Question No. 1

Which of the following statements is FALSE regarding the eNodeB?

AThe eNodeBs maybe interconnect TEID with each other via anX2 interface.

BThe eNodeB is an element of the EPC core.

CThe eNodeBs are connected to the EPC core via the S1 interface.

DDuring an IMSI attach, the eNodeB selects an MME to service the UE.

EThe eNodeB performs the compression and encryption of the user data stream.

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Correct Answer: B

Question No. 2

Which of the following statements most accurately describes the MME?

AThe MME selects the SGW and the PGW for a given UE.

BThe MME is responsible for the bearer management.

CThe MME communicates with both the E-UTRAN and the EPC via GTP-C tunnels.

DThe MME performs the user authentication and authorization using the information provided by the HSS

EAll of the above answers are correct.

FOnly answers A, B and D are correct.

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Correct Answer: F

Question No. 3

A UE needs to get an IP address before it can communicate to any PDN over the LTE network. Which of the following statements are FALSE regarding the process of the IP address allocation? (Choose two)

AA PGW may obtain an IP address from a RADIUS server and assign it to the UE.

BA PGW may assign the IP address from its local address pools.

CAn SGW may obtain a static IP address from the HSS server and assign it to the UE.

DAn SGW may obtain an IP address from a RADIUS server and assign it to the UE.

EA PGW may obtain an IP address from a DHCP server and assign it to the UE.

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Correct Answer: C, D

Question No. 4

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

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

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

CWhen 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.

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

EOnly answers C and D are correct.

FOnly answers A and B are correct.

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Correct Answer: F

Question No. 5

In a 3G network, which of the following is used to build a PDP context between a UE and the GGSN when a direct tunnel is not used?

AAn end-to-end GTP tunnel between the UE and the GGSN.

BA Radio Access Bearer between the UE and the NodeB and a GTP tunnel between the NodeB and the GGSN.

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

DA Radio Access Bearer between the UE and the SGSN.

ENone of the above answers are correct.

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Correct Answer: C

Free Nokia 4A0-M02 Exam Actual Questions

The questions for 4A0-M02 were last updated On May 1, 2024