Alcatel-Lucent 4A0-M02 Actual Free Exam Questions & Community Discussion

Exam Code/Number: 4A0-M02
Exam Name/Title: Alcatel-Lucent Mobile Gateways for the LTE Evolved Packet Core
Certification Provider: Alcatel-Lucent
Corresponding Certification: MRP

Exam Questions: 140
Updated On: May 29, 2026

Question #25

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

A. The SGW and the target eNodeB.

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

C. The source eNodeB and the SGW.

D. The source eNodeB and the target eNodeB.

Discussion 0

Correct Answer: A Vote an answer

Question #26

Which of the following statements most accurately describes the Diameter protocol?

A. The Diameter is a peer-to-peer protocol that uses the TCP or SCTP as the transport protocol.

B. The Diameter protocol uses TCP and SCTP port number 3868.

C. A Diameter peer could act as a Diameter client or a Diameter server to its remote peer.

D. The Alcatel-Lucent 7750 PGW acts as a Diameter client to the PCRF server via the Gx interface.

E. All of the above answers are correct.

F. Only answers A and B are correct.

Discussion 0

Correct Answer: E Vote an answer

Question #27

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 bearer-context imsi <imsi-number> detail

C. Show mobile-gateway pdn ue-context

D. Show mobile-gateway pdn ue-context imsi <imsi-number> detail

E. Show mobile-gateway pdn bearer-context

F. Show mobile-gateway pdn pdn-context imsi <imsi-number> detail

Discussion 0

Correct Answer: F Vote an answer

Question #28

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

C. None of the above answers are correct.

D. The ingress IOM drops the packet.

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

Discussion 0

Correct Answer: A Vote an answer

Question #29

Which of the following statements is FALSE regarding the UE paging process?

A. The paging procedure is controlled by the MM

B. The SGW performs downlink data buffering while the S1 bearer is being established.

C. The SGW initiates the paging messages towards the UE.

D. The UE initiates the service request procedure once it receives the paging message.

E. The PGW is not aware of the paging process.

Discussion 0

Correct Answer: C Vote an answer

Question #30

Which of the following most accurately describes the QCI / ARP?

A. The QCI has 9 classes and the ARP has 15 levels.

B. Each EPS bearer is associated with one QCI value.

C. A default QCI/ARP policy is predefined on the Alcatel-Lucent 7750 MG and cannot be modified.

D. All of the above answers are correct.

E. Only answers A and B are correct.

Discussion 0

Correct Answer: D Vote an answer

Question #31

When a UE is roaming, which of the following interfaces is used when the visiting SGW needs to communicate with the UE's home PGW?

A. The S8 interface.

B. The S10 interface.

C. The S5 interface.

D. The SGi interface.

E. TheS1 interface.

Discussion 0

Correct Answer: A Vote an answer

Question #32

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

A. When a UE sends an IP packet to a PDN over the EPC core, the eNodeB forwards theencapsulatedpacket to the SGW by looking into its IP routing table to determine how to reach the PDN server.

B. A UE gets an IPv4 address and/or an IPv6 prefix per APN.

C. The SGW forwards the UE's IP packets to the PGW based on the address of the PDN server.

D. Only answers C and D are correct.

E. A PGW forwards the UE's IP packets to the PDN based on the address of the PDN server.

F. Only answers A and B are correct.

Discussion 0

Correct Answer: F Vote an answer

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