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  5. Nokia Mobile Gateways for the LTE Evolved Packet Core Questions and Answers
Note! The 4A0-M02 Exam is no longer available.

4A0-M02 Nokia Mobile Gateways for the LTE Evolved Packet Core Questions and Answers

Questions 4

During a UE detach procedure, which commands are exchanged over the gx interface?

Options:

A.

Delete Session Request / Delete Session Answer

B.

Credit Control Request Terminate/Credit Control Answer Terminate

C.

Release Session Request / Release Session Answer

D.

Credit Control Request Release / Credit Control Answer Release

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Questions 5

On an Nokia 7750 PGW, which of the following is the CLI context where you can specify the IP address and port number of a PCRF server?

Options:

A.

Under the Diameter profile context.

B.

Under the Diameter Peer profile context.

C.

Under the Gx interface context.

D.

Under the APN context.

E.

None of the above answers are correct.

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Questions 6

A HE (HTTP client) is communicating with an HTTP server over The EPC core Based on the information shown in the exhibit, what is the maximum HTTP traffic rate that the UE may have in the DL direction?

4A0-M02 Question 6

Options:

A.

10000 kbps

B.

15000 kbps

C.

20000 kbps

D.

30000 kbps

E.

55000 kbps

F.

None of the above answers are correct.

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Questions 7

Based on the information shown in the exhibit, which of the following is the PLMN ID?

4A0-M02 Question 7

Options:

A.

302

B.

720

C.

123456789

D.

9876543

E.

30201613

F.

302720

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Questions 8

Which of the following statements is FALSE regarding Key Performance Indicator/Key Capacity Indicator (KPI/KCI)?

Options:

A.

KPI /KCI counters are supported on both Nokia 7750 SGW and 7750 PGW.

B.

The cf:\mob-gw-stats directory contains the current records.

C.

The cf:\mob-gw directory contains all closed records.

D.

KPI/KCI counters are used to debug real-time issues on the mobile gateway.

E.

An XML file is created and stored in the CPM's flash card.

F.

None of the above statements are false.

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Questions 9

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?

4A0-M02 Question 9

Options:

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

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Questions 10

Assume that dynamic PCC rules are used on the PGW. When an AF server initiates the establishment of a dedicated bearer for a UE, which of the following messages are exchanged between the PCRF and the PCEF?

Options:

A.

The RAR/RAA messages

B.

The CSR/CSResp messages

C.

The CCR/CCA messages.

D.

The CSR/CSResp and the CCR/CCA messages

E.

The CSR/CSResp and the RAR/RAA messages.

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Questions 11

Which of the following messages are exchanged between the MME and the SGW during the UE attachment procedure? (Choose two)

Options:

A.

Create Session Request / Create Session Response

B.

Credit Control Request / Credit Control Answer

C.

Attach Request/Attach Accept

D.

Update Bearer Request / Update Bearer Response

E.

Modify Bearer Request / Modify Bearer Response

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Questions 12

Which of the following messages are exchanged between the PGW and the PCRF during the UE attachment procedure?

Options:

A.

Authorization Control Request/ Authorization Control Answer

B.

Credit Control Request / Credit Control Answer

C.

Create Session Request/ Create Session Answer

D.

Attach Request/Attach Answer

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Questions 13

On Nokia 7750 PGW, which of the following statements is FALSE regarding the debugging of a given IMSI?

Options:

A.

The output may be filtered per bearer.

B.

The APN value must be specified in the debug command.

C.

A log must be created to view the debug output.

D.

The output may be filtered per APN and per reference point.

E.

None of the above statements are false.

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Questions 14

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?

4A0-M02 Question 14

Options:

A.

BE

B.

EF

C.

AF21

D.

NC

E.

None of the above answers are correct.

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Questions 15

Which of the following statements is FALSE regarding the PGW?

Options:

A.

The PGW terminates the IP sessions from a UE.

B.

The PGW enforces PCC rules and QoS policies.

C.

The PGW may provide gating control for user traffic.

D.

A UE may be served by only one PGW.

E.

A UE may receive more than one IP address from the PGW.

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Questions 16

Which of the following statements is FALSE regarding the EPS bearers?

Options:

A.

An EPS bearer is either a GBR bearer or a Non-GBR bearer.

B.

An EPS bearer is either a default bearer or a dedicated bearer.

C.

A dedicated bearer can be a GBR or a Non-GBR bearer.

D.

A default bearer can be a GBR or a Non-GBR bearer.

E.

A UE can have multiple GBR or Non-GBR bearers.

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Questions 17

During an S1-based handover with MME relocation, which network entity requests the creation of an indirect data forwarding tunnel by sending a "Create Indirect Data Forwarding Tunnel Request" message to the SGW?

Options:

A.

The source MME.

B.

The target MME.

C.

The source eNodeB.

D.

The target eNodeB.

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Questions 18

On the Nokia 7750 PGW, which of the following CLI commands is used to check the contents of the SDF filters enforced on the PGW for a particular UE?

Options:

A.

Show mobile-gateway pdn pdn-context

B.

Show mobile-gateway pdn pdn-context imsi detail

C.

Show mobile-gateway pdn bearer-context

D.

Show mobile-gateway pdn bearer-context imsi detail

E.

Show mobile-gateway pdn ue-context

F.

Show mobile-gateway pdn ue-context imsi detail

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Questions 19

Based on the information shown in the exhibit, which procedure has been executed on the SGW?

4A0-M02 Question 19

Options:

A.

UE Triggered Service Request procedure

B.

Network Triggered Service Request procedure

C.

UE Initiated Dedicated Bearer Activation procedure

D.

Network Initiated Dedicated Bearer Activation procedure

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Questions 20

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?

Options:

A.

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

B.

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

C.

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

D.

A Radio Access Bearer between the UE and the SGSN.

E.

None of the above answers are correct.

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Questions 21

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 "Private1"? Assume everything else is in working condition.

4A0-M02 Question 21

Options:

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 "Private1".

D.

The "Create Session Request" cannot have an "APN Restriction" value of "Private1".

E.

None of the above answers are correct.

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Exam Code: 4A0-M02
Exam Name: Nokia Mobile Gateways for the LTE Evolved Packet Core
Last Update: Nov 27, 2023
Questions: 140
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