4A0-M02 Online Practice Questions and Answers

Which of the following statements is FALSE regarding the MG-ISM module on an Alcatel-Lucent 7750 MG?

A. The MG-ISM module implements the PCC rules for the EPS bearers.

B. The MG-ISM module can be configured as a SGW/SGSN or a PGW/GGSN.

C. The MG-ISM module enforces the QoS rules for the EPS bearers.

D. On an Alcatel-Lucent 7750 MG, two MG-ISM modules can be configured as 1+1 redundant.

E. The switchover from the active MG-ISM card to the standby MG-ISM card has no impact on other EPC nodes

Based on the information shown in the exhibit, which of the following is TRUE when the PGW receives a "Create Session Request" with the "APN Restriction" set to "Private2"? Assume everything else is in working condition.

A. The "Create Session Request" is rejected by the PGW and no bearer is created.

B. The "Create Session Request" is accepted by the PGW and the bearer is created successfully.

C. The APN cannot be configured with an "APN Restriction" value of "any".

D. The "Create Session Request" cannot have an "APN Restriction" value of "Private2.

E. None of the above answers are correct.

Which of the following statements are TRUE regarding the Predefined PCC rules? (Choose two) A. The Predefined PCC rules are preconfigured on the PCRF.

B. The Predefined PCC rules are preconfigured on the PCEF.

C. The Predefined PCC rules are preconfigured on the MME.

D. The Predefined PCC rules are activated or deactivated by the PCEF at any time.

E. The Predefined PCC rules are activated or deactivated by the PCRF at anytime.

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.

Which of the following statements is FALSE regarding the communication between a UE and an eNodeB?

A. The eNodeB terminates the air interface of the UE and manages the radio connection between the UE and the eNodeB.

B. The eNodeB transmits the paging messages to an idle UE when the paging is required.

C. During an IMSI attach, the UE informs the eNodeB which MME should be used to service it.

D. The eNodeB performs the compression and encryption of the user data stream.

E. A UE must go through an eNodeB to access the EPC core.

Which of the following statements is TRUE when a registered UE goes idle?

A. All UE resources are freed on the MME.

B. All UE resources are freed on the eNodeB.

C. All UE resources are freed on the SGW.

D. The UE triggers the S1 Release procedure

E. None of the above statements are true.

Which of the following statements are FALSE regarding the SDF templates / filters? (Choose two)

A. One dedicated bearer can have more than one SDF template.

B. One SDF template can have only one SDF filter for each direction.

C. One dedicated bearer can have more than one SDF template and multiple SDF filters.

D. One dedicated bearer can have only one SDF template.

E. One SDF template can have multiple SDF filters for each direction.

On an Alcatel-Lucent 7750 PGW, which of the following is a mandatory step required to set up a Diameter connection to a PCRF server?

A. Create a Diameter profile.

B. Create a Diameter Peer profile.

C. Assign the Diameter profile to the Diameter Peer profile

D. Assign the Diameter Peer profile to the Gx interface.

E. All of the above answers are required.

F. Only answers B and D are required.

During the UE attachment procedure, which of the following statements are TRUE regarding the Request message sent from the SGW to the PGW? (Choose two)

A. The Request message includes the TEID-C value assigned by the PGW.

B. The Request message includes the TEID-C value assigned by the SGW.

C. The Request message includes the TEID-U value assigned by the SGW.

D. The Request message includes both the TEID-C value assigned by the SGW and the TEID-C value assigned by the PGW.

E. The Request message includes both the TEID-U value assigned by the SGW and the TEID-U value assigned by the PGW.

F. The Request message includes both the TEID-U value assigned by the SGW and the TEID-C value assigned by the PGW.

On the Alcatel-Lucent 7750 PGW, which of the following is the CLI command to check the statistics of the "Create Session Request" / "Create Session Response" messages?

A. Show mobile-gateway pdn ref-point-peers gx

B. Show mobile-gateway pdn ref-point-peers s5

C. Show mobile-gateway pdn ref-point-stats ga

D. Show mobile-gateway pdn ref-point-stats s5

E. None of the above answers are correct.