PGW enforces the APN-AMBR in the DL direction.

D. The APN-AMBR limits the traffic rate on a per bearer basis.

E. The APN-AMBR in the UL direction is enforced in the UE and additionally in the PGW.

A UE is sending best-effort (BE) IP traffic to a PDN server over the EPC core. Based on the information shown in the exhibit, what is the DSCP value of traffic egressing the SGi interface of the PGW to the PDN server?

A. BE

B. EF

C. AF21

D. NC

E. None of the above answers are correct.

On Alcatel-Lucent 7750 PGW, which of the following CLI commands is used to verify the EPS procedures being performed on the mobile gateway?

A. Show mobile-gateway pdn call-flow-statistics

B. Show mobile gateway pdn call-flows

C. Show mobile-gateway pdn call-flow-stats

D. Show mobile-gateway pdn 1 call-flow-statistics

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.

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

Which of the following statements is TRUE when a UE is in the EMM_REGISTERED/ECM_IDLE state?

A. There is no radio bearer between the UE and the eNodeB. The S1-MME, S1-U, and S5 connections are all released for the UE.

B. There is no radio bearer between the UE and the eNodeB. The S1-MME connection can no longer be used but the S1-U and S5 connections are still available for the UE.

C. There is no radio bearer between the UE and the eNodeB. The S1-MME and the S1-U connections can no longer be used but the S5 connection is still available for the UE.

D. There is no radio bearer between the UE and the eNodeB. The S1-MME, S1-U and S5 connections are still available for the UE.

E. None of the above answers are correct.

Based on the information shown in the exhibit, when the SGW sends a "Create Session Request" message to the PGW, which of the following is the source IP address expected in the IP packet?

A. 10.10.2.1

B. 10.10.7.1

C. 20.20.0.1

D. 72.22.24.163

E. None of the above answers are correct